Renewable energy Meriliin Lend Estonian University of Life Sciences Tartu 2013 Topics Renewable energy Solar energy Wind energy Hydroelectric power Geothermal energy Biomass energy Renewable energy Renewable energy comes from sources that naturally renew, or will not run out in our lifetimes. Includes sunlight, wind, water, geothermal heat and various forms of biomass. Renewable energy cannot be exhausted and is constantly renewed. Does not harm the environment. Saves money. Solar energy Solar energy is the technology used to harness the sun's energy and make it useable. Every hour the sun beams onto Earth more than enough energy to satisfy global energy needs for an entire year. Solar energy use has surged at about 20 percent a year over the past 15 years, thanks to rapidly falling prices and gains in efficiency. Solar energy is inexhaustible. Noise free. Does not harm the environmen...
Name at least 3 renewable energy sources. What consequence might there be if we use non-renewable energy too much? Which energy technology is the world's fastest growing? With what name is renewable energy also known as? Light Heat Electricity Generated from natural resources. Doesn't harm the environment. Can't be replenished Most of our energy. May cause global warming. Wind energy is the fastest growing. Most renewable energy comes from the sun. Hydroelectric energy is the oldest and largest source. Renewable energy a.k.a "green" energy. Thank you for listening! We use energy every day. It surrounds us in different forms, such as light, heat, and electricity. Our bodies use the energy stored in molecules of substances like carbohydrates and protein to move, breathe, grow, and think. We also use energy to do work and to play. Humans have invented thousa...
Environment and renewable energy 1. How can we help bring about a change in behavior? * Renewable energy is the sun and the water that people use, but not yet so widely. Required on all homes, various stations, hypermarkets solar panels to use the potential energy, the stock of which is not completed within 5 billion years. * Renewable sources such as wind and solar are intrinsically unsuited to meeting the demand for continuous, reliable supply on a large scale – which comprises most demand in developed countries. The criteria for any acceptable energy supply will continue to be cost, safety, and security of supply, as well as environmental considerations. 2. How can we encourage sustainable development? * To encourage you in the following way. To allocate money for the construction of such stations to States that are unable to pay for expensive power plants. Permanent sponsorshi...
Natural resources-our treasure Natural resources are land or raw materials like minerals, fluids, gases, organic matters and also woods, groundwater, animals and so on, in other words it's everything that human hasn't created. These resources are also used in industry. We get natural resources from the environment. Many of them are essential for our survival while others are used for satisfying our wants. Renewable resources: Some natural resources can be reproduced within a few years or decades. These are called renewable resources. Solar radiation, wind and hydroelectricity, are perpetual resources that are in no danger of a lack of long-term availability. Some natural renewable resources such as geothermal power, fresh water, timber, and biomass must be carefully managed to avoid exceeding the worlds capability to displace them. Solar energy is the energy derived directly from the Sun...
ELEKTROENERGEETIKA INSTITUUT Referaat Taastvad Energiaallikad Esitamise tähtaeg 14.04.2009 Õppejõud: Hannes Agabus Tudeng: Sergei Belosapko Nikita Naumov Tallinn 2009 Contents: 1. Renewable energy 1.1. Costs................................................................................................................... 2 1.2. Potential future utilization..............................................................................4 1.3. Why Don't We Use More Renewable Energy? ...........................................5 2. Energy Types 2.1. Wind Energy.......................................................................................................6 2.1.1. Annual Generation........................................................................................7 2.1.2. ...
Green Energy Program paid for and brought to by -Anja Bananja -Franz the Manz - And Just Chadrick Overview- What is Green Energy? Different Types? What is sustainability? German Green Energy Cost and Efficiency Recycling What is Green Energy? -It is energy resources that are renewable -Can be naturally replenished -Clean, Safe and not harmful to the environment (aka mother earth) Types of Green Energy Green Energy going cute Solar Power · Is produced by using photovoltaic cells, which capture sunlight and turns that into energy. Problems ? -The sun has got to shine -The cost of solar panels and the systems range between $20k-40k -The light from the sun produces a very small amount of energy Wind Power -These giant pinwheels spin from strong winds which spins ...
