Articles sur tipping points

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Record-shattering heatwaves and exceptional wildfires have occurred throughout the northern hemisphere this summer. U.S. Department of Agriculture

Policies on petroleum and pipelines move us closer to a ‘Hothouse Canada’

The Earth is on the edge of being pushed over a planetary threshold that could lead to a "Hothouse Earth." But if we take the risks seriously there is room for a more benign future.
Melting Antarctic ice can trigger effects on the other side of the globe. NASA/Jane Peterson

How Antarctic ice melt can be a tipping point for the whole planet’s climate

The climate secrets contained in an ancient tree that lived through abrupt global change reveal how Antarctica can trigger rapid warming in the north by dumping cold water into the Southern Ocean.
Melt pond on the Greenland ice sheet. NASA / Michael Studinger

What climate tipping points should we be looking out for?

The concept of a “tipping point” – a threshold beyond which a system shifts to a new state – is becoming a familiar one in discussions of the climate. Examples of tipping points are everywhere: a glass…

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