When the world’s wealthy and powerful descend on the Swiss ski resort of Davos every year to offer prescriptions to fix the world, the assumption from many on the outside is that these moguls are converging to fix it in a way that will protect their riches, or better yet expand them. Thus while there was XXL greenwashing afoot at this year’s World Economic Forum (WEF) in January 16 to20, at least it’s clear to the Davos crowd that the climate crisis is an acute threat, if foremost to their fortunes. Paul Hockenos on the role of climate change debates at the billionaires’ summit in Switzerland.