Meltwater runs across the Greenland ice sheet in rivers. The ice sheet is already losing mass and could soon reach a tipping point. Maria-José Viñas/NASA As the planet warms, it risks crossing ...

The world is on course to trigger several climate "tipping points" if global government policies stay on their current course, according to a new study April 23. These points of no return are specific ...

NEW YORK — The global switch to renewable energy has passed a “positive tipping point” where solar and wind power will become even cheaper and more widespread, according to two United Nations reports ...

The term “tipping point,”popularized by Malcolm Gladwell refers to the point at which a series of small changes or incidents become significant enough to cause a larger, more important change.

New research has found that the world has reached the first of many Earth system tipping points. These will cause catastrophic harm unless humanity takes urgent action. Subscribe to our newsletter for ...