Leidsid 33 sarnast õppematerjali, mis on seotud failiga "Retell Global Warming". Need materjalid aitavad sul teemat sügavamalt mõista.
global, warming, increase, grow, gets, changing, once, change, started, altering, average, century, scientist, expect, years, living, cold, places, chance, crops, warmer, same, able, higher, melt, ocean, takes, space, rise, worse, plants, animals, extinct, resultGlobal Warming One of the biggest issues our planet and its inhabitants are facing nowadays is global warming. Global warming, also often referred to as the greenhouse effect, has not always been a problem. However, over the last centuries, since the Industrial Revolution things have changed. Polar regions are melting, species are dying, climate zones are shifting, migration patterns for animals such as polar bears and birds are being disrupted our world as we know it is changing. Some scientists believe that the climate will reach a tipping point, a point
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
ENVIRONMENTAL PROBLEMS Our environment is constantly changing. However, as our environment changes, so does the need to become increasingly aware of the problems that surround it. With a massive influx of natural disasters people need to be aware of what types of environmental problems our planet is facing. Current environmental problems make us vulnerable to disasters and tragedies, now and in the future. Unless we address the various issues seriously we are surely doomed for disaster. Current environmental problems require urgent attention. 1
Scientists first discovered acid rain in 1852, when the English chemist Robert Agnus invented the term. From then until now, acid rain has been an issue of intense debate among scientists and policy makers. Acid rain, one of the most important environmental problems of all, cannot be seen. The invisible gases that cause acid rain usually come from automobiles or coal-burning power plants. Acid rain moves easily, affecting locations far beyond those that let out the pollution. As a result, this global pollution issue causes great debates between countries that fight over polluting each other's environments. For years, science studied the true causes of acid rain. Some scientists concluded that human production was primarily responsible, while others cited natural causes as well. Recently, more intensive research has been done so that countries have the information they need to prevent acid rain and its dangerous effects. The levels of acid rain vary from region to region
Dead organic material functions as a nutrient pool. The two major nutrients are nitrogen and phosphorus. Nitrogen is created by biological fixation, and phosphorus is created by precipitation. The most distinctive characteristic of tundra soil is its permafrost, a permanently frozen layer of ground. The average winter temperature is -28°C, but the average summer temperature is 3-16°C. During the brief summers, the top section of the soil may thaw out allowing plants and microorganisms to grow and reproduce. However, these plants and microorganisms become dormant during the cold winter months. Soil is formed slowly. The constant freezing and thawing in the tundra helps to break the rocks into smaller pieces. Permafrost consists mostly of gravel and finer material. The arctic tundra is also a windy place and winds can blow between 48 to 97 kilometres. The tundra is basically like a desert when it comes to precipitation
solar energy, calm days mean no wind blows to drive wind turbines, droughts reduce water availability to produce hydroelectricity). The production and use of renewable fuels has grown more quickly in recent years due to higher prices for oil and natural gas, and a number of State and Federal Government incentives, including the Energy Policy Acts of 2002 and 2005. The use of renewable fuels is expected to continue to grow over the next 30 years, although we will still rely on non-renewable fuels to meet most of our energy needs. 3.3 How Do We Measure Renewable Energy? 15 Each of the energy sources we use is measured, purchased, and sold in a different form. Many units of measurement are used to measure the energy we use. Learn more about converting energy units in the Units of Measurement section. NONRENEWABLE ENERGY
..........................................16 3. Conclusion............................................................................................................ ....18 4. Sources............................................................................................................... .......19 Renewable energy Renewable energy is energy generated from natural resources--such as , wind, rain, tides and geothermal heat--which are renewable (naturally replenished). In 2006, about 18% of global final energy consumption came from renewables, with 13% coming from traditional biomass, such as wood-burning. Hydroelectricity was the next largest renewable source, providing 3% (15% of global electricity generation),followed by solar hot water/heating, which contributed 1.3%. Modern technologies, such as geothermal energy, wind power, solar power, and ocean energy together provided some 0.8% of final energy consumption.
