When it comes to climate change, to invoke one of Al Gore’s favorite sayings, the biggest challenge is not what we don’t know, but what we know for sure but just isn’t so. Two new studies show that ...

The Amazon rainforest is so big that it makes its own climate. As they photosynthesise and transpire, its billions of trees collectively produce enough moisture to form clouds. These, by some ...

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 ...

Global scientists warn that humanity is on the verge of crossing irreversible climate thresholds, with coral reefs already at their tipping point and polar ice sheets possibly beyond recovery. The ...

After a weekend of extreme heat and windy conditions, more than 30 blazes were still burning in Victoria and New South Wales ...

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. A tipping point is a moment in ...

Broecker, W. S. 1997. “Thermohaline Circulation, the Achilles Heel of Our Climate System: Will Man-Made CO2 Upset the Current Balance?” November 28. Science. 278 ...

Earth’s climate is now warming so quickly that one of NASA’s most influential former scientists says the planet has crossed a line it can no longer simply step back from. His warning, delivered nearly ...

The Earth’s atmosphere is nothing but freely roaming molecules. Left alone, they would drift and collide, and eventually even out into a mixture that’s dynamic, yet stable and broadly unchanging. The ...