Green Genius's 101 Questions and Answers: Global Warming

The climate of the earth has changed many times before in the planet's 4.5 billion-year-old history. But today, its temperature is rising faster than ever before, driving many life forms to extinction. And scientists believe that this time it is humans who are to blame. Increase your green quotient and learn the answers to some less frequently asked questions on global warming. Join Green Genius as he takes you on a journey to discover how to save the earth.