Thomas Jefferson's weather recordings help create historical weather database President Thomas Jefferson was big on recording the weather wherever he was. His notes on temperature, nature and rainfall are becoming a record on climate history. Nick Gilmore
Trump's EPA plans to end a key climate pollution regulation The Environmental Protection Agency is eliminating a Clean Air Act finding from 2009 that is the basis for much of the federal government's actions to rein in climate change. Jeff Brady
Ice climbers welcome winter, finally Unusually warm weather in the Rocky Mountains has meant the Ouray Ice Park in Colorado has been bare rock. Now that freezing temperatures have returned, there's a rush to scale the ice. Stina Sieg
'Please inform your friends': The quest to make weather warnings universal People in poor countries often get little or no warning about floods, storms and other deadly weather. Local efforts are changing that, and saving lives. Rebecca Hersher
Warm winter liquidates nearly half of Washington state snowpack Washington state’s snowpack held just 52% of its normal volume of water on Thursday, according to the U.S. Department of Agriculture’s Natural Resources Conservation Service. John Ryan
Olympic athletes protest big oil Several athletes are objecting to the International Olympic Committee over sponsorship of the Games by major oil companies. They say fossil fuel use threatens winter conditions needed for snow sports. Nathaniel Herz
Trump's EPA issues record low legal actions against polluters, watchdog group finds The EPA enforced a record low number of environmental laws and regulations during the first year of President Trump's second term in office. Jeff Brady
Energy Star has emerged stronger after Trump's EPA tried to end it The Trump administration tried to end or privatize the government Energy Star efficiency program. But now Trump has signed a budget bill that fully funds the program and leaves it even stronger. Jeff Brady
Inside the Trump administration's effort to reverse climate change policies President Trump calls global warming "a hoax." As the U.S. faces more severe storms and extreme weather events, the New York Times' David Gelles describes what this means for climate change policy. Dave Davies
How cuts to federal climate funds could threaten polar vortex research Tens of millions of people are in the path of a major winter storm. Federal cuts threaten efforts to understand the causes of such weather. Rebecca Hersher