"Four men have been found guilty in Costa Rica for the killing of a sea turtle conservationist in 2013. The chief of a three-judge panel said the slaying of Jairo Mora Sandoval, who worked for a green group called Widecast, was tied to his activism in a war 'between poachers and environmentalists on the beach.'"

"Cyclone Zena, a category three tropical storm with winds in excess of 120 kph (75 mph), is set to hit Fiji within 24 hours as the South Pacific island nation struggles to recover from a devastating cyclone in February."

"Administration officials are mindful that President Barack Obama's second term in the White House is drawing to a close but said work is not yet complete on the president's environmental priorities."

"BILLINGS, Mont. — The Obama administration brushed over the threat that climate change poses to the snow-loving wolverine when it denied protections for the elusive predator also known as the "mountain devil," a federal judge ruled Monday."

"A key section of the Keystone pipeline has been shut down due to an oil spill in South Dakota, TransCanada said on Monday."

"A swarm of new Clean Power Plan backers arrived on the legal scene last week, with filings rolling in from big technology companies, government officials and a couple of oddballs."

"Buildup of carbon dioxide is changing the chemistry of the world's oceans, threatening coastal economies and ecosystems -- nowhere more than on the Pacific Coast, according to an expert study released Monday."

"Industry groups are challenging President Obama’s rule to protect workers from exposure to harmful silica dust."

"With public officials across the nation under fire for downplaying the health risks posed by lead water pipes, Mayor Rahm Emanuel's administration is moving to start testing tap water in the homes of children poisoned by the brain-damaging metal."

"A federal judge in New Orleans has granted final approval to an estimated $20 billion settlement, resolving years of litigation over the 2010 BP oil spill in the Gulf of Mexico."