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Wood Pellets: Green Energy or New Source of CO2 Emissions?

Burning wood pellets to produce electricity is on the rise in Europe, where the pellets are classified as a form of renewable energy.

On Fracking Front, A Push To Reduce Leaks of Methane

Scientists, engineers, and government regulators are increasingly turning their attention to solving one of the chief environmental problems associated with fracking for natural gas and oil – significant leaks of methane, a potent greenhouse gas.

As Fracking Booms, Growing Concerns About Wastewater

Increasingly, the fracking boom in the Marcellus Shale and across the United States is leaving behind some big water worries...
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