After a lengthy scientific review, the United States last week decided to ban the use of endosulfan, an inexpensive organochlorine pesticide that builds up in the environment. The U.S. Environmental Protection Agency ruled that the compound

The state of Maine experimented with drugs last year. The state had already tested several methods?for collecting unused pharmaceuticals, with varying degrees of success.

More than half a dozen oceanographic buoys are missing in action in the eastern Pacific Ocean. The US National Oceanic and Atmospheric Administration (NOAA) has dispatched a ship to fix the malfunctioning buoys, which are part of the 55-strong Tropical Atmosphere Ocean (TAO) array that monitors the ocean and
atmosphere.

Nicola Pirrone may need all the help he can get next week. In the hallways of a conference in Guiyang, China, Pirrone

Chemists show how waste-water contamination affects ecosystem.