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![Delegates gather in a large room under a balloon with the Earth printed on it at the COP26 climate summit](https://brainit.co.in/wp-content/uploads/2023/01/2022-Tonga-volcano-eruption-means-we-may-hit-15°C-of.jpg)
Has COP26 put the world on track for holding global warming to 1.5°C?
One analysis says that new pledges made at the COP26 climate summit in Glasgow, UK, have put the world on track for a 1.9°C of warming, but experts caution it takes a very optimistic view
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