Biofilter made from peanut shell degrades air pollutants

In order to clean the air of pollutants such as methanol and solvents used in the industry, biotechnology expert Raul Pineda Olmedo, of the National University of Mexico (UNAM), designed a biofilter that uses microorganisms ...

EPA sets stricter emission standards for oil refineries

The Environmental Protection Agency announced new rules Tuesday to reduce toxic air pollution from oil refineries by forcing operators to adopt new technology that better monitors and controls emissions.

Justices seem divided over EPA mercury limits (Update)

The Supreme Court's conservative justices cast doubt Wednesday on the Obama administration's first-ever regulations aimed at reducing power plant emissions of mercury and other hazardous air pollutants that contribute to ...

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