February 12, 2003, 11am PST
A brown pollution cloud dubbed the "Asian Express" could cross the Pacific Ocean and reach the U.S. in 4 to 10 days.
February 9, 2003, 7am PST
Conservationists are calling for the removal of millions of trees to help save one of Britain's most important natural habitats.
January 23, 2003, 2pm PST
Conservation International and National Geographic Traveler announce awards for the best examples of responsible tourism that balances nature conservation, the protection of heritage sites, social responsibility, and commerce."
January 14, 2003, 2pm PST
Arizona's Organ Pipe Cactus National Monument is the most dangerous in the nation.
January 5, 2003, 5am PST
Introducing the first housing development planned around the needs of koalas.
December 19, 2002, 9am PST
Award-winning ecologist pioneered a radically different model for conservation that includes humans as part of the ecological equation of wildlife preserves.
November 21, 2002, 1pm PST
A survey reveals "appalling" levels of geographic illiteracy amongst young U.S. citizens. Eleven percent could not even locate the U.S. on a world map.
November 12, 2002, 12pm PST
Rapid spread of urban development into forested areas in one of the most fire-prone regions of the world has created a dangerous situation.
November 7, 2002, 2pm PST
Researchers say a strain of bacteria discovered at the bottom of New York's Hudson River that might serve as an cleaning agent to get rid of a common pollutant.
November 7, 2002, 1pm PST
A report by the National Audubon Society warns that changing ecosystems have lead to a decline in the populations of a quarter of the U.S. bird species.
October 13, 2002, 7am PDT
Canadian Prime Minister Jean Chrétien announced the formation of 10 new national parks which would increase the total area of Canada's national parks by almost 50 percent.
September 25, 2002, 1pm PDT
California's Salton Sea is threatened by a plan to diver water to western cities.
May 3, 2002, 2pm PDT
Physicist David Criswell, director of the Institute for Space Systems Operations at the University of Houston, has proposed a system for collecting solar power on the moon and beaming it to Earth.
April 23, 2002, 10am PDT
It has been forty years since the publication of Rachel Carson's landmark book, "Silent Spring," considered by many to be start of the environmental movement. Is the Earth healthier today?
April 23, 2002, 8am PDT
The growing backlash against urban sprawl has given rise to "Smart Growth" and "New Urbanism" campaigns across the nation.
April 5, 2002, 9am PST
Dirt domes made from "Superadobe" could be a breakthrough in providing emergency housing around the world. The technique has attracted the attention of the U.N. and NASA.
March 7, 2002, 11am PST
New bridge planned in San Francisco, the largest public works project in California's history, will be one of the safest structures in the Bay Area.
March 5, 2002, 6am PST
National Geographic chronicles the tale of scientists trying to save the remaining 50 obscure Attwater prairie-chickens in Texas.
March 2, 2002, 11am PST
European satellite Envisat will monitor the earth's health including tracking pollution and mapping forests.
February 14, 2002, 6am PST
The National Park Service and the residents of Colorado are engaged in a water dispute over the Gunnison River that flows through Black Canyon of the Gunnison National Park.