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Paris (AFP) Feb 8, 2024 - Massive wildfires exposing millions to toxic smoke, drought shrivelling crops and key waterways, destructive storms supercharged by record ocean temperatures - in the last year the world has had a taste of what to expect with warming of 1.5C.

In an effort to tackle the mounting environmental challenges plaguing Mount Everest, climbers embarking on the iconic journey will now be mandated to bring back their own waste to base camp, a move aimed at mitigating the pollution and health hazards posed by human excrement on the world's highest peak.

To limit temperature rise, humanity must rapidly transition away from fossil fuels, halve emissions by 2030, transform energy systems, economies, agriculture, and transport, halt deforestation, and protect natural carbon sinks. Without urgent action, global emissions will surpass the safety limits of the Paris climate agreement.

Disruption of the Atlantic Meridional Overturning Current could freeze Europe, scorch the tropics and increase sea level rise in the North Atlantic. The tipping point may be closer than predicted in the IPCC’s latest assessment.

Dean and Sue Hall drove to Canberra to join the protest against “reckless renewables” on Tuesday this week. They said they wanted to back farmers whose livelihoods they feared were being ruined by new wind and solar projects.

But the case is not entirely over, as he plans to go after the publishers again.

Clues have emerged that reveal a much hotter history than we thought.

We explain in four charts | The Economist explains

Why headlines blaming extreme weather on climate change don’t hold up, the peril of catastrophism, and the case that we’re actually safer than ever before