"Debra White Plume and Marie Brush Breaker Randall stood in the middle of Highway 44, alongside more than 70 other members of the Oglala Lakota Nation. For hours, they didn't budge -- much to the chagrin of some tractor-trailer drivers bound for the tar sands region of Alberta, Canada."

One of the six winners of the prestigious Goldman Prize, Azzam Alwash, played a key role in restoring the marshes in Southern Iraq that had been drained by Saddam Hussein as punishment of the people who lived there.

The livestock industry, which has been successfully urging state legislatures to pass bills hamstringing exposes of animal cruelty, has a new tactic that hobbles long-term undercover investigations of feedlots and slaughterhouses.

"The environmental consulting firm hired to evaluate the impacts of the Keystone XL pipeline should have been barred from working on the project, according to a group of environmentalists. On Monday, representatives from 13 environmental organizations asked State Department's Inspector General to investigate whether the firm's previous relationships with TransCanada should have qualified as a conflict of interest."

"Health and environmental groups will launch a national campaign Thursday to prod 10 major retailers -- including Walmart, Target and Costco -- to clear store shelves of products containing hazardous chemicals."

"Environmental groups on Monday asked the Obama administration to extend the approval process of the Keystone XL pipeline, using last month's spill of heavy Canadian crude oil in Arkansas as their latest reason to delay the project."

"Metro Detroit’s poor and minority populations face greater health and environmental challenges than most communities because of their proximity to industrial pollution - an “environmental injustice” and “human rights abuse,” Sierra Club Detroit officials said today as they released a report on the state of Detroit’s environment."

Rumors that the conservative billionaire Koch brothers could be poised to buy the Tribune Company raise questions about how that might affect Tribune news outlets' coverage of environment and energy issues, in which the Kochs have a substantial stake.

"The so-called 'Monsanto Protection Act,' a controversial provision protecting the biotech giant from litigation, has found an unusual critic in the tea party."

"A coalition of environmental groups wants air-quality officials to determine if the refining of heavy Canadian crude has an effect on local health and safety."

"James E. Hansen, the climate scientist who issued the clearest warning of the 20th century about the dangers of global warming, will retire from NASA this week, giving himself more freedom to pursue political and legal efforts to limit greenhouse gases."

"AMSTERDAM -- The Sea Shepherd Conservation Society is lodging a second complaint with the Netherlands Public Prosecutor’s Office for serious fraud and environmental crime against the captain and crew of the Nisshin Maru, the Japanese whaling fleet’s factory ship."

"The level of diversity, both in leadership and staff, of groups such as the National Resources Defense Council (NRDC), the Sierra Club and the Chesapeake Bay Foundation [, many say,] is more like that of the Republican Party they so often criticize for its positions on the environment than that of the multiethnic Democratic Party they have thrown their support behind."

"VATICAN CITY -- Pope Francis issued a powerful call for the protection of the environment and of society’s most vulnerable during his formal installation Mass at the Vatican, while qualifying his papal power as a 'service' to the church and to humanity."

"MELBOURNE, Australia -- Sea Shepherd Australia this morning welcomed to Melbourne its three ships and 110 crewmembers after their campaign defending whales in the Southern Ocean against Japanese 'research' whalers."