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A quick explainer for COP26 — here’s how climate negotiations work and what’s at stake

Ideas.Ted

That treaty has since been updated, including in 2015 when nations signed the Paris climate agreement. The initial set of emission reduction targets in 2015 was far too weak to limit global warming to 1.5 One key goal of COP26 is to ratchet up these targets to reach net zero carbon emissions by the middle of the century.