"hottopics" - 1 õppematerjal

Green Illusions - book powerpoint - alternative energy

jpg Disadvantages Energy output  Food prices  Food shortage References  Zehner O. (2012). Green Illusions. Nebraska: University of Nebraska Press http://www.oxfordlearnersdictionaries.com/  http://ozziezehner.com/  http://www.greenillusions.org/ http://homeguides.sfgate.com/positive-negative-wind-energy-78719.html  http://www.conserve-energy-future.com/Disadvantages_WindEnergy.php http:// www.processindustryforum.com/hottopics/advantages-and-disadvantages-of-sola r-energy  http://greenliving.lovetoknow.com/Advantages_and_Disadvantages_of_Biofuels