How much is a clam worth to a coastal community?

Researchers have developed a method to estimate the value of oyster and clam aquaculture to nitrogen reduction in a coastal community. Nitrogen is a nutrient that comes from many different sources, including agriculture, ...

Peregrine falcons expose lasting harms of flame retardant use

Peregrine falcon populations across North America are heavily contaminated with harmful flame retardants–including those that have been phased out for years—according to a new study published in Environmental Science ...

Underestimated chemical diversity

The last time a list was compiled of all the chemicals available on the market and in circulation worldwide, it ran to 100,000 entries. Drawn up shortly after the turn of the millennium, the list focused on markets in the ...

Lake sediments show decades of coal ash contamination

An analysis of sediments from five North Carolina lakes near coal-burning power plants has found that coal ash pollution of surface waters has been more persistent and widespread than was previously known.

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