Greenwire

For nearly five centuries, thousands of Vikings eked out a living on Greenland's harsh shores before unexpectedly departing in the mid-15th century. Until now, their disappearance has often been explained as a result of changing climate, but new research is raising doubts on that theory.

A Nebraska judge Friday threw out litigation challenging a law that allowed the state's governor to approve a proposed route of the Keystone XL pipeline from Canada.

The Supreme Court today refused to hear an appeal in a case challenging Colorado's renewable energy standard.

Wildlife officials are planning to use GPS collars to track the movements of destructive feral hogs in two Tennessee national parks.

Dying banana plants in various parts of the world are suffering from a fungus known as Tropical Race 4, according to a study published in PLOS Pathogens.

Enough Amazon rainforest hard wood to cover several football fields has sat at the Port of Houston since September as U.S. and Peruvian officials decide how much was illegally logged.

The second- and third-largest canned tuna sellers in the United States will not merge after the Justice Department warned Chicken of the Sea that buying Bumble Bee was bad for the tuna market.

Top Interior Department managers did not alter any of the science behind an environmental analysis that reaffirmed a 2008 offshore lease sale in Alaska's Chukchi Sea, even though staffers working on the analysis felt pressured by an "expedited timeline" to complete the analysis, according to Interior's inspector general.

As a way to ratchet down the 5 percent of global emissions caused by lighting, governments such as China, India and the United States and large companies such as Ikea have pledged to fit 10 billion ultra-efficient lightbulbs worldwide.

France's top climate change negotiator must not only help work out a deal in her country's interests at the climate change conference currently underway outside of Paris, but also play the role of organized host to 196 delegations and a bevy of other attendees.

Russian President Vladimir Putin has signaled that his negotiators will not block an agreement backed by other major countries at the U.N. climate change conference underway in Paris.

LE BOURGET, France -- As haggard negotiators struggle to eke out a climate deal in the industrial northern suburbs of Paris, 450 mayors from around the world have been wining and dining with movie stars and ambassadors across the capital city and patting themselves on the back for doing more than the most progressive national governments could hope to achieve.

LE BOURGET, France -- President Obama's top advisers have arrived in force here today to begin a final push toward a global climate accord, vowing that U.S. carbon reductions are here to stay.

Vermont Sen. Bernie Sanders (I) today unveiled an aggressive climate change platform, vowing to enact a carbon tax in an effort to reduce greenhouse gas emissions by 80 percent by 2050, as well as pledging to "ban fossil fuels lobbyists from working in the White House" if elected.

Scientists who once worked at the National Oceanic and Atmospheric Administration applauded the agency today for its response to Rep. Lamar Smith's recent subpoena, calling it a "serious misuse of congressional oversight power."

Congressional Democrats are calling for tougher penalties for violations of federal mine safety laws in the wake of former Massey Energy Co. CEO Don Blankenship's conviction in a safety case.

LAS VEGAS -- Interior Secretary Sally Jewell said Friday that her department is opposing all policy riders under consideration for a government spending bill that could undermine the Obama administration's lands, energy and wildlife policies, though she conceded that the negotiations are largely above her pay grade.

LAS VEGAS -- Western governors meeting here last Friday said they support reauthorization of the Land and Water Conservation Fund, but disagreed over whether the 50-year-old program should first be reformed.

Steve Black, a former aide to then-Interior Secretary Ken Salazar, broke the terms of his presidential ethics pledge though not actual law, according to the department's watchdog.

LE BOURGET, France -- Should Qatar, the richest country in the world, help poorer nations deal with climate change? What about Singapore, the third-richest, where the gross domestic product per capita is five times higher than in Bulgaria? Or Saudi Arabia, where the average household income is higher than that of Italy, Spain and the Czech Republic?

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