Hello My name is JOHN SMITH and I am here to talk about Hydroelectricity. Global energy use has risen by 70% since 1971 and continues to increase at the rate of 2% per year. There are many scenarios for future demand. One solution would be to use more hydropower. In 2005, renewable energy represented one-fifth of total power generation. Hydropower is the most advanced of the renewable and represents 87% of this production. 160 countries all over the world are using hydropower. Five countries make up more than half of the world's hydropower production. Those countries are: Brazil,Canada, China, Russia and the USA. (Production) *Most of the energy comes from the potential energy of dammed water driving a water turbine and generator. In this case the energy extracted from the water depends on the volume and on the difference in height between the source and the water's outflow. *Pumped storage hydroelectricity produces electricity to supp...
Environmental problems today Nowadays we need to stand face to face against the environmental problems in spite of our everyday routine, that may affect the nature. Which are the most problematic environmental problems and how can we avoid them ? To start with, the biggest problem is global warming. The temperature is rising due to air pollution, which is caused by smoke from factories and of rising levels of CO2 . As a result, smog and soot causes health problems. Also, a big problem is deforestation. Due to the fact that it is causing destruction of the rainforest, it contaminates the water. To solve these problems, we certainly should use renewable sources of energy and we need to avoid dangerous gases. For example, we should switch off lights every time when we leave a room. Moreover, we should take public transport more often and stop using CFC's. We can solve environmental problems only if we follow certain rules. that it i...
Sustainable city planning Sandra Erik 11L What is sustainable city planning? • A sustainable city, or also know as eco-city, is a city designed with consideration of environmental impact, inhabited by people dedicated to minimization of required inputs of energy, water and food, and waste output of heat, air pollution - CO2, methane, and water pollution. • It should meet the needs A sustainable city should be able to... • feed itself with minimal reliance on the surrounding countryside, and power itself with renewable sources of energy. • create the smallest possible ecological footprint • produce the lowest quantity of pollution possible • efficiently use land • compost used materials - Practical Achievement • Different agricultural systems - agricultural plots within the city – reduces distance. • Renewable energy sources - wind turbines, solar panels,...
Water creates energy Eduard Kamenski 11a form The world uses energy from many different sources, such as: hydroelectric power, nuclear power plants, solar energy, and wind generated power. There are positive and negative aspects of each source, but which source of energy is best? My opinion is that the best source of energy is water and I'll bring up some facts why do I think so. Hydroelectric power is currently the world's largest renewable source of electricity. It accounts for six percent of the worldwide energy supply or about fifteen percent of the world's electricity. Water has been found to be a major source of energy. Water power is utilized at present mainly as hydro-electricity. It is produced from moving water and from falls with the help of turbines and dynamos. Hydro-electricity has acquired great significance as a source of energy in the country in the present times and is being put to different uses. The following are the...
Manual For Biofuels Koostas: Margus Mäe Introduction This book told me a lot of practical uses of solid biofuels and peat compustion technologies in estonia and baltic sea countries. The hole technological chain from production to flue gas cleaning is brought to reader ´s. Also the energy policy and reguierment for users is shown. Properties of boifuels and peat In the boiler plants of Baltic Sea countries a wide range of various woodbased fuels are burned. To some extent also straw and other biomass based fuels are used. All these fuels are considered as renewables and according to the international agreement the CO2 emitted by the combustion of these fuels is not listed as a greenhouse gas. Wood, in particular the shell of wood cells, consists mainly from cellulose, lignin and hemicellulose. Due to the high carbon and hydrogen content, the lignin has higher calorific value than cellu...
SISUKORD ENERGY STORY................................................................................................................4 USES OF ENERGY............................................................................................................. 4 2.1 Uses of energy in homes...............................................................................................5 2.2 Types of energy used in homes.................................................................................... 6 2.3 Energy use in different types of homes........................................................................ 6 2.4 Commercial Energy Use...............................................................................................9 2.5 Industrial and Manufacturing Energy Use..................................................................11 2.6 Transportation Energy Use.................................................
EESTLASTE SUHTUMINE TAASTUVENERGIASSE Uurimistöö Koostaja: Klass: Juhendaja: 2009 Sisukord Sissejuhatus..........................................................................................................................................3 1. Taastuvenergia..................................................................................................................................5 1.1 Päike...........................................................................................................................................5 1.1.1 Päikeseenergia eelised:.......................................................................................................5 1.1.2 Passiivne päikeseenergia......................................................................................
Overpopulation Tuuli Tomingas TK18 What is overpopulation? When some kind of area has too many people or... When human population is too big and social or natural structure can not fulfill the needs. The most problematic areas Africa Asia South-America Global problems Air pollution Garbage Destruction of rainforests Non-renewable resorces Community problems Bad food and water quality or at all their lack of. Air pollution causes respiratory diseases. Garbage problem. Waste management is not organized. Many poor people. A lot of Unemployed Outbreaks and bad availability of medical care. Poor quality of education or no access to it at all. Not enough space of living Solutions Actually there is no complete solution. Theoretically education would help. Developed countries have negative population growth but ...
