Technology

‘SharkGuard’ reduces bycatch of endangered sharks, sea trials show

For sharks living in the open ocean, longline fishing is the number-one threat, with an estimated 20 million pelagic sharks caught...

• 3 min read

Breaking free from photosynthesis: Will high-tech foods save nature?

Soaring industrial livestock production is dramatically increasing greenhouse gas emissions, deforestation and biodiversity loss. ...

• 10 min read

E.V.s Start With a Bigger Carbon Footprint. But That Doesn’t Last.

The manufacturing and disposal of electric vehicles result in more greenhouse gases than nonelectric models, but that difference w...

• 5 min read

Climate change: Can an enormous seaweed farm help curb it?

Imagine a huge seaweed farm the size of Croatia floating in the South Atlantic between Africa and South America. Spinning in a nat...

• 5 min read

A street lit by rotten onions? An Indian market embraces biogas.

The Bowenpally Vegetable Market in Hyderabad, India, is a hub of activity. Every day, more than 5,000 traders, shoppers, drivers,...

• 4 min read

Recycled Battery Materials Can Work as Well as New Ones

THE CATHODE IS a marvel of molecular choreography. How much power a battery holds, and how long it lasts, depends on its lattice ...

• 5 min read

‘A growing machine’: Scotland looks to vertical farming to boost tree stocks

It is a long way from the romance of a sun-dappled Highland glen. Picture instead a white cube equipped with the computer-controll...

• 4 min read

An Australian startup is “growing” water for drought-parched California

Water is California's most precious commodity these days, as the state endures a drought that scientists are calling the worst ...

• 2 min read

Bitcoin mining more emissions-intensive than beef production, uses more energy than Austria, study finds

Bitcoin mining in 2020 used more energy than Austria or Portugal, and its emissions as a proportion of market value were comparab...

• 3 min read

Ships are turning whales into ‘ocean roadkill’. This AI system is trying to stop it

Fran was a celebrity whale – the most photographed humpback in the San Francisco Bay, with 277 recorded sightings since 2005. La...

• 4 min read

Can Europe decarbonise its heavy industry?

SWEDISH STEEL is considered the world’s toughest. It may soon become its greenest. In Boden, a town near the Arctic Circle, a s...

• 5 min read

To build for a warming planet, architects look to nature – and the past

Fifteen years ago, Kyle Isacksen and his wife, Katy Chandler, lived in what most people in their home city of Reno, Nevada, would ...

• 13 min read

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