An environmental video journalist was among those charged by Russia for piracy after a protest of Arctic drilling.

"In October 2013 a new international convention to control mercury emissions will be open for signing in Japan. Named the Minamata Convention on Mercury, the agreement is a response to the realization that mercury pollution is a global problem that no one country can solve alone. The convention was four years in the making, with more than 130 nations agreeing by consensus to a final text in January 2013. It includes both compulsory and voluntary measures to control mercury emissions from various sources, to phase the element out of certain products and industrial processes, to restrict its trade, and to eliminate mining of it."

"A Russian court ordered 20 Greenpeace activists from around the world to be held in custody for two months pending further investigation over a protest against offshore oil drilling in the Arctic, drawing condemnation and a vow to appeal."

"A Danish shipping company announced Friday the first-ever voyage of a large commercial freighter through the Northwest Passage -- a journey made possible by the disappearance of Arctic ice due to global warming.

"In 1987, the government of Thailand launched a huge, unplanned experiment. They built a dam across the Khlong Saeng river, creating a 60-square-mile reservoir. As the Chiew Larn reservoir rose, it drowned the river valley, transforming 150 forested hilltops into islands, each with its own isolated menagerie of wildlife."

"NEW YORK — Hillary Rodham Clinton outlined plans Thursday for an $80 million effort to curb the poaching and trafficking of elephants in Africa, warning that the continent's elephants could face extinction without swift action."

"STOCKHOLM -- Scientists can now say with extreme confidence that human activity is the dominant cause of the global warming observed since the 1950s, a new report by an international scientific group said Friday."

"SALEKHARD, Russia -- Russia announced on Tuesday that it had opened a piracy investigation against the crew of a Greenpeace ship after its activists scaled an offshore oil platform in the Arctic last week. The step signaled that the authorities intended to act decisively to thwart more protests against Russia’s ambitious plans to expand energy exploration in the region."

"WASHINGTON -- Top scientists from a variety of fields say they are about as certain that global warming is a real, man-made threat as they are that cigarettes kill."

"Airlines on Monday urged a UN aviation group to back a mandatory global framework to curb airline emissions, saying failure to reach a deal would revive threats of a trade war."