"When Pope Francis appeared on the balcony of the Apostolic Palace, where he delivers an address each Sunday, he was met by the usual cheers and by an unusual forest of bright green oversized paper leaves."

"White House officials confirmed Thursday that in President Obama’s meetings this coming week with the president of Brazil, Dilma Rousseff, they’re going to be talking about climate change."

Scientists have cast new light on the earthquakes found in Greenland -- caused by calving of the glaciers coming off the island's mile-high ice sheet.

"Big changes are afoot for the energy sector in the next 25 years. Coal and gas are headed out and solar and wind are rushing to take their place on a multi-trillion dollar investment bonanza, according to a new report from Bloomberg New Energy Finance that scopes out the power generating landscape through 2040."

"A target date for Brazil to reach zero net deforestation, something climate activists have been asking for, is not expected to be a part of a U.S.-Brazilian joint climate declaration to be issued next week when President Dilma Rousseff visits Barack Obama in Washington, climate specialists say."

"New genetics research shows how cold-water corals can increase their resilience to global warming at a pace that could match climate change."

"Global warming has created a 'new normal,' scientists say, and the old hesitance to attribute extreme weather to climate change is outdated.":

"The threat to human health from climate change is so great that it could undermine the last 50 years of gains in development and global health, experts warned on Tuesday."

"Renewable energy will draw almost two-thirds of the spending on new power plants over the next 25 years, dwarfing spending on fossil fuels, as plunging costs make solar the first choice for consumers and the poorest nations."

"The world’s most endangered porpoise is disappearing much faster than previously believed, according to a new report from the International Committee for the Recovery of the Vaquita."