The global climate is in an imbalance. Potential "tipping elements" include the Greenland ice sheet, coral reefs, and the ...

it is more vulnerable to melt than Greenland's land-based ice — precariously so in West Antarctica. In 1978, glaciologist John Mercer warned that rising carbon dioxide levels could trigger the ...

For around 2,000 years, global sea levels hardly varied. That changed in the twentieth century. Sea levels started rising and ...

The Advanced Research and Invention Agency is investing £57 million to study climate-manipulating technologies, but says it ...

These points of no return are specific moments when the planet has warmed so much that certain effects become irreversible.

Heat in the oceans and atmosphere is also driving melting of the Greenland and Antarctic ice sheets, which together ... reach a tipping point and rapidly collapse. From studying things like ...