The Greenhouse Effect: Scientists are sure about the greenhouse effect. They know that greenhouse gases make the Earth warmer by trapping energy in the atmosphere. Climate Change: Climate is the long-term average of a region's weather events lumped together. For example, it's possible that a winter day in Buffalo, New York, could be sunny and mild, but the average weather the climate tells us that Buffalo's winters will mainly be cold and include snow and rain. Climate change represents a change in these long-term weather patterns. They can become warmer or colder. Annual amounts of rainfall or snowfall can increase or decrease. Global Warming: Global warming refers to an average increase in the Earth's temperature, which in turn causes changes in climate. A warmer Earth may lead to changes in rainfall patterns, a rise in sea level, and a wide range of impacts on plants, wildlife, and humans. When scientists talk about the issue of climate change, their
Human overpopulation Liis Lukk MJ15 What is overpopulation? • Overpopulation is an undesirable condition where the number of existing human population exceeds the carrying capacity of Earth. • Human overpopulation is among the most pressing environmental issues • Overpopulation can result from an increase in births, a decline in mortality rates, an increase in immigration, or an unsustainable biome and depletion of resources • Human population has been rising continuously since the end of the Black Death, around the year 1350 • The most significant increase has been since the 1950s, mainly due to medical advancements and increases in agricultural productivity • The recent rapid increase in human population over the past three centuries has raised concerns that the planet may not be
Animals shrinking in the heat This article was published in Daily mail, on 17 October 2011. The author of the article is Tamara Cohen. The article discusses about animals who are shrinking due to global warming. Scientist have warned, that animals such as sheep, deer, birds and reptiles are shrinking due to climate change. Researchers say warmer temperatures over the past few years have made some animals adapt to need less body fat to survive while others are struggling for food. In the next few decades, some types of mammals, fish, birds and plants are getting smaller and evolve into miniature versions of what they are today. This could force some creatures, that people eat, to become extinct, Dr David Bickford from the National University of Singapore reviewed research showing
well rounded, capable students, if the students receive excellent support at home. I say this because I've met such students. Also, some private schools kids have turned out to be unsuccessful. Probably a loving, involved family atmosphere, in which such things as reading, game- playing, shared meals and other activities all go on routinely -- is more valuable than monetary wealth with a sterile family life. Sure, children can always grow up to beat the odds. But I'd rather cast my vote for public schools and the Republicans' "strong family values" over a private school upbringing that had joyless family life. Yes, the best is to have your cake and eat it, too. But although wealth just won't go around, love, sharing, reading, good manners -- are within the reach of all of us. Can't win 'em all, or predict. Some kids rebel no matter what. If we try our best to raise
Hello ladies and gentelmans Today I'm going to talk about how global warming will change the way we live in future. In fact durning the twentieth century global temperature went up by over 0,7 Celsius degree. It looks pretty small number but even slight Climate change leads to serious consequences. Firstly, global warming will cause that glaciers start to melt. And as a result, the water level will raise and cities and villages which are located near oceans and sees will be flooded. Secondly, if we don't stop global warming, we will bserve more examples of extreme weather such as heat waves, storm clouds, which may lead to floods, droughts and forest fires. Next conseqences of global warming is that oceans temperature will go up. It is likely that it will cause an increase in activity of hurricanes,
Margit Tepner k0848752 Sustainability aspects of biofuels 1. Introduction The literature review will discuss the sustainability aspects of biofuels. Food production will be the main concern as it is the most debated issue, but other aspects, such as land use change and water consumption will be also considered as they are essential aspects in the biofuels sustainability criteria. The review will discuss the viability of biofuels based on the current technologies. Second-generation biofuels are not yet commercially viable and therefore will not be discussed; although they could significantly improve the sustainability of biofuels when they break through to the industrial scale. 2. The scale of biofuels production 2.1
than the tall-grass prairie. In the winter, grassland temperatures can be as low as -40° F, and in the summer it can be as high 70° F. There are two real seasons: a growing season and a dormant season. Deciduos forest The average annual temperature in a deciduous forest is 50° F. The average rainfall is 30 to 60 inches a year. In deciduous forests there are five different zones. The deciduous forest has four distinct seasons, spring, summer, autumn, and winter. In the autumn the leaves change color. During the winter months the trees lose their leaves. The animals adapt to the climate by hibernating in the winter and living off the land in the other three seasons. DesertDeserts cover about one fifth of the Earth's land surface. Deserts temperature ranges from 20 to 25° C. The extreme maximum temperature ranges from 43.5 to 49°. Hot and Dry Deserts usually have very little rainfall and concentrated rainfall in short periods between long rainless periods.
