Reductions in air pollution have helped warm the planet by cutting down on reflective particles in the atmosphere – but ...

The onset of some level of climate upheaval or widespread destruction of biomes and human lives, mild or severe, has ...

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

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 ...

Renowned climate scientist James Hansen, former head of climate research at NASA, has issued a stark warning: the goal of ...

Holding long-term global warming to two degrees Celsius -- the fallback target of the Paris climate accord -- is now ...

A new paper claims that average temperatures have shifted permanently above 1.5C as a result of an obscure factor: recent ...

James Hansen, a former Nasa scientist now at Columbia University, said the record temperatures of the past two years were the first payment owed on a “Faustian bargain”, where air pollution in effect ...

In a new analysis, acclaimed climate scientist Professor James Hansen and colleagues said that scientists had greatly underestimated the rate of global ...

and mask the warming effects of greenhouse gases. Climate researcher James Hansen estimates that "global dimming" is cooling our planet by more than a degree Celsius (1.8°F) and fears that as we ...