"The UN’s shipping body will produce a strategy to curb greenhouse gases by 2023, over 170 countries agreed at talks in London on Friday."

"The controversy over genetically modified crops has long focused on largely unsubstantiated fears that they are unsafe to eat. But an extensive examination by The New York Times indicates that the debate has missed a more basic problem — genetic modification in the United States and Canada has not accelerated increases in crop yields or led to an overall reduction in the use of chemical pesticides."

"About 300 million children in the world breathe highly toxic air, the United Nations Children’s Fund said in a report on Monday that used satellite imagery to illustrate the magnitude of the problem."

"A small, dark-feathered bird known as the common swift flies for 10 months on end without ever landing, the longest time spent aloft of any known bird, scientists said Thursday."

"If the Earth warms much more than it already has, the climate and ecosystems of the Mediterranean region might suddenly become unrecognizable, according to a new study."

"A landmark international agreement to create the world’s largest marine park in the Southern Ocean has been brokered in Australia, following five years of compromises and failed negotiations."

"Worldwide populations of mammals, birds, fish, amphibians and reptiles have plunged by almost 60 percent since 1970 as human activities overwhelm the environment, the WWF conservation group said on Thursday."

"Green energy accounted for more than half of net electricity generation capacity added around the world last year for the first time, leading energy experts have found."