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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

Record haul of uranium harvested from seawater

Earth

Record haul of uranium harvested from seawater

News

Lowest US carbon emissions won't slow climate change

Earth

Lowest US carbon emissions won't slow climate change

News

We're still on the slippery slope to peak oil

Earth

We're still on the slippery slope to peak oil

Comment

Space fuel crisis: NASA confronts the plutonium pinch

Space

Space fuel crisis: NASA confronts the plutonium pinch

Features

Japan could become second biggest solar power nation

Earth

Japan could become second biggest solar power nation

News

Nuclear fuel rods removed from Japan's Fukushima plant

Earth

Nuclear fuel rods removed from Japan's Fukushima plant

News

Fukushima increases risk of cancer – but not by much

Health

Fukushima increases risk of cancer – but not by much

News

$Can fracking contaminate drinking water?$

Earth

Can fracking contaminate drinking water?

News

Graffiti battery lets you spray paint power supply

Technology

Graffiti battery lets you spray paint power supply

Five sprayable paints form a lithium-ion battery when layered together, letting you store energy on walls, tiles or even your favourite mug

News

Earth

Japan prepares to switch nuclear reactors back on

News

Earth

Renewable energy's growing pains

News

Earth

Japan to renege on carbon emissions cuts

News

Earth

Nuclear transmutation is a cool idea for a hot problem

Opinion