"A former police spymaster who spent years living deep undercover in the protest movement has confessed he tricked an innocent woman into having a long-term relationship with him, as part of an elaborate attempt to lend 'credibility' to his alter ego."

"Nonprofit conservation groups have preserved tens of thousands of acres of land in California – wild places where both hikers and animals roam. Now, some of them say the economic slump could force them to scale back."

Green climate activists have declared their solidarity with the "Occupy Wall Street" movement.

"Foreign timber companies, Tea Party groups, and Gibson Guitar have turned illegal logging into Republicans' new cause célèbre."

"The Daily Caller claimed on Tuesday that the Environmental Protection Agency is going to have to hire 230,000 new employees just to put new climate rules in place. And then others, including Fox News, repeated it." The Daily Caller's story was not only untrue -- it was not even plausible.

"Opponents and supporters of the controversial Keystone XL pipeline project are gearing up for a pivotal round of public meetings around the country this week — forums that could play a role in whether the huge project receives final approval from the State Department by year’s end."

"President Obama yesterday got nudged from his left to nix the Keystone XL pipeline, as seven Democratic National Committee (DNC) members signed on to a resolution urging rejection of the controversial Canada-to-U.S. project on environmental, economic and national security grounds."

"Police in the Brazilian Amazon say they have arrested two men in connection with the murders of two rainforest activists who were gunned down in May."

"Beijing -- Authorities ordered a solar-panel manufacturing plant in eastern China to close after four days of protests by hundreds of villagers who have accused the facility of causing air and water pollution, Chinese media reported Monday.

The decision is an indication of the growing power of environmental protesters to sway government policy in China. As many as 500 villagers participated in the protests near Haining, an industrial city of 640,000 in coastal Zhejiang province.

"'There's a long tradition of people who don't like a particular message turning to attack the person delivering the message,' former Vice President Al Gore just said on NPR's Talk of the Nation."

"This week marks two anniversaries of global green campaigning groups that could scarcely be more different, while holding almost identical aims."

"Five years after the release of An Inconvenient Truth, Al Gore returns to the world stage with an updated slide show. Can his message be any more successful this time around?"

Hundreds of anti-fracking protestors rallied outside a Marcellus Shale industry conference in Philadelphia. Aubrey McClendon, the chief executive of Chesapeake Energy Co., called people concerned about the safety of their families' drinking water "extremists," even as an industry-friendly report noted that fracking could be costly to communities.

"Environmental groups and their critics are trading blows over the findings of a recent Government Accountability Office report on environmental litigation costs. In the face of Republican claims that environmentalists game the legal system to win attorneys' fees, GAO experts examined lawsuits filed against U.S. EPA and found 'no discernible trend' over the last 16 years."

"MONUMENT VALLEY, Utah (AP) — The stretch of high desert on the Arizona-Utah border gives way to towering rock formations that resemble huge mittens, chimney spires and castles. But to the west of Monument Valley lies a reminder of what has been blamed for much heartache and tragedy in Elsie Mae Begay's family: A mesa stained with a gray streak where uranium was mined decades ago."