CO2

Science

Ships could store their CO2 emissions in the ocean

A start-up is testing a new system to capture carbon dioxide from shipping exhaust and discharge it into the ocean…

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Climeworks Mammoth plant: Global capacity to directly suck CO2 from air has just quadrupled

Mammoth is the biggest direct air capture plant in the world Oli Haukur Myrdal/OZZO Photograhy/Climeworks The world’s largest facility for…

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As the Arctic tundra warms, soil microbes likely will ramp up CO2 production

Climate change is warming the Arctic tundra about four times faster than the rest of the planet. Now, a study…

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‘Gap’ in carbon removal: Countries’ plans to remove CO2 not enough

New research involving the University of East Anglia (UEA) suggests that countries’ current plans to remove CO2 from the atmosphere…

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Carbon-negative cement can be made with a mineral that helps catch CO2

A sample of cement made from the mineral olivine, which can help sequester carbon during production Helene Sandberg/Seratech An abundant…

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The Italian central Apennines as a source of CO2

Tectonically active mountains play an important role in the natural CO2 regulation of the atmosphere. Competing processes take place here:…

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Dusting farms with waste concrete could boost yields and lock up CO2

A tractor spreading powdered concrete at Silicate’s trial site in Ireland Silicate Carbon Grinding up the vast amounts of waste…

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Dumping green sand in shallow seas could let them absorb more CO2

Olivine sands can be found on some beaches in Hawaii Sara Komo/Shutterstock Dumping alkaline green sand into shallow seas could…

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A container ship just tested a system to capture its own CO2 emissions

About 3 per cent of all carbon emissions are due to the shipping industry GreenOak/Shutterstock A 240-metre-long container ship called…

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Advanced artificial photosynthesis catalyst uses CO2 more efficiently to create biodegradable plastics

A research team from Osaka Metropolitan University that had previously succeeded in synthesizing fumaric acid using bicarbonate and pyruvic acid,…

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