The most common methods are by burning coal, building dams, or using nuclear power. However, many people think that nuclear power is dangerous, and when you consider the experience of Chernobyl in the Ukraine over 20 years ago, you can see why. Countries such as France, however, get about 80% of their electricity from nuclear power plants, and the pro-nuclear scientists argue that it is actually much clearer than burning fossil fuels, which contributes to global warming. Others argue that it is better to get electricity from sustainable resources, such as the wind, the sea, and the sun. Although this sounds like a sensible idea, they are not reliable enough to malntain a constant supply of power. For instance, you cannot produce solar energy at night. Basically, we need a source of energy that will not run out; if it cannot be hydroelectricity or coal-fired energy, it will have to be nuclear
Tallinna Mustamäe Humanitargümnaasium Valeria Jefremenkova ENGLISH AS A GLOBAL LANGUAGE INGLISE KEEL KUI ÜLEMAAILMNE KEEL Research work Supervisor: Jevgenija Kozlova Tallinn 2016 1 Table of Contents СONTENT…………………………………………………………………………………...2 INTRODUCTION…………………………………………………………………………...3
http://www.pewforum.org/2015/04/02/religious-projections-2010-2050/ APRIL 2, 2015 The Future of World Religions: Population Growth Projections, 2010-2050 Why Muslims Are Rising Fastest and the Unaffiliated Are Shrinking as a Share of the World’s Population The religious profile of the world is rapidly changing, driven primarily by differences in fertility rates and the size of youth populations among the world’s major religions, as well as by people switching faiths. Over the next four decades, Christians will remain the largest religious group, but Islam will grow faster than any other major religion. If current trends continue, by 2050 … The number of Muslims will nearly equal the number of Christians around the world.
Answers for the IPCC Summary. 1.Radiative forcing is a measure of the influence that a factor has in altering the balance of incoming and outgoing energy in the Earth-atmosphere system and is an index of the importance of the factor as a potential climate change mechanism. 2.The three main things that alter the energy balance of the climate system are the changes in the atmospheric abundance of greenhouse gases and aerosols, in solar radiation and in land surface properties. 3.The two sources for the increased concentration of CO2 in the atmosphere are production, distribution and consumption of fossil fuels and as a by-product from cement production. 4.The two main sources of methane pollution are agriculture and fossil fuel use. 5
middle latitudes typically have between 25 cm and 50 cm of precipitation a year. Much of this falls as snow, serving as reservoir of moisture for the beginning of the growing season. Warm to hot summers are experienced, depending on latitude. In the winter, grassland temperatures can be as low as -40° C, and in the summer it can be as high 20° C. There are two real seasons: a growing season and a dormant season. The growing season is when there is no frost and plants can grow (which lasts from 100 to 175 days). During the dormant (not growing) season nothing can grow because it's too cold. Taiga- Long, cold winters, and short, mild, wet summers are typical of this region. In the winter, chilly winds from the arctic cause bitterly cold weather in the taiga. The length of day also varies with the seasons in the taiga. Winter days are short, while summer days are long. The average temperature is below freezing for six months out of the year
had been just recently discovered at the time 1895. It is energy released by the splitting (fission) or merging together (fusion) of the nuclei of atoms. The conversion of nuclear mass to energy is consistent with the mass-energy equivalence formula E = m.c², in which E = energy release, m = mass defect, and c = the speed of light in a vacuum. Nuclear chemistry can be used as a form of alchemy to turn lead into gold or change any atom to any other atom (albeit through many steps). Radionuclide (radioisotope) production often involves irradiation of another isotope (or more precisely a nuclide), with alpha particles, beta particles, or gamma rays. Iron has the highest binding energy per nucleon of any atom. If an atom of lower average binding energy is changed into an atom of higher average binding energy, energy is given off. What is nuclear fusion? Nuclear fusion is the process by which multiple like-
Rivers The Darling River is the longest river in Australia, flowing 2,739km from northern New South Wales to its confluence with the Murray River at Wentworth, New South Wales. (Some geographers treat the Darling and the lower Murray as a single river, 3,000km long. This is largely a matter of semantics). Today the Darling is in poor health, suffering from overuse of its waters, pollution from pesticide runoff and prolonged drought, possibly the result of manmade global warming. In some years it barely flows at all. The river has a high salt content and declining water quality Deserts Deserts of Australia cover a large portion of the land in Australia. Most of the deserts lie in the central and northwestern part of the country. The Great Victoria Desert is a barren, arid and sparsely populated desert ecoregion in southern Australia. It falls inside the states of South Australia and Western Australia and consists of many small sandhills, grasslands and salt lakes
Humans are changeing the planet with their ordinary life. The principle cause of climate change is the increase in carbon dioxide concentrations in the atmosphere. The main cause of that is the burning of fossile fuels. This is leading to the global warming. People have discovered a way to reduce the amount of CO2 in the atmosphere. It is possible to seperate the CO2 from the other gases by adding liquid which is very good at absorbing CO2. Then it can be pumped to underground. Scientist came up with this idea because methane gas has been down there for thousands of years and it has not come up. So they expect that the CO2 won't be coming up either. To be sure of that, they are coing to make a test and drill two wells to
