Trace elements in the carbonate shells of freshwater mussels could serve as an archive of road salt pollution.

Unusual data let scientists test predictions that global warming drives species up slopes.

Featured blog: An October 7 accord could put U.S. Arctic waters off-limits to fishing.

This summer, the area covered by Arctic sea ice dropped to its second-lowest since satellite measurements began in 1979.

Featured blog: Switching to light bulbs that contain mercury might, surprisingly, reduce overall mercury releases to the environment. Plus, what to do when you break your fluorescent bulb.

Locally grown food is often touted as a perk of rural living. But if Dickson Despommier has anything to say about it, city dwellers will soon have the same environmental bragging rights. Despommier wants cities to grow their own food. Not in rooftop gardens or neighborhood plots, but in light-filled buildings of glass and steel; tilapia on the first floor, tomatoes on the 12th. It’s called vertical farming, baby, and it may be coming to a skyscraper near you. The idea is bold, but Despommier makes a compelling case. Across a scattering of labs and discip... (p. 16)

One day soon, precise up-to-minute air pollution data might be available at a street-by-street level.

Sensor designers might have to consider engineering in bovine deterrence.

The chemical bisphenol A may raise the risk of heart attacks and type 2 diabetes by suppressing a protective hormone.