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Earth

Big boost to US renewable energy could cost nothing

Switching a large fraction of US energy to renewable sources by 2025 could involve no increase in cost, as long as current price trends hold firm

News

Take a leaf out of nature's book to tap solar power

Life

Take a leaf out of nature's book to tap solar power

News

Earth

IEA's U-turn on energy growth

News

Technology

Geothermal power plants could also consume CO2

News

Technology

'Nanoporous' material gobbles up hydrogen fuel

News

Wave-powered 'ducks' could purify seawater

Technology

Wave-powered 'ducks' could purify seawater

News

World faces 'dirty, insecure' energy future

News

Technology

Clean green hydrogen-making machine created

News

Technology

Pulsing gels could power tiny devices

News

Solar sailing – poised to take off

Earth

Solar sailing – poised to take off

Sun, solar-panelled sails and a sea breeze – they're all a modern ferry needs

Features

Earth

Is Venezuela's pipeline the highway to eco-hell?

News

Earth

Biofuel made from power plant CO₂

News

Technology

AA battery charges through USB port

News

Earth

Small-scale renewable power – low-wattage thinking?

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