"CAMBRIA COUNTY, Pa. -- A pipe is spewing toxic water into Topper Run from the old Maryland No. 1 coal mine here."

"CHEYENNE, Wyo. -- Wyoming's governor persuaded the head of the U.S. Environmental Protection Agency to postpone an announcement linking hydraulic fracturing to groundwater contamination, giving state officials -- whom the EPA had privately briefed on the study -- time to attempt to debunk the finding before it rocked the oil and gas industry more than a month later, an investigation by The Associated Press has found."

"MONTPELIER, Vt. -- Vermont is about to become the first U.S. state to ban hydraulic fracturing, or fracking, for natural gas."

"It’s the kind of scenario that might evolve in Hollywood: A college professor detects drug-resistance genes collecting in local wetlands, where they survive for weeks and are spread far and wide by seabirds.

But the discovery of extra-hardy DNA flourishing on the edge of San Diego isn’t science fiction. It’s the result of research by David Cummings, a microbiologist at Point Loma Nazarene University.

"EVERETT -- For decades, the Kimberly-Clark plant provided countless jobs in Snohomish County and paper products to millions of people.

Now that it's closed, the plant is leaving behind another, not-so-positive legacy.

Dioxins -- toxic substances thought to cause cancer in humans -- have been found in the waterway next to the plant at a level 15 times higher than what the state considers safe. The dioxins in sediment under the water are a result of the bleaching process in making paper.

"The Obama administration unveiled long-awaited rules on Friday to bolster oversight on public lands of oil and natural gas drilling using fracking technology that has ushered in a boom in drilling but also triggered environmental protests."

"PORTLAND, Maine -- On April 23, heavy rains pounded Portland. The next day, many of the city’s most recognizable water bodies were the color of sewage."

"Soccer balls, motorcycles and a million other reminders of the massive tsunami in Japan a year ago are appearing along Alaska's coastlines."

"TransCanada, the company behind the disputed Keystone XL pipeline, submitted a new application for the project to the State Department on Friday, as expected. The company will route the pipeline around the environmentally sensitive Sand Hills region of Nebraska, and the revised proposal starts a fresh clock on the environmental review process."

"HARTLEY BAY, B.C. -- The Gitga'at Nation of Hartley Bay has reported an oil spill between two and five miles long in the Grenville Channel, not far from the tanker route for the proposed Enbridge Northern Gateway pipeline."