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Scientists dim sunlight, suck up carbon dioxide to cool the planet

The UN says Paris climate goals won't be met simply by reducing emissions, and pushes for other ways

A facility of Climeworks to capture carbon dioxide from air is placed on the roof of a waste incinerating plant in Switzerland. The firm sucks greenhouse gases with fans and filters in a US$23 million project.


SCIENTISTS are sucking carbon dioxide from the air with giant fans and preparing to release chemicals from a balloon to dim the sun's rays as part of a climate engineering push to cool the planet. Backers say the risky, often expensive projects are urgently needed to find ways of...

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