"It’s a green big deal for a tiny sliver of a country. Costa Rica, population 5 million, wants to wean itself from fossil fuels by 2050, and the chief evangelist of the idea is a 38-year-old urban planner named Claudia Dobles who also happens to be the first lady."

"Utility-scale solar power capacity is expected to grow by double digits globally in 2019 and 2020, driven by expansions in the United States, Europe, Middle East and China, U.S. bank Goldman Sachs said on Thursday."

"DENVER - Runways were cleared, the lights came back on and stranded motorists and airline passengers were back on the move on Thursday as the blizzard that pounded the U.S. Rocky Mountain and Plains states shoves eastward and fizzled to rain."

"Brazil’s right-wing government has ordered environmental enforcement agency Ibama not to respond to requests from the media, stoking fears that President Jair Bolsonaro may be rolling back environmental protections out of the public eye."

"Three of the world's biggest oil companies are pushing for federal regulation of methane emissions from energy production, punctuated by a warning yesterday from BP CEO Bob Dudley."

"State lawmakers from Connecticut to Florida are proposing measures that some groups say could threaten how science and climate change are taught in the classroom."

"Gov. Steve Sisolak has signed Nevada onto the U.S. Climate Alliance, joining 22 other states in a commitment to reduce greenhouse emissions and the effects of climate change."

"EPA Administrator Andrew Wheeler said yesterday that the Trump administration has pushed back the deadline for finalizing its rollback of Obama-era clean car rules."

"A long time ago, as glaciers retreated from North America, some arctic butterflies stayed behind. The Earth was warming and so they fluttered up mountain slopes, to where it was still cold. As the climate continued to change, the arctic butterflies continued to climb, toward the summits — and then, where?"