Hydroelectricity Sander Vidder Kristo London Hydroelectricity Hydroelectricity is the term referring to electricity generated by hydropower; the production of electrical power through the use of the gravitational force of falling or flowing water. It is the most widely used form of renewable energy. History Hydropower has been used since ancient times to grind flour and perform other tasks. In the mid1770s, French engineer Bernard Forest de Bélidor published Architecture Hydraulique which described vertical and horizontalaxis hydraulic machines. Hydroelectric Dam Generating methods Conventional (dams) Pumpedstorage Runoftheriver Underground Advantages Economics CO2 emissions Other uses of the reservoir Disadvantages Ecosystem damage and loss of land Siltation Relocation Failure hazard Estonia hydroelectricity´s Kamari hüdroelektrijaam Tudulinna hüdroelektrijaam Linnamäe hüdroelektrijaam Largest The Three Gorges Dam is th...
FOREST BIOENERGY Outline Introduction: wood as a fuel Main body: diferent wood made energy products Conclusin: summarising the usage References Introduction • Fossil fuels: dominant source of energy. • Biomass accounts about 10% energy supply • Wood- based fuels from fast- growing species. • Forest biomass: reneweable energy • Forest biomass, mainly used in the Nordic countries. Wood based fuels sources •Energy forest •Forest biomass •Recycled wood Wood Biomass • Biologicalmaterial derived from living, or recently living organisms. • Can be used after converting it to various forms of biofuel. • Woodchips • Pellets Bioenergy • Energy produced from biomass. • Electricity, heat, and transportation fuels. • Eesti Energia and bioenergy. Benefits of Biomass • Environmental Benefits • Economic Benefits • Energy Benefits Biofuels • Solid fuels Pellets, briquettes • Liquid fuels Ethanol Bio-d...
SOLAR ENERGY Karol Pakkas What is solar power? Solar power is energy that comes from the sun. The sunlight gives off energy as heat. Solar power is a renewable source of energy. How does solar power work? Solar panels are used to collect sunlight. Solar panels are made up of photovoltaic cells that convert the sunlight into energy. Why do we need it? How does it lead to better health? Solar power is source of clean energy. It does not produce pollution or greenhouse gases or carbon compounds. Solar power would be a lot safer for the environment and a lot better for the health of people. What would happen if we don't use solar power? If we don't start using solar power, we would use oil and coal. They produce pollution and will cause millions of people to suffer from respiratory related problems. The oil and coal will run out and peopl...
SOLAR ENERGY Karol Pakkas What is solar power? Solar power is energy that comes from the sun. The sunlight gives off energy as heat. Solar power is a renewable source of energy. How does solar power work? Solar panels are used to collect sunlight. Solar panels are made up of photovoltaic cells that convert the sunlight into energy. Why do we need it? How does it lead to better health? Solar power is source of clean energy. It does not produce pollution or greenhouse gases or carbon compounds. Solar power would be a lot safer for the environment and a lot better for the health of people. What would happen if we don't use solar power? If we don't start using solar power, we would use oil and coal. They produce pollution and will cause millions of people to suffer from respiratory related problems. The oil and coal will run out and peopl...
GLOBAL WARMING Global warming is the observed century-scale rise in the average temperature of Earth's climate system. Since 1971, 90% of the increased energy has been stored in the oceans, mostly in the 0 to 700m region. Despite the oceans' dominant role in energy storage, the term "global warming" is also used to refer to increases in average temperature of the air and sea at Earth's surface. Since the early 20th century, the global air and sea surface temperature has increased about 0.8 °C (1.4 °F), with about two-thirds of the increase occurring since 1980.Each of the last three decades has been successively warmer at the Earth's surface than any preceding decade since 1850. More than 90% certain that most of global warming was being caused by increasing concentrations of greenhouse gases produced by human activities.In 2010 that finding was recognized by the national science academies of all majo...
