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Fracking boom sucks away precious water from beneath the ground, leaving cattle dead, farms bone-dry and people thirsty.
Outside New York, one scientist thinks muddy marshes hold the secrets of future climate change.
What could possibly go wrong when miners, frackers, and drillers reshape the geology beneath our feet? Talk to the evacuees of Bayou Corne, Louisiana.
Recent warnings that this greenhouse gas could cost us $60 trillion have received widespread publicity. But many scientists are skeptical.