"The Supreme Court will not wade into a defamation battle between a prominent climate scientist and conservative groups that compared the scientist to a convicted child molester."

"The world has squandered so much time mustering the action necessary to combat climate change that rapid, unprecedented cuts in greenhouse gas emissions offer the only hope of averting an ever-intensifying cascade of consequences, according to new findings from the United Nations."

"Governments face a struggle at a United Nations summit in Spain next week to inject momentum into efforts to curb global warming, dogged by lack of consensus, U.S. scepticism and disruptive protests demanding more action."

"In 1849, Harriet Tubman escaped from the Eastern Shore farm where she was enslaved. Over the next several years, she would return 13 times, rescuing more than 70 enslaved relatives and friends, and inspiring many others to find their own path to freedom. She has become a hero, with two national parks established in her honor, several biographies about her feats, and a major motion picture about to be released about her life."

"SACRAMENTO, Calif. — A coalition of 11 environmental groups has sued the U.S. Environmental Protection Agency for revoking California’s authority to set tougher emission standards for cars and trucks than the federal government.

The federal government has allowed California to set its own emission standards since the 1970s because the state has the most cars on the road and struggles to meet air quality standards. Thirteen other states plus the District of Columbia follow California’s rules.

"Lax regulation, austerity and climate change are setting the stage for another catastrophe."

"Michael Bloomberg has poured his time and hundreds of millions of dollars into projects aimed at getting the world 'beyond carbon,' but can he win the presidency?"

"In weighing whether to add 'sins against ecology' to the Catholic Church's official teachings, Pope Francis is bolstering not only his climate credentials, said religious experts, but also his approach to environmental justice.

During a speech Friday at the Vatican, Pope Francis said it was a 'duty' to add the 'ecological sin against the common home' to the church catechism. His speech came during the 20th World Congress of the International Association of Penal Law.

"The Supreme Court on Friday will consider whether to take up a prominent climatologist's defamation suit against a venerated conservative magazine, in a case that pits climate scientists against the free speech rights of global warming skeptics."

"The hunger strike inside House Speaker Nancy Pelosi’s office to protest inaction on climate change wasn’t going well Thursday."