Far right using climate crisis as bogeyman to frighten voters and build higher walls

The failure to deal with the causes of the crisis has allowed ultranationalists to score points by focusing on the consequences, particularly migration. Photograph: José Luis González/Reuters

A disrupted climate and diminished natural world are widening the dividing lines of ideological debate. Left unchecked, this will undermine democracy.

That may not be the first thing on the minds of British voters as they go to the polls on Thursday. It is probably also a minority view in the rest of Europe or the US, where people are too much in the thick of a polycrisis to consider anything outside politics and economics as usual. But from a distance, in my case from the Amazon rainforest, there is a very different explanation for the tremors being witnessed in the old world and the new.