"Brent oil prices held around $50 a barrel on Friday following an OPEC meeting that failed to agree on output targets, but which was seen as supportive as Saudi Arabia pledged not to flood the market with more fuel."

Scientists are finding still another region of ice in Antarctica that may be unstable because of climate change -- and contribute to sea-level rise.

"VIENNA — OPEC ministers tempered expectations of a production deal as they headed into a meeting to discuss output policies."

"New solar, wind and hydropower sources were added in 2015 at the fastest rate the world has yet seen, a study says."

"China blocked a much-anticipated United Nations resolution to curb lead in paint during last-ditch negotiations at the U.N. Environment Assembly (UNEA) in Nairobi."

"The World Health Organization says there is "no public health justification" for postponing or canceling the Rio Summer Olympics because of the Zika outbreak in Brazil."

"Stonehenge eroding under the forces of extreme weather. The city of Venice slowly collapsing into its canals. The gradual flooding of the Statue of Liberty. Images like these, familiar from Hollywood climate-catastrophe thrillers, were evoked by a joint report, released on Thursday by Unesco, the United Nations Environment Program and the Union of Concerned Scientists, that detailed the threat climate change could pose to World Heritage sites on five continents."

"Tuvalu's prime minister on Tuesday called for a U.N. resolution to create legal protection for people displaced by the impacts of climate change, saying there was currently no international framework to protect their rights."

"The strongest El Nino in nearly 20 years, which damaged crop production in Asia and caused food shortages, has ended, the Australian Bureau of Meteorology (BOM) said on Tuesday."

"The Zika epidemic and the birth defects it's causing are both the fault of governments that abandoned programs to control mosquitoes and to provide even the most basic family planning assistance to young women, the head of the World Health Organization said Monday."