"WASHINGTON, DC -- Environmental advocates delivered a report on the climate effects of the Keystone XL tar sands pipeline to President Barack Obama today, with the intention of giving the President all the information he needs to reject the pipeline."

"DES MOINES, Iowa -- Environmental and animal welfare groups sued the U.S. Environmental Protection Agency on Wednesday, alleging the federal agency unlawfully scrapped a rule that would have authorized it to collect information from large-scale livestock confinement farms."

"Mercury found in high levels in deep Pacific Ocean fish such as swordfish has a chemical fingerprint, and it implicates coal-burning power plants in Asia, according to a new study."

"Mark Lynas has done the world a service in providing on-the-ground reporting from the Philippines, digging in on some vital questions related to the destruction of field trials of non-commercial, genetically modified, vitamin-fortified Golden Rice there in early August. ... The same is true for Amy Harmon, who wrote an incisive analysis of the research vandalism that ran in The Times on Sunday. The two pieces powerfully strip away distortions and myths surrounding the latest instance of anti-biotechnology violence and the grain that was the focus of the assault."