"Nearly two years before peace activists broke into a U.S. nuclear weapons facility in late July, government investigators warned in classified reports of lax security at the complex where the nation's largest concentration of weapons-grade uranium is stored."

"CHICAGO -- For two decades, one of the most commonly used type of rail tanker has been allowed to haul hazardous liquids from coast to coast even though transportation officials were aware of a dangerous design flaw that almost guarantees the car will tear open in an accident, potentially spilling cargo that could catch fire, explode or contaminate the environment."

Eleven years after the 9/11 terrorism attack, Department of Homeland Security officials explained to a House Energy subcommittee why their program to harden security at U.S. chemical plants still hasn't been implemented.

"The GAO says the Department of Homeland Security has not established the need or effectiveness of a multibillion-dollar upgrade to the BioWatch system."

"An environmental activist from West Virginia who fought a coal-mining technique that flattened mountains, died on Sunday at age 66, according to his foundation."

"The U.S. Navy can build a $100 million submarine training range off the coast of Southern Georgia and Northern Florida, a federal judge ruled Monday, dismissing a lawsuit by environmental groups claiming the project would harm the already endangered North Atlantic right whale."

"When Kenneth Olden discusses environmental justice, he knows what he is talking about."

New techniques may allow purebred bison calves bearing the genes of the animals that originally populated North America to be reproduced disease-free. Most of today's bison descended from animals cross-bred with domestic cattle.

"The current poster child for global warming is a polar bear, sitting on a melting iceberg. Some health officials argue the symbol should, instead, be a child."