[youtube]http://www.youtube.com/watch?v=RuqZopzxQmk[/youtube]

The first decade of this century was the hottest on record. Polar ice is melting. Global sea levels are rising. And the vast majority of scientists attribute the changes to greenhouse gases, both natural from water vapor and man-made from burning fossil fuels. This report looks at what scientists are terming as the signs of global warming and how they are impacting our lives.