"There was a huge global spike in one of the most potent greenhouse gases driving climate change over the last decade, and the U.S. may be the biggest culprit, according a new Harvard University study."

"The United States will sign the Paris Agreement on climate change this year regardless of the Supreme Court's decision to put a chunk of President Barack Obama's environmental action on hold, the U.S. climate envoy said on Tuesday."

"A bipartisan group of 17 governors today signed the Governors’ Accord for a New Energy Future – a joint commitment to pursuing modern electric grids, as well as cleaner energy and transportation solutions."

"Europe launched a satellite on Tuesday that will help predict weather phenomena such as El Nino and track the progress of global warming as part of the multibillion-euro Copernicus Earth observation project."

"Carbon dioxide pumped into old oil wells could react with salt water and erode ‘host rocks’ and cement, researchers find".

"With speculation over the next Supreme Court nominee running rampant, potential nominees' records on environmental issues and other hot-button topics are drawing scrutiny."

"The three-month natural gas leak that chased thousands of Los Angeles residents from their homes has been a major ecological disaster, sickening neighbors and pumping a potent greenhouse gas into the sky. But every day, pipelines across California leak tons of the same gas — methane — into the air."

"Citing last week's decision by the U.S. Supreme Court, Wisconsin Gov. Scott Walker on Monday ordered state agencies not to do any work to prepare for federal climate change regulations that would require Wisconsin utilities to cut carbon emissions from power plants."

"As many as 49 million people in southern Africa could be affected by a drought that has been worsened by the most severe and longest El Nino weather pattern in 35 years, the United Nations World Food Programme (WFP) said on Monday."

"Most science teachers in the United States spend some time on climate change in their courses, but their insufficient grasp of the science as well as political factors “may hinder effective teaching,” according to a nationwide survey of the profession.