"Toxic metal threatens marine life as it accumulates faster in shallow layers than in deep sea due to human activity"

"Researchers have long contended that the epicenter of global warming is also farthest from the reach of humanity. It’s in the barren landscapes of the frozen North, where red-cheeked children wear fur, the sun barely rises in the winter and temperatures can plunge dozens of degrees below zero. Such a place is the Yamal Peninsula in Siberia, translated as 'the ends of the Earth,' a desolate spit of land where a group called the Nenets live."

"In part of the search to find ways to feed future populations, given the mounting impacts of extreme weather on traditional farming, many have begun to turn their attention to the ocean. Over the past four decades, aquaculture has grown rapidly, accounting for half of human-consumed seafood in 2011 and continuing at a 6 percent annual increase in production."

"Some of the world’s top PR companies have for the first time publicly ruled out working with climate change deniers, marking a fundamental shift in the multi-billion dollar industry that has grown up around the issue of global warming."

"Small hydropower projects have the potential to bring electricity to millions of people now living off the grid. But experts warn that planners must carefully consider the cumulative effects of constructing too many small dams in a single watershed."

"The globe’s nuclear power industry is aging, plagued with high costs and construction delays, and generally on the decline."

"Energy taxes in much of the world are far below what they should be to reflect the harmful environmental and health impact of fossil fuels use, the International Monetary Fund said in a new book on Thursday."

"For the second time this week, the Centers for Disease Control and Prevention has raised the travel alert for three West African countries, as the death toll in the Ebola outbreak increased at an alarming rate."

"The United States and Europe kicked off a joint effort on Tuesday intended to curb Russia’s long-term ability to develop new oil resources, taking aim at the Kremlin’s premier source of wealth and power in retaliation for its intervention in Ukraine."

"Two major feeding grounds for Pacific blue whales are bisected by busy shipping lanes near major seaports in San Francisco and Santa Barbara, Calif., a new study reports."