Sustainable forest management Author: nimi Book by: Klaus von Gadow, Timo Pukkala, Margarida Tomé Sustainable forest management Topics · Scope of sustainability · Scope of development · A new perspective at sustainability Scope of sustainability · If we extinct some biological species, we can't recreate it. · If we substitute some spicies, what will be the consequenses. Author: Xvazquez Scope of sustainability · Renewable resources Source: Thegreatergreen (2011) Scope of history · Trees carry information from centuries. By: Jaymi Heimbuch Scope of developmement · GMO genetically modified organism Author: John Gress A new perspective at sustainability · We have found law-like behaviours in ecosystems From: www.galapagosholidays....
Wind power is very old power source, sailing ships have been using wind power for at least 5,500 years. The first practical windmills were built in Afghanistan, from the 7th century to grind corn and draw up water. The first windmill for electricity production was built in Scotland in 1887 to power the lighting in the cottage, thus making it the first house in the world to have its electricity supplied by wind power. During the Second World War, small wind generators were to recharge submarine batteries. In the 1990s, wind power became more important, because fossil fuels pollute the atmosphere and humanity needed alternative fuels. That's because wind power is so necessary. Wind power is also renewable energy and it doesn't cause greenhouse gases. Building windmills is actually quite expensive and they need repairing or replacing about every 12-15 years. And strong winds can also break the wind turbines. Considering these thin...
We live in a constantly changing world There seems to be no stability or certanity about anything. Nations rise and fall, governments come to power and tumble, armies march and retreat, healthy people become sick and on and on the world goes. On the one hand the world we are living in is amazing, because science, medicine, technology, and so on are advancing at an ever-increasing pace. It has made our lives much easier than it was 100 years ago. For example we have phones, television, fast cars, eco towns, highrise buildings and so on. But on the other hand the world can also be frightful. People are starving, and do not have water to drink nor wash themselves. But somewhere someone has unlimited food and water and never thinks about those people who are in need. Due to the over consumption of water, gas, wood et cetera, we might be in a lack of mineral resources in the future. And if they run out, we need to find an alternative vari...
The republic of Ireland Class 10 Road signs New signs are in kilometric scale , but some old signs are still in mile scale There are multilangual signs Forests Ireland has only about 8 % of his whole land covered with forests. Centuries ago people destroyed the forests Now there is mostly peat. Economy 25 % of europe computers come from ireland Ireland had a big economic boom in late 20'th century but now its back on top Ireland has the second highest per capita income of any country in the EU next to Luxembourg Construction plays big part in Irish economy The weather Irish think there is 4 kinds of weather Typical Irish weather is few minutes rain , few minutes sun then again rain and so on Energy About 98% of Ireland's final energy is produced by burning coal, petroleum, peat, or natural gas Ireland has lately ...
jätkusuutlikkus sustainability vahetuv ümbruskond immediate surroundings põhi mugavused - basic amenities piirama confines biosfäär biosphere hoidma sustain ülekaalus olev prevailing haritav arable vesi/vee - aquatic tarbimine consumption ühendama incorporates jäätme käitlus waste assimilation tööriist tool ökosüsteem ecosystem rikkuma exceed taastada regenerate säilitama maintain liialdama overshoot alahindama underestimate piisavalt adequately nõuded requirements näitama indicate kogus/hulk volume vastupandamatu compelling kokkupõrge/mõju impact gobaalne soojenemine global warming kliimamuutused climate hange kasvuhooneefekt the green house effect osooniaugud the hole in the ozone layer happevihm acid rain metsaraie deforestation rahavastikukadu depopulation reostus pollution sudu smog biolagunev biodegradable looduskaitse conservation prügimägi dumping ground keksk...
Tuuleenergia. Ressursid. Keskkonnaprobleemid Tuuleenergia Tuuleenergiat on kasutatud juba ammustest aegadest saati Püütakse leida asendust naftale, söele ja gaasile Tuuleenergia muundamine mehaaniliseks energiaks ja elektrienergiaks Riigid ei saa sõltuda vaid tuuleenergiast Tuuleenergia Eestis Seadmetesse investeerimine kallis Click to edit Master text styles Second level Otstarbekas pole Third level rajada tuulikuid Fourth level paikadesse kus Fifth level tuule kiirus alla 6m/s Tuuleenergia Eestis Taastuvenergia osakaal 2010.a seisuga 10% Tuuleenergia 39%, biomass 56%,vesi 5% Tuuleenergia tootmis kasvuprognoos 2010.a 12GWh, 2021.a 240GWh Tuuleenergia prognoos energia üldbilansist 25% Tuulepargid Ee...
