Last year world's fifth hottest on record

By Kate Abnett
Updated January 11 2022 - 12:31am, first published 12:27am
Levels of planet-warming carbon dioxide and methane in the atmosphere hit new highs in 2021.

Last year was the world's fifth hottest on record, while levels of planet-warming carbon dioxide and methane in the atmosphere hit new highs in 2021, European Union scientists say.

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