January 16, 2008–EPA still has not complied with requests from two Congressional investigating committees for documents on its decision to deny California and some 16 other states waivers allowing them to regulate tailpipe greenhouse emissions.
November 7, 2007–One of those problem areas is the thousands of old mines that were dug to extract uranium ore. During the era from the 1940s to the 1980s when most were excavated, many were simply abandoned when they played out or the economic incentives changed. Radioactivity now contaminates many sources of human and environmental exposure.
October 10, 2007–As of Oct. 2, 2007, NOAA and EPA are making daily local forecasts of ground level ozone for the entire contiguous U.S. The latest upgrade adds forecast information for 11 Western states, and improves forecasting for 6 others.