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September sea ice ballyhoo and why it doesn’t matter to polar bears | polarbearscience

Here is why the September extent doesn’t matter to polar bears: it is the extent in June that is important to polar bear survival.

Scientists tap cow burps for natural gas - NBC News.com

"As an energy source it is not very practical at the moment, but if you look ahead to 2050, when fossil fuel reserves are going to be in trouble, it is an alternative," he told Reuters.