"The USCGC Healy reached the North Pole earlier this week, carrying a crew of scientists investigating environmental changes in the Arctic."

"Alberta Environment Minister Shannon Phillips says a globally credible climate policy is important to the province's future, and now is the time to take action."

"One of the country’s fastest-growing cities suddenly has a long-term water problem."

President Obama's Clean Power Plan survived yet another court challenge in a decision announced Wednesday.

"In a major setback for environmental advocates in California, Gov. Jerry Brown and Senate Democrats abandoned a 50 percent cut in petroleum use by 2030 that was a centerpiece of emissions legislation, blaming an intense campaign against the mandate by the oil industry."

"Ever since it was launched from the temple-like headquarters of the National Geographic Society in Washington in 1888, National Geographic magazine has illuminated the world’s hidden places and revealed its natural wonders. On Wednesday, the iconic ­yellow-bordered magazine, beset by financial issues, entered its own uncharted territory. In an effort to stave off further decline, the magazine was effectively sold by its nonprofit parent organization to a for-profit venture whose principal shareholder is one of Rupert Murdoch’s global media companies."

"Putting cities on a course of smart growth – with expanded public transit, energy-saving buildings, and better waste management - could save as much as $22 trillion and avoid the equivalent in carbon pollution of India’s entire annual output of greenhouse gasses, according to leading economists."

"TERIBERKA, Russia — The warming Arctic should already have transformed this impoverished fishing village on the coast of the Barents Sea."

"An aide to Mitch McConnell has been informing foreign embassies about GOP plans to oppose Obama's strategy on global warming."

"With a global climate conference only months away, preparatory talks have been moving at a 'snail's pace.' But talks this week may have yielded progress."