What is net zero and is the UK on track to achieve it?
Achieving "net zero" is the world's key strategy to fight climate change, which is already having serious consequences for people and nature around the globe.
But the political consensus around the UK's net zero policies has collapsed, with the Conservative and Reform parties now branding them too difficult and expensive.
Net zero means balancing the amount of planet-warming "greenhouse" gases produced by human activities with the amount being actively removed from the atmosphere.
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