Making wastewater less acidic could help the ocean capture more carbon

Altering wastewater released into the ocean could help store carbon stockphoto-graf / Alamy Reducing the acidity of the huge volumes of wastewater discharged into the oceans could be a relatively straightforward way to remove carbon dioxide from the atmosphere and slow climate change. But early tests have spurred controversy over potential environmental consequences. Ming Li … Read more

Playing underwater sounds could help coral reefs fight global warming

2023 was the hottest year recorded on planet Earth – and that includes the world’s oceans, where records fell like dominos. Last week, around 5000 scientists gathered in New Orleans for the American Geophysical Union’s biennial Ocean Sciences Meeting. Environment reporter James Dinneen was there to take the temperature of the researchers, who have been … Read more

Bitcoin creator Satoshi Nakamoto dismissed early climate concerns

Bitcoin was created by Satoshi Nakamoto Damien Loverso/Alamy Bitcoin’s mysterious creator, Satoshi Nakamoto, dismissed early concerns about the potential for the cryptocurrency to consume large amounts of electricity and contribute to carbon dioxide emissions, according to newly released emails. The true identity of the creator of bitcoin has never been revealed, but after the currency’s … Read more

Climate benefits of planting forests might be overestimated

Planting trees can help limit global warming PG Arphexad / Alamy Planting forests will help limit further warming of the planet by soaking up some of the carbon dioxide we pump into the atmosphere. But the climate benefits on a global level could be around 15 to 30 per cent smaller than previous estimates because … Read more

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 the Sounion Trader recently completed a test of an onboard carbon capture system as it cruised around the Persian Gulf. It is one of a small but growing number of ships trying to reduce their … Read more

Clean jet fuel: Inside the Brooklyn start-up reusing captured CO2

The AIR Company’s pilot facility in Brooklyn The AIR Company In a grey building squeezed in an industrial corner of Brooklyn, New York, Stafford Sheehan shows me a jar full of black metallic pellets. “This is the special sauce,” he says. They don’t look like much, but he says they could help produce billions of … Read more

Half of the Amazon may be pushed to climate tipping point by 2050

Forest fires in the Amazon in October 2023 Gustavo Basso/NurPhoto via Getty Images Large portions of the Amazon rainforest are threatened by the compounding effects of drought, heat and deforestation, which could push some ecosystems past a tipping point. But the potential for a wider scale collapse remains uncertain. “The forest as a whole is … Read more

Half of Amazon may be pushed to climate tipping point by 2050

Forest fires in the Amazon in October 2023 Gustavo Basso/NurPhoto via Getty Images Large portions of the Amazon rainforest are threatened by the compounding effects of drought, heat and deforestation that could push some ecosystems past a “tipping point”. But the potential for a wider scale collapse remains uncertain. “The forest as a whole is … Read more