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.
What can we expect from our future climate after looking at the 'Hothouse Earths' of the past?
'Hothouse Earth' is not a sure thing – yet. Here's what you can do about it.
We're still not sure whether the "hothouse" is speculation – or destiny.