Technology
Salt batteries are about to shake up EVs and grid storage
Today, most rechargeable batteries are made from lithium ions, but sodium-ion alternatives could make battery tech much cheaper and offer other advantages
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Environment
The Iran war is exposing the huge risks in our food system
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Environment
Mining for renewable tech inflicts huge damage. Is there a solution?
Features
Earth
Could natural hydrogen from underground help the UK get to net zero?
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Environment
A clean energy source may be lurking beneath mountain ranges
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Earth
Earthquakes could be an overlooked source of underground hydrogen fuel
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Environment
Zero-carbon shipping fuel could be a new source of pollution
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Environment
Are vast amounts of hydrogen fuel hidden below Earth’s surface?
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Environment
Extreme heat is now making cities unlivable. How can we survive it?
Features
Environment
Why do we burn more coal and wood than ever, asks a provocative book
In More and More and More, Jean-Baptiste Fressoz argues that tackling climate change means rethinking our history of energy consumption – and exposing the green transition as a fiction
Culture
Environment
Shipping companies are testing biofuel made from cashew nut shells
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Physics
Nuclear fusion experiment overcomes two key operating hurdles
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Environment
Chemical injection brings dying batteries back to life
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Environment
Battery breakthrough lets electric cars run longer in extreme cold
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