MIT to Obama: Only 4 years left to stop global warming
MIT urged Obama to make climate change his No. 1 priority. "The potential for global warming over the next decades threatens consequences so dire that they could overwhelm any progress you make toward other long-term economic, social and political goals," said the letter.
The letter said Obama should act now to cut carbon emissions and begin the path to ending global warming:
"This is a deeply unpalatable political message. It means immediate spending and economic sacrifice by present-day voters in order to achieve benefits that will be realized decades from now. And it must be done while millions of Americans are still skeptical that global warming is taking place or that it is caused by human activity. But as extensive and exacting analyses over the last decade have shown, we can no longer wait without risking dramatic upheavals in global security and the health and welfare of hundreds of millions of the world's inhabitants."