The next major round of international negotiations on climate change is scheduled for Oct. 29 - Nov. 9, 2001, in Marrakech, Morocco.

After the disastrous collapse of a Kentucky coal waste impoundment in October 2000, Congress asked the National Research Council to recommend ways to help reduce the potential for future calamities at about 700 U.S. facilities.

Amid the torrent of terrorism news, one angle that's been overlooked is agroterrorism -- using biological agents as weapons against crops or livestock.

As of Sept. 21, reporters and citizens have access to substantial US Fish and Wildlife Service data on fish diseases in US waters.

Reporters in some flood-prone communities now have a new forecast tool to help their audience anticipate floods.

Is normal weather still what it used to be in your region?

The closure of U.S. airports following the terrorist attacks of Sept. 11, 2001, provides a rare opportunity to gauge the contributions of airports and related activities to a city's air pollution.

El Nios occur when unusually warm water invades South and Central American coastal waters toward the end of the year.

Even very low concentrations of arsenic in drinking water can increase cancer risks. NAS release with link to report.