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Earth

Green invention special: Long-life solar cells

This week's "green" patent applications include a protective coating for solar cells, a way of predicting the health effects of nanotechnology, and a light-fed bioreactor

News

Solar cell speeds hydrogen production

Technology

Solar cell speeds hydrogen production

News

The power walk that charges your phone

Technology

The power walk that charges your phone

News

Biofuels emissions may be 'worse than petrol'

Earth

Biofuels emissions may be 'worse than petrol'

News

US pulls the plug on flagship clean coal project

Earth

US pulls the plug on flagship clean coal project

News

Super-efficient car to green up the highway

Earth

Super-efficient car to green up the highway

Features

Algae hold the key to the biofuel conundrum

Earth

Algae hold the key to the biofuel conundrum

News

Pitter-patter of raindrops could power devices

Earth

Pitter-patter of raindrops could power devices

News

Technology

Editorial: Don't mess with nuclear safety

Opinion

Technology

Sacking of nuclear official prompts row

The Canadian Nuclear Safety Commission's decision to close a reactor critical for medical supplies has cost its chief her job

News

Earth

Europe unveils ambitious energy plan

News

Editorial: Supporting role for nuclear power?

Opinion

Earth

Carbon-trading plans could boost nuclear power

News

Technology

'Smart heating' fits the bill

News