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dark energy

Current power: New tide turbines tap oceans of energy

Earth

Current power: New tide turbines tap oceans of energy

The huge potential of ocean currents could at last be tapped, thanks to the latest generators now being trialled on the seabed. Fred Pearce reports

Features

Coconuts and sunshine will power South Pacific islands

Earth

Coconuts and sunshine will power South Pacific islands

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Portable ammonia factories could fuel clean cars

Earth

Portable ammonia factories could fuel clean cars

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Health

Fukushima media coverage 'may be harmful'

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End of Libyan war unlikely to affect global oil supply

Earth

End of Libyan war unlikely to affect global oil supply

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New power wave heads out to sea

Earth

New power wave heads out to sea

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Briefing: Security fears over laser-enriched uranium

Technology

Briefing: Security fears over laser-enriched uranium

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Did quake or tsunami cause Fukushima meltdown?

Earth

Did quake or tsunami cause Fukushima meltdown?

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Earth

Biggest UK oil spill for 10 years

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Star power: Small fusion start-ups aim for break-even

Technology

Star power: Small fusion start-ups aim for break-even

Nuclear fusion will cost a fortune – or will it? A new wave of upstart companies think they've found cheaper, quicker ways to build a second sun

Features

Earth

The carbon cost of Germany's nuclear 'Nein danke!'

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Earth

Japanese power cuts linked to heatstroke deaths

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Earth

Polymer sandwich harvests electricity from waste heat

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Earth

Australia's shiny new carbon tax is an empty promise

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