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

Germany is the greenest of industrialised nations when it comes to power generation, but its current struggle shows how difficult such choices can be

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

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Redesigned crops could produce far more fuel

Earth

Redesigned crops could produce far more fuel

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Coal fuelled China long before industrial revolution

Technology

Coal fuelled China long before industrial revolution

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Exxon to disclose extent of its carbon asset exposure

Earth

Exxon to disclose extent of its carbon asset exposure

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'Iron Man' plants are supercharged by nanotech power

Life

'Iron Man' plants are supercharged by nanotech power

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Last Word

Let there be light

Regulars

Clean energy or cheap energy? We can have both

Earth

Clean energy or cheap energy? We can have both

Rising energy bills don't mean we should give up on cutting our carbon emissions. Quite the opposite, says policy researcher Reg Platt

Comment

Earth

Formula 1 will spearhead greener cars for us all

Leader

Technology

7 tricks to keep F1 cars fast and fuel-efficient

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Earth

Massive stores of UK shale gas will tempt frackers

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Earth

Batteries of ice, iron and glass store renewable power

Analysis