"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?"

"It’s official: The 2020 Democratic presidential field is now awash with climate candidates."

"As infrastructure talks progress on Capitol Hill, Democrats are calling for any legislative package to address climate change."

"Pulses of melting linked to rainfall doubled in summer and tripled in winter, a new climate change study found. That's a problem for sea level rise."

"When a frozen snowflake falls on the Greenland Ice Sheet, it lands with a whisper and stays frozen, sometimes for months.

But raindrops splat down, making little craters and melting some of the adjacent snow crystals. Multiplied across thousands of square miles, they can trigger widespread melting and runoff, which can lead to more sea level rise.