U.N.: Thawing Permafrost to Boost Global Warming

Thawing permafrost covering almost a quarter of the northern hemisphere could "significantly amplify global warming" at a time when the world is already struggling to reign in rising greenhouse gases, a U.N. report said on Tuesday.

A poll finds fewer Republicans believe in global warming this year.

Associated Press + More

[READ: Coffee Threatened by Climate Change]

"If rich countries which have the financial means, have technology, have a stable population, already have a large middle class, if these countries think they cannot reduce and work to fight climate change, how can they ever think that developing countries can do it," do Lago said. "That is why the Kyoto Protocol has to be kept alive. It's the bar. If we take it out, we have what people call the Wild West. Everybody will do what they want to do. With everyone doing what they want to do, you are not going get the reductions necessary.

Copyright 2012 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.