Rootsi energeetika Riigi asend Rootsi moodustab pika rannikujoone Lääne-mere lääneosaga. Maismaaga on piirid Norra ja Soomega ning on silla-tunneliga ühendatud ka Taaniga. Pindala on 450 295 km2, rahvaarv 9,716,962. Energiavarad Rootsi on Põhjamaade üks rikkamaid maid loodusressursside poolest. Rootsis on suured metsavarud. Domineerivad okasmetsad, lõunaosas ka segametsad. Toodetakse paberit, tselluloosi ja mööblit. Riik on ka üks suuremaid paberi-, tselluloosi- ja puidutoodete eksportijaid maailmas. Energiavarad Rootsis leidub ka rauamaaki. Rootsi on ainus suur rauamaagi eksportija Euroopa Liidus. Rohkesti leidub ka vaske, pliid, tsinki, hõbedat ja uraani, mille varud on ühed suurimad Euroopas. Uraani kaevandamist siiski ei toimu. Tuumaenergia Tuumaenergia kasutamine on pikka aega olnud vastuoluline. Pärast referendumit 1980. aastal otsustas parlament, et kõik tuumajaamad kaoks täielikult aastaks 2010. Pärast aastaid kestnud polii...
Air pollution in Japan Birgit Tohter Air pollution The presence of toxic chemicals or compounds (including those of biological origin) in the air, at levels that pose a health risk. The effects of air pollution is global warming, heart problems, acid rains etc. There are solutions like public transport, cleaning smokestacks, laws, renewable sources, The history Industrial activity in Japan devoloped rapidly after the World War II. People became really sick and described it as more horrible suffering than death. In the 1970s Japan managed to clean up without sacrificing growth by investing in pollution-control technologies. They made new laws. It was the start of "Japan's Pollution Diet". Today, Japanese cities are among the world's least polluted, according to the World Health Organization. Air pollution in Japan The air pollution is different in different seasons. During the winter air pollution in Japan is ...
3. slaid If we destroy some kind of spiece, we cant recreate it. They carrie unique information which cant be restored. Maybe in the future, the technology will get so far that they can recreate some extincted spieces. Here is araucaria mirabilis which was living approximately 160 million years ago If we create some culture on the field or cut down some alder forest and replace it with spruces, will it have interaction to the whole world? It's extremely difficult to answer, because there are so many factors. 4. slaid Renewable resources have became metaphor with meaning that its easy way to produce energy. Its easy to destroy our forests but it changes our ecosystem. They cause blowdowns, erosions and so on. 5.slaid scope of history Forests sometimes need to be updated. We need to take down trees with diseases. But we cant cut down trees which have cultu...
15.04.2012 Report California Tabasalu Gymnasium 7.b class Vivian ruumet California is a state located on the West Coast of the United States. There are many famaous cities like Los Angeles, San Fransisco and many others. California neighbour states are Oregon to the north, Nevada and Arizona to the west and Mexican to the south. The population of California is about 38,000,000 and area is 423,970 square kilometers. California`s climate varies from Mediterranean to subarctic. Much of the state has a climate with cool, rainy winters and dry summers. There are more rain in the southen part of California. The Golden Gate bridge in San Fransisco is one of the most famous landmark in California. The Golden Gate bridge have ...
Simple and small ways affect the enviroment for the better Everyone can do something for the enviroment. All of us should do something, because enviroment is very important to people. Our planet is changing and we need to help it change for the better. One way how to help the enviroment is saving energy. You should switch off anything, that uses electricity. If you’re not using it, then turn it off, it’s simple. This goes for lights, televisions and so on. Also try unplugging if possible, because even when an appliance is turned off, it still may use power. You could switch your light bulbs to LED light bulbs, because these are using less energy and even last longer. If you use renewable energy sources, you won’t cause burning fossil fuels, that causes pollution. Another way how to help the enviroment would be saving water. Turn off the water, when you’re not using it. People often leave water running, when they’re br...
Ecology and Environment I Word formation Noun Verb Adjective Eruption Protection Pollution - Penetration Contamination Emission - Depletion - Prediction Reduction Consumption Campaign/campaigner Disaster - Radiation Destruction - II Give the opposite ... Renewable resources Use Protect Admissibly Predicted III Fill in the correct word 1. The polar bear's .......................... is the icy waste...
