New pollution rule puts onus on states

A major initiative to cut the pollution emitted from the nation's power plants set off a scramble Monday in Washington - where Republicans instantly pounced on the proposed rules - and in states, where much of the work in ...

A glance at coal and its role in climate change

Coal took center stage in the global warming debate on Monday as a high-profile coal industry event kicked off on the sidelines of a U.N. climate conference in Warsaw.

Solving the bottleneck in biogas production

Agro-biogas plants produce renewable energy, extracting gas produced in the anaerobic fermentation of animal manures mixed with organic wastes from the food sector. One by-product of this fermentation process is a thick liquid ...

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