Business

Bitcoin as environmentally costly as beef production

Taken as a share of the market price, the environmental costs of mining the digital cryptocurrency Bitcoin are more comparable to the climate damages of producing beef than gold mining costs, according to analysis published ...

Energy & Green Tech

Want to save carbon and land? Study suggests wooden cities

Housing people in homes made from wood instead of steel and concrete could save more than 100 billion metric tons of carbon emissions while preserving enough cropland to feed a booming population, research suggested Tuesday.

Business

Reducing carbon emissions in blockchain technologies

The environmental impact of blockchain technologies like Bitcoin and non-fungible tokens (NFTs) has come under increased scrutiny in recent years. Now, researchers from Qatar University have analyzed policy tools and interventions ...

Telecom

Software-defined satellite enters commercial service

Satellite operator Eutelsat has sold six of its eight beams—used for data and mobile communications—to organizations including governments and other users. It is expected that the entire satellite capacity will be sold ...

Internet

Social media offers parents more controls. But do they help?

As concerns about social media's harmful effects on teens continue to rise, platforms from Snapchat to TikTok to Instagram are bolting on new features they say will make their services safer and more age appropriate. But ...

Electronics & Semiconductors

Just add water to activate a disposable paper battery

A water-activated disposable paper battery is presented in a proof-of-principle study in Scientific Reports. The authors suggest that it could be used to power a wide range of low-power, single-use disposable electronics—such ...

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