Earth
China surges ahead on clean energy spending
The nation will invest more than $10 billion on wind, solar, hydropower, and biofuels this year 鈥� double the US spend in 2006
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Physics
Plugging into the Sun
Features
Earth
Cheap hydrogen power gets a nanotube boost
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Technology
Nanotube tangles power printable batteries
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Earth
China on target to meet renewable energy goal
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Earth
Hydrogen brewing gets an electrical boost
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Earth
The return of coal poses a huge climate threat
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Earth
China special: The solar power king
Features
Earth
Hydrogen power lights up the seas
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Earth
‘Humanity at risk’ from ecological debt
A UN planetary health assessment shows we need 1.4 Earths to sustain our lifestyles, prompting calls for more sustainable living
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Earth
Bush administration’s nuclear plan criticised
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Earth
Waste wafers give solar power a silicon boost
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Earth
Depleting oil supplies threaten ‘meltdown in society’
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Earth
Brazil rides biofuel bandwagon to Africa
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