Those are the latest alerts in a new paper led by James Hansen, director of Columbia University’s Climate Science, Awareness and Solutions Program and a former director of NASA’s Goddard ...

The rapid meltdown of polar ice could shut down a key ocean current by 2050, triggering catastrophic surges of sea level rise along the U.S. East Coast and dangerous climate shifts in northwestern ...

Professor James Hansen has warned that climate change could affect the Atlantic meridional overturning circulation (AMOC), a system of ocean currents in the Atlantic. Hansen, who first sounded the ...