Read about the Fishable Waters Act of 2000, an amendment to the Clean Water Act. Find out what changes this bill would make.

Bill Clinton announced the creation of six national monuments in the western United States, protecting over one million acres of federal lands.

Snake River in Washington topped the list of the nation's most endangered rivers. Find out which rivers were also on the list.

Researchers are concerned about the mysterious number of dead gray whales floating ashore in San Francisco Bay. Find a video clip.

Conservationists say elephants in Asia and Africa are being hunted illegally after the relaxing of a ban on ivory trading.

World Conservation Union added over 200 species to its "red list" of endangered animals. Take a look at the official list.

Provides news about the Kalamazoo River Superfund Site in southwest Michigan. Take a virtual tour and see reports of proposals to enhance river recovery.

Conservationists say dozens of primate species are on the brink of extinction. Find out why, and check out a video clip.

Find out how the region surrounding Mount St. Helens has recovered since the destructive blast on May 18, 1980. Includes a video clip.

Learn about the phenomenon of Pacific Decadal Oscillation (PDO), which is characterized by long-term shifts in the temperature of the Pacific.

Find out why scientists believe cracks on the floor of the Atlantic Ocean may send 18-foot waves crashing into the mid-Atlantic states.

As demand for Sumatran tiger skins increases in Southeast Asia, the species' wild population is shrinking. Join a message board.

President Bush announced that the United States would sign a treaty that calls for the elimination of 12 toxic chemicals, including DDT.