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Sun-focusing satellite dish heats water on your roof

Technology

Sun-focusing satellite dish heats water on your roof

Concentrated solar power is no longer confined to the desert: soon it might be on your roof, heating your bathwater

News

We can't be too fussy when it comes to green energy

Leader

Start-ups fuel boom in small-scale nuclear power

Technology

Start-ups fuel boom in small-scale nuclear power

Analysis

London mayor Boris talks brain scans and robot cars

Earth

London mayor Boris talks brain scans and robot cars

Opinion

Almost half of new electricity is now clean and green

Earth

Almost half of new electricity is now clean and green

News

Redesigned crops could produce far more fuel

Earth

Redesigned crops could produce far more fuel

News

Coal fuelled China long before industrial revolution

Technology

Coal fuelled China long before industrial revolution

News

Exxon to disclose extent of its carbon asset exposure

Earth

Exxon to disclose extent of its carbon asset exposure

News

'Iron Man' plants are supercharged by nanotech power

Life

'Iron Man' plants are supercharged by nanotech power

News

Last Word

Let there be light

Regulars

Technology

7 tricks to keep F1 cars fast and fuel-efficient

News

Earth

Clean energy or cheap energy? We can have both

Comment

Earth

Formula 1 will spearhead greener cars for us all

Leader

Earth

Massive stores of UK shale gas will tempt frackers

News