“Green Illusions” The Dirty Secrets of Clean Energy and the Future of Environmentalism Ozzie Zehner Author Ozzie Zehner Visiting scholar at University of California, Berkeley Kettering University ( BS – Engineering ) The University of Amsterdam ( MS/Drs – Science and Technology Studies ) http://boa.czp-vecer.si/vecer2000/20131211/5023698_ Primarily researches social, cultural, political and economic .jpg conditions influencing energy policy priorities and project outcomes Introduction This book talks about the negative side effects of the alternative energy like wind turbines, solar cells and bio fuels. We don't have an energy crisis. We have a consumption crisis. And this book, offers refreshingly straight talk about what's wrong with the way we think and talk about the problem. Though we generally bel...
How to produce bioenergy from agricultural resources without harming the environment Jürgen Aosaar Jaak-Albert Metsoja Ahto Oja BOVA cource on biogas from biomass March 3-7 2008 Tartu Deciduous tree species on abandoned agricultural land Current situation • The long term development plan of the Estonian energy industry foresees a reduction in the use of fossil fuels and an increase in the share of biofuels: by the year 2010 renewable energy must account for 5.1% of total energy consumption Current situation (2) • In Estonia we have abandoned arable land about 400 000 ha, part of it is overgrowing naturally, and another part has been afforested • For short-rotation forestry in Estonia, ecologically and economically the most suitable tree is probably grey alder, which is a highly productive and soil improving species Grey alder...
Architecture and cities in the future · The painting by Frank R. Paul · Cities made of steel, glass and plastic · Massive skyscrapers, roof-top aerodromes, wide pedestrian boulevards, metal roadways, urban space launch pads, noise regulations. · Cities must change radically to achieve long-term sustainability. · Energy, food and water sources, transportation systems and basic infrastructure, must all adapt to emerging pressures from climate change, dw...
Ecological problems Situation Reason Consequenses Suggestions for solutions Ozone layer is damaged · Using different sprays · Increase of UV-rays · Ozone friendly products · Burning rubber and other (causes cancer) · Campaigns to make people plastics · There is no life possible on aware of dangers · Factories produce sulphur the Earth without ozone layer Depletion of natural resources · Misusage of natural · Loss of luxurity · Using renewable resources ...
10.kl VOCABULARY OF UNIT 4 acid rain happevihm address aadress afar kaugele (nt maale) alternative alternatiiv, valikuvõimalus ant sipelgas armour soomus, raudrüü array rivi, rida ballad ballaad ban keelustama budget eelarve can´t help ei saa midagi parata can´t stand ei talu car pool auto ühiskasutus centipede sajajalgne circumference ümbermõõt clad kaetud, riietatud clover ristikhein coal kivisüsi community kogukond, ühiskond consequence tagajärg conservation looduskaitse crimson veripunane, tulipunane daisy tree karikakra puu deceive tüssama, petma, eksiteele viima deforestation metsa lageraie demand nõudma diameter diameeter drawback puudus, tagasilöök drift triivima, hulkuma emit eraldama, kiirgama endangered species ohustatud/hävimisohus liigid energy use energia kasutus epic eepiline, kangelaslik face vastu astuma, silmitsi olema fairy land muinasjutumaa fil...
Solar power What is solar power? Solar power is the energy, which is derived from solar radiation energy. Mainy used to heat and power production, but as well as natural lighting. Solar power released as a result of fusion reactions taking place in the sun. What is solar power? Päikeseenergia on energia, mis on saadud päikesekiirguse energiast. Põhiliselt kasutatakse seda soojuse ja elektri tootmiseks aga ka loomulikus valgustuses. Päikeseenergia vabaneb päikesel toimuvate termotuumareaktsioonide tulemusel. Using heat production production of electricity from solar energy Kasutamine: Soojuse tootmiseks (sh. tarbevee ja joogivee kütmiseks) kasutatakse päikesekütteseadmeid. Elektri tootmine päikeseenergiast võib toimuda fotoelement- ehk fotogalvaanilises elektrijaamas päikesepatareidega või päikese-soojuselektrijaamades läbi soojuse. ...
Derivation Omadussõna Nimisõna Tegusõna Määrsõna Adjective Noun Verb Adverb Angry- vihane Anger- viha Anger- vihastama Angrily Embarassed- Embarrassment- piinlikus Embarrass- piinlikust Embarrassingly piinlik tundma Amazed- Amazement- hämmastus Amaze- hämmastama üllatunud Disappointed- Disappointment- pettumus Disappoint- pettuma pettunud Sad- kurb sadness- kurbus Sadden- kurvastama Terrified- Terror- hirm Terrify- hirmutama hirmunud Shocked Shock Shock Anxious- Anxiety-ärevus närviline Beautiful- ilus Beauty- iludus Beautifully- ...
