"By trading oil for batteries, the struggling U.S. Postal Service could transform its fleet vehicles into overnight moneymakers that deliver much more than the daily mail. The cash-strapped agency has the potential to earn millions by storing and stabilizing some of the nation’s grid energy in mail trucks during off-peak hours."

"Chemicals found in food cans, nail varnish and shampoos could be triggering early puberty in girls, putting them at greater risk of cancer and diabetes, scientists believe."

"An O'Malley administration proposal to ease Maryland's stringent new storm-water pollution rules won legislative approval [Monday] night, capping a fierce debate over whether the Chesapeake Bay would suffer from giving developers more time and leeway in having to clamp down on rainfall washing off their building projects."

"The Chinese coal ship that ran onto the Great Barrier Reef was one of dozens of freighters to have taken a legal short cut between dangerous shoals this year, satellite images show."

"Environmentalist Jeff Spoelstra says an 80-mile stretch of the Kalamazoo River that runs through toxin-laced land in southwestern Michigan was on its way to becoming safe again. ...Then, in January 2009, Lyondell Chemical Co. filed for bankruptcy protection. The Houston-based petrochemical giant argued in court that as it reorganized, it could avoid what the U.S. Environmental Protection Agency said were about $2.5 billion in cleanup costs...."

"Environmental activists this week are stepping up a battle to protect U.S. EPA's ability to regulate greenhouse gas emissions, staging demonstrations and lobbying lawmakers at their local offices."

"Environmentalists demanded Tuesday that Puerto Rico's government order new tests to determine whether coal ash being used for home and road construction in the U.S. island's south is free of toxic material."

"Many streams and rivers in the United States are getting warmer, with the greatest increases in urbanized areas, according to research to be published in an upcoming edition of the journal Frontiers of the Ecology and the Environment."

"113 facilities in the Houston area have been identified as potential targets, yet nearly a decade after 9/11, securing them remains a work in progress."