It could greenhouse effect of its time or natural as I say life came a long way through evolution is likely to be the cause of our advanced civilization, The ice is melting faster than anticipated. The permafrost is melting faster than expected, releasing big quantities of methane which is many times more lethal for global warming than Co2. Even if you dont care, think of your teenage children 50 years from now and their children. And people instead of concentrating on the Marc Marquez MM93 world champion shirt global warming, are actually creating a teenage acting and spoilt brat for their political benefits. Arun Karnati please don’t post you make our country look bad. If you have a problem with a smart, motivated, brave teenager you’re lacking in human decency and need to go look in a mirror. Stop being a jerk. As Arun is not actually IN India but is living, he´ll last longer than his family India will be flooding soon enough.