"There was never doubt that the deadly train derailment in Lac-Mégantic caused an environmental disaster, but a report made public this week by Quebec’s ministry of the environment details the extent of the devastation to the soil, river and lake near the disaster zone."

"Colorado's richest oil field -- the Denver-Julesburg Basin -- is buried in floodwaters, raising operational and environmental concerns, as state and industry officials work to get a handle on the problem."

"Two environmental activists who climbed an OAO Gazprom (GAZP) Arctic rig to protest planned oil extraction were taken into custody following warning shots from Russia’s Coast Guard."

"Something peculiar is happening to rivers and streams in large parts of the United States — the water's chemistry is changing. Scientists have found dozens of waterways that are becoming more alkaline. Alkaline is the opposite of acidic — think baking soda or Rolaids."

"California legislation that orders the first-ever state oversight of hydraulic fracturing neared final passage yesterday, even after nearly all environmental groups dropped their support."

"State officials are rushing to head off an environmental and health disaster in Honolulu Harbor, where nearly a quarter million gallons of molasses from a ruptured pipeline have caused a massive marine die-off."

"When a powerful storm unleashed 2 inches of rain on Allentown over six hours last summer, that water didn't just saturate lawns, flood roads and dampen basements. It also filled storm sewers with cascading water that blew the tops off manholes along the bloated sewage collection system."

"WASHINGTON -- House Republicans scouring for evidence of overreaching environmental regulations are taking aim at a two-decade-old, taxpayer-funded scientific study by Harvard researchers that linked air pollution to disease and death."

"CLEWISTON, Fla. -- On wind-whipped days when rain pounds this part of South Florida, people are quickly reminded that Lake Okeechobee, with its vulnerable dike and polluted waters, has become a giant environmental problem far beyond its banks."

"George Washington National Forest is more than just one of the largest expanses of pristine land in the East. It’s the leafy cradle of the Shenandoah, James and Potomac rivers, a source of drinking water for millions of people in greater Washington."

"Prime Minister Stephen Harper, in an effort to win U.S. backing for the Keystone XL pipeline, has sent a letter to President Barack Obama proposing joint action to reduce greenhouse gas emissions in the oil and gas sector"

"Next time you go to toss that 'flushable' wipe in the toilet, you might want to consider a request from your sewer utility: Don’t."

"More than half a century has elapsed since the Seattle School Board — with nary a raised eyebrow, records indicate — voted to allow one of the nation's biggest and busiest highways to be built cheek-by-jowl with John Marshall Junior High, trading away the school's playground for a larger plot of land nearby."

"The eight-state commission that sets water quality standards for the Ohio River wants a two-year delay on enforcement of a more stringent mercury standard while it considers relaxing those rules."

"LONDON/PARIS -- A corrosive drilling fluid that triggered the North Sea's worst gas leak in 20 years could threaten similar deep-sea wells across the world, and operator Total has already warned Shell that its nearby Shearwater field may be at risk."