Russia’s defense chief says a troop pullback from areas near Ukraine had nothing to do with Western pressure, adding that Moscow will continue doing what is necessary to protect itself

President Joe Biden is rounding out his first 100 days in office, and focusing on reining in the coronavirus seems to have paid off

Russian troops have begun pulling back to their permanent bases after a massive buildup that caused Ukrainian and Western concerns

An independent research organization says the American goal to cut greenhouse gas emissions by 50% to 52% from 2005 levels puts the United States among the four most ambitious nations in curbing climate change

The leaders of Russia and China have put aside their raw-worded disputes with U.S. President Joe Biden long enough to pledge international cooperation on cutting climate-wrecking coal and petroleum emissions

British Prime Minister Boris Johnson has welcomed the United States’ new commitment to halve emissions as a “game-changing” announcement

Russia’s defense minister has ordered troops back to their permanent bases after a massive exercise in Crimea that involved dozens of navy ships, hundreds of warplanes and thousands of troops in a show of force amid tensions with Ukraine

Japan says it will raise its greenhouse gas emissions reduction target to 46% on 2013 levels from the current 26%