In London you'll also find Indonesian, Mexican, Greek... Cynics will say that this is because English have no "cuisine" themselves, but this is not quite the true. Vocabulary: to criticize - tasteless overcooked - ingredient - to invent - sauces - to disguise - spice herb - delicious - disappointing - to lend cuisine British Youth (2) Most 18 and 19 year-olds in Britain are quite independent people. English people say that children grow up more quickly now. Relationships within the British family are different now. Children have more freedom to make their own decisions. For example, children aged 13 may be employed part time in Great Britain. Age 15 is legally a "young person" not a "child". Age 16 is a school leaving age. They can leave home, drive a moped, marry with "parents' consent" buy beer. Age 17 can drive a car. Age 18 can vote, get married, drink in pubs.
Government. Today the power is divided by three parties: The Australian Labour Party, the Liberal Party and National Party. The Senat's membership is wider, it comprises 12 senators from each state and 2 from each territory. Senators are elected for six year terms. The Executive power in Australia is in the hands of the Commonwealth Government lead by the Prime Minister. Today the Prime Minister is John Howard, the leader of the Liberal Party. History Australia was once a part of the giant continent Gondwana. It included Africa, South America and Antarctica. First Australia and Antarctica split from Gondwana, then Australia broke away from Antarctica and began to move north. Aborigines arrived there about 50 000 years ago. They had occupied the whole continent by 30 000 years ago. At that time Tasmania was still part of the mainland. About 20 000 years ago the ice began to melt and the rising water level cut Tasmania off from the mainland.
2 stubborn b giving things to other people 3 shy c believing in yourself 4 popular d being very clever 5 pessimistic e not very good at talking to other people 6 friendly f wanting to know the answer to things 7 impatient g easy to talk to and nice 8 generous h not changing your mind easily 9 curious i thinking things are bad or are getting worse 10 confident j a lot of people like you and you have a lot of friends Marks: /10 Total marks: /50
It extends about 2000 km along the coast of Queensland. Made of coral, it is the world’s largest structure created by living organism. . 4 Climate & Time Zones Australia is the driest continent in the world except Antarctica. It has low average rainfalls. About 70 per cent of the country is arid or semi arid and cannot support agriculture. The north part of the country gets about 300 mm of rain a year. Much of the rain soaks into the ground and does not form any rivers or lakes. Monsoon winds bring moist air during summer. This is the time of high rainfall. It’s known as “the wet “season. High temperature also means hat a lot of moisture evaporates or is used by plants. In the southern two thirds of the country the climate is temperate to cool. Winter temperatures can be low but not freezing. There are four seasons. The seasons are the opposite of our seasons
French chemical company Rhodia's subsidiary Rhodia Energy Services has launched two biogas projects in China and Vietnam, it said on Thursday. Rhodia Energy Services will manage the design and construction of the two facilities, as well as the operations and sales of the biogas produced, it said in a statement. Rhodia has partnered with the Siyuan ethanol factory in southern China to treat waste water. The facility started up in March and will produce 150,000 cubic metres of biogas a day by January next year and reduce carbon dioxide emissions by 100,000 tonnes a year. The second project is based at the Nuoc Trong cassava starch factory in Vietnam, which has recently started operations. It will produce 150,000 cubic metres of biogas a day and reduce emissions by 12,000 tonnes per year. Rhodia said are working on plans to develop biogas in
Farther west the trees disappear and the bushlands begin. The real desert occupies the centre of the Western Plateau. In the very southwest there are thin forests of evergreen trees. Most of Australian trees are kinds of eucalyptus (or gum tree to Australians) and acacia (wattle of Australians). Eucalyptuses give the people timber and eucalyptus oil. Of 600 kinds of acacias the golden wattle, the national flower of Australia, is the best known. Of other trees there grow bottle trees in the savannas, tree ferns in the tropical forests and many others. Lakes Australia has much underground water. There are only few lakes which are full of water only after it rains. The biggest lake is Lake Eyre which is a salt lake. The natural lakes of the interior of continental Australia are salt lakes. Fed by streams and rivers, they receive water rarely. Lake Eyre, Torrens, Frome and Gairdner are the remains of a
Desertification does not only have an effect on the dry areas but also influences the areas that aren't haunted by the lack of water and land. Desertification has an effect on all of us. It slows down the development of agriculture or puts a total stop to it. The poor living conditions of developing countries drive people to search food somewhere else. In addition to natural ways, humankind helps along to the process of desertification that eventually leads to global warming. The main reasons are the fast growth of the population and it's consequences too intensive animal raising and the arable lands that are made too fast for the nature to adjust. As I said before desertification eventually leads to global warming. Glaciers and permafrost have decreased dramatically on both side of hemisphere. In the future in the South-Europe the temperature in summers may rise so high that people will have to find temporary refuges in the mountains.
