Science FAQ: America's New Promise On Climate The U.S. is planning to rapidly reduce greenhouse gas emissions. This is America's return to the international climate stage. We break it down for you. Rebecca Hersher
Environment U.S. Officially Rejoins Paris Agreement On Climate Change The United States on Friday officially rejoined the Paris Agreement on climate change. The landmark 2016 accord is designed to limit global warming and avoid its potentially catastrophic impacts. H.J. Mai
Science U.S. Officially Leaving Paris Climate Agreement The United States is the only country to back out of its promises to reduce greenhouse gas emissions. America has contributed more cumulative carbon dioxide to the atmosphere than any other nation. Rebecca Hersher
Environment How Warming Winters Are Affecting Everything Winters are warming faster than summers in many places, and colder parts of the U.S. are warming faster than hotter ones. The warming winter climate has year-round consequences across the country. Lauren Sommer Mose Buchele Molly Samuel Patty Wight Michael Elizabeth Sakas Amy Mayer Nat Herz
Environment Microsoft Pledges To Remove From The Atmosphere All The Carbon It's Ever Emitted The tech giant, which says it has been "carbon neutral" for years, is now vowing to go "carbon negative" — by cutting emissions, planting trees and investing in new carbon removal technology. Camila Domonoske
Environment U.N. Climate Summit Goes To Extra Time, But Ends With Major Questions Unresolved The talks showed deep divisions, as small countries highly vulnerable to rising seas and powerful storms were at odds with wealthy, high-emitting countries like the United States. Laurel Wamsley
Food Candy Canals: Architects Craft Gingerbread Replica Of Venice A competition brought hundreds of architects, designers and engineers together to build a mini version of the Italian city out of Snickers, Mars bars, Jellybeans, cereal, gummy bears and more. Sophia Alvarez Boyd
Environment Greenhouse Gas Emissions Are Still Rising, U.N. Report Says A United Nations report warns that greenhouse gas emissions from the world's largest economies must drop dramatically in the next decade to avoid the most catastrophic effects of climate change. Rebecca Hersher
Environment U.S. Formally Begins To Leave The Paris Climate Agreement Under the agreement hammered out in 2015, the first day that countries can reverse the promises they made is Nov. 4, 2019. It will be another year before the American withdrawal is official. Rebecca Hersher
Environment Amazon Makes 'Climate Pledge' As Workers Plan Walkout Amazon's plans include being carbon-neutral by 2040 and buying 100,000 electric delivery vans. It faced outcry from workers, hundreds of whom planned to join the Global Climate Strike on Friday. Alina Selyukh