Kingfish wrote:

Dinosaurs were done in by their own farts. Think about it - all that
methane released into the atmosphere causing extreme climatic
changes... I've read the single largest source of greenhouse gases is
emissions from cattle. (again, farts)

The new , big source may turn out to be Lake Farts.
http://www.newscientist.com/article/mg18725124.500.html

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