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* Johan Rockström of the Potsdam Institute for Climate Impact Research, who is one of the chief scientific advisers to the UN and the Cop30 presidency, said 10bn tonnes of carbon dioxide needed to be removed from the air every year even to limit global heating to 1.7C (3.1F) above preindustrial levels.* How we could remove that much CO2 from the atmosphere is

the Guardian
Removing CO2 from atmosphere vital to avoid catastrophic tipping points, leading scientist says
10bn tonnes must be captured from the air every year to limit global heating to 1.7C, says Johan Rockström
Glossary





