'Coal summit' stokes trouble at climate talks

Poland on Thursday defended a contested "coal summit" that will be staged in Warsaw next week alongside climate talks on curbing Earth-warming fossil fuels.

Methane emissions traced back to Roman times

Emissions of the greenhouse gas methane into the atmosphere can be traced back thousands of years in the Greenland ice sheet. Using special analytical methods, researchers from the Niels Bohr Institute, among others, have ...

Arsenic in water near coal-fired US plants: monitor

An environmental monitor Tuesday identified 19 new sites across the United States where groundwater near coal-ash dumps from power plants was found to be contaminated with arsenic and other pollutants.

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