Emissions from mining a single bitcoin have increased 126-fold

Between 2016 and 2021, the carbon emissions associated with mining bitcoin have increased from 0.9 tonnes to 113 tonnes per coin Technology 29 September 2022 By Corryn Wetzel There is a large energy cost associated with mining bitcoin Pulsar Imagens/Alamy The emissions associated with mining a single bitcoin have increased 126-fold in five years, creating … Read more

How to make sustainable batteries that won’t wreck the planet

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The batteries we need to power the transition to 100-per-cent renewable electricity require rare metals, and that means destructive mining – but researchers are working on alternatives Technology 2 March 2022 By Katharine Sanderson Graham Carter If we are going to stop burning fossil fuels, it is critical that we have access to electricity from … Read more

New ways to suck up methane can buy us vital time in the climate fight

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Remove a billion tonnes of methane from the air and we could cool Earth by 0.2°C, extending the window of opportunity to remove carbon dioxide before it is too late Technology 2 March 2022 By Katharine Sanderson Graham Carter The warming of our planet is usually blamed on carbon dioxide, but there is another major … Read more

Artificial leaves: Bionic photosynthesis as good as the real thing

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Converting sunlight into liquid fuel through artificial photosynthesis would be a huge environmental victory – and the latest prototypes look surprisingly effective Technology 2 March 2022 By Katharine Sanderson Graham Carter Our insatiable appetite for energy has got us into a mess, with the burning of fossil fuels releasing greenhouse gases that are heating the … Read more

New plastic made from DNA is biodegradable and easy to recycle

A plastic made from DNA and vegetable oil may be the most sustainable plastic developed yet and could be used in packaging and electronic devices Technology 20 November 2021 Source link

What’s next now Tesla is worth a trillion dollars?

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Financially speaking, Tesla is a massive success. The question is what will it do with all that money, wonders Rowan Hooper Technology | Comment 1 November 2021 By Rowan Hooper When Elon Musk joined the fledgling car firm Tesla in 2004, he put in $6.5 million to become majority shareholder and chair of the board. … Read more