"Washington has become the first state to ban pavement sealants that contain coal tar. The state made the move in response to recent studies that show runoff from macadam treated with these products can pollute lakes and streams."

"Corroded cooling water pipes at the Byron nuclear power plant in Illinois could have caused a nuclear catastrophe. The plant, owned by Exelon Corp., is just one example of regulators from the Nuclear Regulatory Commission failing to penalize safety failures."

"The Ohio and Mississippi River levels were falling Wednesday at the site where engineers blasted holes in a Missouri levee to relieve pressure. But unleashing torrents of water across 35 miles of farmland in what has already been a terrible flooding season could carry other consequences. One risk, scientists cautioned, is fertilizer runoff from the flooded farm country along the Mississippi."

"Expanding Kennecott’s open-pit mine wouldn’t create enough air pollution to stop the copper giant from burrowing deeper into the Oquirrh Mountains. So ruled the Utah Air Quality Board in giving Kennecott Utah Copper a critical go-ahead Wednesday to enlarge its mine on the western edge of Salt Lake County — despite objections from anti-pollution advocates and a warning from the U.S. Environmental Protection Agency that the expansion may not be approved."