World will look back at 2023 as year humanity exposed its inability to tackle climate crisis, scientists say

Disastrous events included flash flooding in Africa and wildfires in Europe and North America

The hottest year in recorded history casts doubts on humanity's ability to deal with a climate crisis of its own making, senior scientists have said.

As historically high temperatures continued to be registered in many parts of the world in late December, the former Nasa scientist James Hansen told the Guardian that 2023 would be remembered as the moment when failures became apparent.