U.S. poised to rejoin global health, climate efforts
Elected 46th president of the United States on Saturday, Democrat Joe Biden signaled policy reversals to combat the pandemic and global warming.
Union of Concerned Scientists
Marathon U.N. climate summit falls short
The U.N. climate summit ended in Madrid without resolving how to put a price on carbon and only partial agreement on more ambition in cutting pollutants.
Trump launches U.S. exit from Paris treaty
The Trump administration notified the U.N. on the first day possible that it will withdraw from the 2015 Paris Agreement on climate change a year from now.
Landmark U.S.-Russia arms treaty expires
The United States and Russia let the Intermediate-Range Nuclear Forces Treaty lapse on Friday, ending a key plank of Cold War-era nuclear arms control.
Globalization tops populism in WEF poll
Globalization and international cooperation have more staying power than populist nationalism, the World Economic Forum found in a global survey.