The environment in realtion to mobility/transport in Europe Air pollution is problem all over the world. Through some pollution comes from these natural sources, most pollution is the result of human activity. The biggest causes are the operation of fossil fuel- burning power plants and automobiles that combust fuel. Combined, these two sources are responsible for about 90% of all air pollution in the United States. All kind of pollutions can lead us to serious health problems. For example, air pollution is increasingly being cited as the main cause of lung conditions such as asthma - twice as many people suffer from asthma today compared to 20 years ago. Every year, 3.2m Europeans are diagnosed with cancer - the most common cause of death after heart disease. Most widespread are cancers of the lungs, breast and colon. Diseases such as bronchitis, lung cancer and heart diseases may all eventually appear in people exposed to a...
TALLINNA ÜLIKOOL Matemaatika ja Loodusteaduste Instituut Loodusteaduste osakond Kas elame inimtegevusest põhjustatud kliimamuutuste ajal: poolt- ja vastuargumendid Referaat Tallinn 2012 Sisukord Kliimamuutused.....................................................................................................................4 Mis on kliimamuutused?...................................................................................................4 Kliimamuutused planeedil Maa.........................................................................................4 Inimtegevusest põhjustatud kliimamuutused: poolt- ja vastuargumendid.............................6 Kokkuvõte.........................................................................................................................9 Kasutatud kirjandus...
Tuuleenergia Euroopas ja maailmas Eurооpa Liidus pаndi 2013. ааstаl tuulееnеrgial töötаvаid еlеktrijааmu 11,2 gigаvаti (GW) ulаtusеs, mis tееb kõikidе liikmеsriikidе tuulееnergiа koguvõimsusеks 117,3 GW. Lisаfаktе: • Tааstuvеnеrgiа еsindаs 72% kõikidеst uutеst 2013. ааstal rаjаtud еlеktritооtmisе võimsustеst, kusjuurеs küttеõlil, kivisöеl töötаvаtе – ning tuumаjааmаdе kаsvunumbrid jäävаd jätkuvаlt nеgаtiivsеks tänu mullu tegevusе lõpеtаnud еlеktrijааmаde suurеmаlе osаkааlulе. • Tuulеpаrgid mооdustаvаd 32% kõikidеst ееlmisеl ааstаl Euroopа Liidus еhitаtud uutеst elektrijaamadest. • EL riikides investeeriti mullu tuulееnеrgiаssе invеstееriti 13,0 – 18,0 miljardit eurоt. Eestis ееlmisеl ааstаl vаlminud tuulеpаrkidе koguinvesteering ületаs 122 miljonit eurot. • 2013. aastal tootsid tuulikud Euroopa Liidus keskmiselt 8,0% vajaminevast elektrist. • 2013. aastal lisаndus Euroopаs kokku tuulееnеrgiаt 11,2 GW, sh meretuuleparke ehk offshore t...
New energy sources Rauno Hermann Scheer Energy law example for 47 countries 6.3% to over 20% Numerous awards including The Right Livelihood Award Renewable energy in world Investments 63 billion USD > 120 billion USD 20062009 Wind energy: 74 000 MW to 135 000 MW Solar energy: 5100 MW to 19 000 MW WHAT ARE THE ALTERNATIVES TO TODAYS SOLAR, WIND AND BIOMASS ENERGY SOURCES? Osmotic power How it works? Pressure created by osmosis powers turbines Where could be used Where fresh and salt water meet (creeks, fjords) Desalination plants Now Worlds first test factory in Norway Tofte (2009) Disadvantages Km2s of membranes needed Norway, Tofte Click to edit Master text styles Second level Third level Fourth level ...
THE IMPORTANCE OF THE RAINFOREST The beauty, majesty, and timelessness of a primary rainforest are indescribable. It is impossible to capture on film, to describe in words, or to explain to those who have never had the awe-inspiring experience of standing in the heart of a primary rainforest. Rainforests have evolved over millions of years to turn into the incredibly complex environments they are today. Rainforests represent a store of living and breathing renewable natural resources that for eons, by virtue of their richness in both animal and plant species, have contributed a wealth of resources for the survival and well-being of humankind. These resources have included basic food supplies, clothing, shelter, fuel, spices, industrial raw materials, and medicine for all those who have lived in the majesty of the forest. However, the inner dynamics of a tropical rainforest is an intricate and fragile system. Everything is so i...
