"Federal scientists have found high amounts of mercury in sport fish caught in remote areas of national parks in the West and Alaska, according to a study released Thursday."

"Evidence of rat poison is found in a sickly puma whose territory includes Griffith Park. Researchers suspect a link between poisons and mange."

"Unpublished research by university scientists is exempt from the Virginia Freedom of Information Act, the Virginia Supreme Court ruled Thursday, rejecting an attempt by skeptics of global warming to view the work of a prominent climate researcher during his years at the University of Virginia."

"In an apparent effort to kickstart agency action on updating permissible exposure limits for hundreds of chemicals, the Occupational Safety and Health Administration asked the White House April 15 to approve a request to gather information on ways to address chemical exposure."

"It is touted as the largest Superfund cleanup ever, one that will remove 4.3 million cubic yards of sediment contaminated with a stew of pollutants from the Passaic River and even make it safe for people to fish there again without significantly raising their risk of cancer."

"The state Department of Public Health is adopting the nation's first-ever drinking water standard for hexavalent chromium, a carcinogen found in water supplies across the state."

"A new study released Wednesday finds there are almost 10,000 schools across the country located within a mile of a chemical facility."

"WASHINGTON — A federal appeals court Tuesday upheld the Environmental Protection Agency's first-ever limits on air toxics, including emissions of mercury, arsenic and acid gases, preserving a far-reaching rule the White House had touted as central to President Barack Obama's environmental agenda."

"When a helicopter flies over Cedar Valley, residents tend to assume it’s searching for illegal pot operations in the nearby forest. That’s what Curry County neighbors John Burns and Kathyrn Rickard thought when they heard the blades whirring over their rural homes. They didn’t think the helicopter flying overhead would be raining toxic chemicals upon their homes, their farms and their bodies."

"This is a column about a horror show you pray will never happen to you."