in the southern part. Rivers The biggest river is the Murray. The other biggest rivers are the Mitchel and the Flinders. Other rivers are short and have water only after rains. The Climate Australia stretches from the tropics to the temperature region. It is a hot and dry country. The northern part has a hot tropical climate with heavy rainfall. It has two seasons - wet summer and dry winter. The south and the east of Australia have warm summers and winters. The southeastern coast gets rains all year around. The southwest area has hot, dry summers and mild moist winters. In the west and in the outback the temperature is often 35 degrees in the summer months. The outback receives almost no rainfall. Tasmania is cooler and wetter than the rest of Australia. The only places where snow falls are in the southeast and Tasmania. History Sixty million years ago Australia and its nearby islands were separated from the rest of the world by a great upheaval
4 On the territory of the USA the mountain ranges stretch in the north-south direction. The first from the east are the Rocky Mountains. West of the Rockies lie vast plateaus and tablelands: the volcanic Columbia Plateau, the Great Basin, the Colorado Plateau. Further west is a narrow belt of the Cascade Mountains, and the Sierra Nevada Range Still further west lies an area of valleys. The forests cover 30% of the US. In the southern part of Alaska grow coniferous trees, notably spruces and firs. Around the Great Lakes and New England are mixed forests of pines, maples, elms, birches, oaks and beeches. Along the Gulf of Mexico grow magnolia, red and black gum, cypress and mangrove. Geographical Regions The territory of the United can be divided into eight regions: 1) New England; 2) the Mid-Atlantic region; 3) the South; 4) the Midwest; 5) the Southwest; 6) the Rocky
ccc_tracy_fm_i-xviii.qxd 7/7/03 3:22 PM Page iii CHANGE YOUR THINKING, CHANGE YOUR LIFE How to Unlock Your Full Potential for Success and Achievement B R I A N T R AC Y JOHN WILEY & SONS, INC. ccc_tracy_fm_i-xviii.qxd 7/7/03 3:22 PM Page i CHANGE YOUR THINKING, CHANGE YOUR LIFE ccc_tracy_fm_i-xviii.qxd 7/7/03 3:22 PM Page ii ccc_tracy_fm_i-xviii.qxd 7/7/03 3:22 PM Page iii CHANGE YOUR THINKING, CHANGE YOUR LIFE How to Unlock Your Full Potential for Success and Achievement B R I A N T R AC Y JOHN WILEY & SONS, INC. ccc_tracy_fm_i-xviii.qxd 7/7/03 3:22 PM Page iv
majority of the year. Climate sculpts the landscape through heat, cold, humidity, light and wind. In Canada, the variety of landscapes shows the diversity of our climate. In the north, low precipitation and cold temperatures favour permafrost and suppress vegetation growth, resulting in treeless tundra. South of the tundra, on the Canadian Shield, summers are short and warm, and winters are long and cold. Annual precipitation is abundant, allowing coniferous forests to establish and grow. On the Pacific coast, the combination of heavy rainfall and mild temperatures year round supports Canada, Kärt Kalvet 8a temperate rain forests. On the Prairies, the large number of days of sunshine affects the development of the agricultural landscape. In the Maritimes, the Atlantic Ocean moderates the climate such that winters are generally long and mild, and summers are short and cool. These conditions help in the development of forests. Finally, around the Great Lakes and alongside the
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