A raging wildfire consumes the forest next to Highway 63 twenty four kilometres south of Fort McMurray Saturday, May 7, 2016. The "Beast", as it was called by Wood Buffalo fire chief Darby Allen, is a 1500 square kilometre inferno that has prompted the mass evacuation of nearly 90,000 people from the northern Alberta city. (photograph by Chris Schwarz/Government of Alberta)

Fact-Check: do tipping points commit us to rapid catastrophic warming?

This is the third post in a new climatetippingoints.info series fact-checking claims that various climate tipping points have been crossed, … More

Fact-Check: is “global dimming” shielding us from catastrophe?

Claim: Global dimming (due to cooling by aerosols, as opposed to warming from greenhouse gases) is masking a large amount … More

Fact-Check: will an ice-free Arctic trigger a climate catastrophe?

Claim: A summer ice-free Arctic (called by some the “Blue Ocean Event”) will happen within the next few years and … More