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.

Corporations are using a dispute resolution provision of the North American Free Trade Agreement (NAFTA) to circumvent environmental regulations in the US, Canada, and Mexico.

EPA Administrator Christie Whitman will address the Friday, Oct. 19 luncheon plenary of the 11th Annual Conference of the Society of Environmental Journalists in Portland, Oregon.

In the wake of the tragic events of Sept. 11, 2001, terrorism is likely to continue to impact all beats, including the environment beat.

During the week of Sept. 24, 2001, EPA is scheduled to issue a final decision on whether to reregister Bacillus thuringiensis (Bt) plant pesticide applications for cotton.

President Bush is still drafting the team that will shape the country's policy over the next 3+ years.

As populations of wild salmon decline and cans and slabs of farmed salmon proliferate on supermarket shelves aquaculture practices that help feed the demand for the fish are gaining attention.

The Poynter Institute Web site has published an array of resources and advice for journalists who are covering the attacks and tragedies of September 11, 2001.