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Earth

Revealed: The renewable energy scam making global warming worse

The largest source of "clean" energy is not reducing carbon emissions by as much as official figures claim – and it is causing immense harm to the poor and to wildlife

Insight

My cacti could generate electricity and help curb climate change

Technology

My cacti could generate electricity and help curb climate change

Opinion

Clever clams and algae show how best to harvest light

Earth

Clever clams and algae show how best to harvest light

News

Kelp wanted: Pioneering the seaweed farm of the future

Earth

Kelp wanted: Pioneering the seaweed farm of the future

Features

Chimera enzyme may make better biofuels from waste

Earth

Chimera enzyme may make better biofuels from waste

News

Redesigned crops could produce far more fuel

Earth

Redesigned crops could produce far more fuel

News

60 Seconds

News

Bacteria churn out first ever petrol-like biofuel

Earth

Bacteria churn out first ever petrol-like biofuel

News

Biofuel that's better than carbon neutral

Earth

Biofuel that's better than carbon neutral

Features

Even greener alternative: Energy from algae

Earth

Even greener alternative: Energy from algae

Oil is running out, but biofuels guru Jonathan Trent says algae is an alternative that can produce oil while cleaning wastewater – and feeding us too

Opinion

Earth

Water shortages hit US power supply

News

Earth

Renewable energy's growing pains

News

Earth

Renewable oil: Ancient bacteria could fuel modern life

News

Earth

US navy chief: I'm on a mission to stop using oil

Opinion