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 ...

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

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

Led by renowned if dissenting climatologist James ... Hansen and colleagues argued, is a recent decline in sunlight-blocking ...

A stark new analysis concludes that Earth's climate is more sensitive to rising greenhouse gas emissions than previously ...

SOME scientists, including James ... on climate change. They have shown that many in the scientific community feel a moral obligation to engage in activism for climate action. For example, Hansen ...

Led by renowned if dissenting climatologist James Hansen, the paper appears in the ... mitigating some of the warming. An ambitious climate change scenario outlined by the UN's climate panel ...