Lauren Sommer covers climate change for NPR's Science Desk, from the scientists on the front lines of documenting the warming climate to the way those changes are reshaping communities and ecosystems around the world.
One of the world's oldest and busiest subway systems has ground to halt. London Underground workers are on strike, leaving some 4 million commuters stranded.
NPR speaks with U.S. Sen. Richard Blumenthal, D-Conn., about his bipartisan bill proposing additional sanctions on Russia and new penalties for its trading partners, including China.