Methane is a potent greenhouse gas, much more so than carbon dioxide. So it's good news indeed that the U. S. and 13 other countries are going to help poorer countries trap it and then use it as an energy source. Methane leaks from landfills and coal mines, and it's often flared in oil operations when there's no ready market for it. The New York Times reports that it's a small start, but it is a start.
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