Our earth is getting hotter and hotter. As a result, the polar ice caps are melting, the water levels in the oceans are rising, soon low-lying, small islands will vanish, there will be less and less rainfall so crops will die, and we humans will face shortage of food and drinking water. Animals and birds will soon start disappearing.If you thought this was the script of some new sci-fi movie, you are mistaken.All this is already happening as a result...