Tartu Miina Härma gymnasium Biogas The source of future energy Report Tartu 2010 Table of Contents Introduction......................................................................................................... What is biogas?................................................................................................... Producing process............................................................................................... Nowadays............................................................................................................ Areas where biogas is used in............................................................................. Biogas as replacement of fuel.......................................................................... Other benefits.......................................................................
SISUKORD SISUKORD..........................................................................................................................................1 Sissejuhatus..........................................................................................................................................2 1. Päikeseenergia kasutamine...............................................................................................................3 1.1. Elektrienergia.............................................................................................................................4 1.2. Soojusenergia.............................................................................................................................4 1.3. Päikese energeetilise ressursi hindamise algeeldused...............................................................5 2. Päikeseenergia mõju keskkonnale.............................................
road signs All speed limit signs in the Republic changed to the metric system in 2005. Some direction signs still show distance in miles so tourists often mix them up. There are usually about 10 signs or more on one post , and its really hard to see them when driving, so tourists disturb traffic quite often when slowing down to read the signs All the signs are multilingual ,due to high percentage of English speakers Forests Ireland has only about 8 % of his whole land covered with forests. Centuries ago people cut the forests and didn't think about the future so nowadays there is mostly peat ( turvas) which Ireland uses to produce energy. Economy Ireland had a big economic boom in the late 20'th century, but now the Republic of Ireland is ranked the second wealthiest per capita country in the European Union. Education in Ireland is free at all levels, including college. The construction sector, which is inherently cyclical in nature, ...
Air pollution Every day, the average person inhales about 20,000 liters of air. Every time we breathe, we risk inhaling dangerous chemicals that have found their way into the air. Air pollution includes all contaminants found in the atmosphere. These dangerous substances can be either in the form of gases or particles. Air pollution can be found both outdoors and indoors. Pollutants can be trapped inside buildings, causing indoor pollution that lasts for a long time. The sources of air pollution are both natural and human-based. As one might expect, humans have been producing increasing amounts of pollution as time has progressed, and they now account for the majority of pollutants released into the air. Air pollution has been a problem throughout history. Even in Ancient Romepeople complained about smoke put into the atmosphere. The effects of air pollution are diverse and numerous. Air...
BARRIERS TO DISTRICT HEATING DEVELOPMENT IN SOME EUROPEAN COUNTRIES Abstract District heating (DH) offers low primary energy demand, high security of supply and small CO 2 emissions. Barriers to DH in the UK, Ireland, France, Romania and the Czech Republic have been compiled through publications and interviews. DH systems require large investments, have negative initial cash flow and long payback time, which obstructs financing. One actor should control DH from source to consumption. If the value chain is fragmented, contracts are required between the links. It increases risks and financing costs, like in the UK and Ireland, where DH is not established. There are few multi- family houses with central heating and it is expensive to build DH networks in built areas. Most French DH systems are operated according to long-term concessions by companies that sell electricity and gas. No strong actor provid...
Enamlevinumad polümeeride lähtematerjalid · Kõik plastid on polümeerid aga kõik polümeerid pole plastid. Mõned tuntud polümeerid, mis pole plastid on tärklis (ingl k starch), valgud (aminohappe polümeerid), DNA. · The simplified diagram below shows the relationship between monomers and polymers. Identical monomers can combine with each other to form homopolymers, which can be straight or branched chains. Different monomers may combine together to form copolymers, which also may be branched or straight. · plastid on polümeerid- see tähendab, et nad koosnevad tuhandetest samadest polüetüleen, millest on tehtud aatomidest. Näiteks materjal kilekotid koosneb etüleenist valemiga c2h4. · Tselluloos atsetaat, mis on kasutusel kilede tegemisel saadakse puuvillast. Mõned kummid on tehtud erinevate puude mahla...
Tartu Kivilinna Gümnaasium Liis Viljak 10b Bodyshop Company The Body Shop International plc is a global manufacturer and retailer of naturally inspired, ethically produced beauty and cosmetics products. Founded in the UK in 1976 by Dame Anita Roddick, we now have over 2,100 stores in 55 countries, with a range of over 1,200 products, all animal cruelty free, and many with fairly traded natural ingredients. We were the first international cosmetics brand to be awarded the Humane Cosmetics Standard for our Against Animal Testing policy. And we have our own fair trade programme called Community Trade, making us the only cosmetics company with such an extensive commitment to trading fairly. Community Trade now works with 31 suppliers in 24 countries, providing over 15,000 people across the globe with essential income to build their futures. The Body Shop is a leader in the trend towards greater corporate transp...
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