"This year's extra-large El Nino weather pattern is over, according to federal meteorologists."

"A revolutionary technology known as 'gene drive,' which for the first time gives humans the power to alter or perhaps eliminate entire populations of organisms in the wild, has stirred both excitement and fear since scientists proposed a means to construct it two years ago."

"Coral reefs have almost always been studied up close, by scientists in the water looking at small portions of larger reefs to gather data and knowledge about the larger ecosystems. But NASA's Jet Propulsion Laboratory is taking a step back and getting a wider view, from about 23,000 feet above."

"Volkswagen said on Wednesday it received regulatory approval to fix another 1.1 million cars, raising the number of VW models cleared for refitting to more than 2.5 million since the start of the year."

"The leaders of India and the United States vowed Tuesday to ratify the Paris climate accord this year, pledged to nail down terms for limiting a potent greenhouse gas used as a refrigerant in air conditioners, and set a one-year deadline for concluding a deal for six commercial nuclear power plants."

Humans have been influencing landscapes and ecosystems on a global scale for far longer than people usually think, archeologists said in a newly published study.

"'Advancing the ambitious climate change and clean energy agenda' and 'further enhancing our security and diplomatic cooperation across the Indo-Pacific region,' would be the focus of discussions between India and the U.S during Prime Minister Narendra Modi’s visit this week, a State Department official told The Hindu."

"'More than one quarter of the world’s elephant population has been killed in a decade,' according to the International Police, INTERPOL, and the United Nations Environment Programme, UNEP, in a new report that emphasizes the financial machinations behind environmental crimes such as poaching."

"Brent oil prices held around $50 a barrel on Friday following an OPEC meeting that failed to agree on output targets, but which was seen as supportive as Saudi Arabia pledged not to flood the market with more fuel."

Scientists are finding still another region of ice in Antarctica that may be unstable because of climate change -- and contribute to sea-level rise.