Technology
The World Needs to Crack Battery Recycling, Fast
The shift to electric vehicles is exciting, but it will leave us with thousands of tonnes of spent batteries.
Citizen Zoo Is Rewilding the UK, One Grasshopper at a Time
The London-based social enterprise is turning regular people into at-home zookeepers.
How to Stay Cool Without Warming the Planet
The race is on to create climate-friendly air-con technology.
Scientists Are Tinkering With Clouds to Save the Great...
Super-reflective clouds could shelter coral from scorching sunlight. But environmentalists are concerned that such plans could prolong...
A Crypto Company Thinks It Can Help Fight Climate Change
Toucan is leveraging blockchain to reinvent the carbon credit market. But thorny questions abound.
Brace Yourself For the Comeback of Citizen Scientists
From water-testing polluted rivers to measuring radiation levels, ordinary people are taking environmental research into their own...
The Future of EV Charging is Bidirectional, If You Can...
Idle electric vehicles could act as massive batteries for homes and the energy grid. But the technology to pull this off is tricky.
People Hate the Idea of Car-Free Cities—Until They Live...
Removing cars from urban areas means lower carbon emissions, less air pollution, and fewer road traffic accidents. So why are residents...
Flooding Wetlands Could Be the Next Big Carbon Capture...
The Nywaigi people in Australia have discovered a way to sequester carbon, boost coastal biodiversity, and create jobs.
Illegal Trawlers Are No Match for Undersea Sculptures
Trailing weighted nets across the seabed wrecks fish stocks and kills carbon-capturing seagrasses—but one fisherman’s sculpture project...