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What would a world without fossil fuels look like?

Earth

What would a world without fossil fuels look like?

Our advanced civilisation is built on easily exploited coal, oil and gas. 91av explores an alternative history that holds lessons for us all

Features

Lighting cities with cheap, glaring LEDs is a dim move

Earth

Lighting cities with cheap, glaring LEDs is a dim move

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Space

One Per Cent

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Physics Nobel won for invention of blue LEDs

Technology

Physics Nobel won for invention of blue LEDs

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Snowflake-shaped networks are easiest to mend

Technology

Snowflake-shaped networks are easiest to mend

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Sunflower solar harvester provides power and water

Technology

Sunflower solar harvester provides power and water

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UN ready for climate change talks in New York

Earth

UN ready for climate change talks in New York

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Temperature-driven clock sparks new kind of generator

Technology

Temperature-driven clock sparks new kind of generator

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China clamps down on dirtiest coal to curb pollution

Earth

China clamps down on dirtiest coal to curb pollution

News

$Leaky wells, not fracking, polluted US drinking water$

Earth

Leaky wells, not fracking, polluted US drinking water

The act of fracking is probably not contaminating US drinking water – the real problem is leaks from the wells that bring natural gas to the surface

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Earth

Urban wastelands worth millions for what they give us

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Space

Water-splitter could make hydrogen fuel on Mars

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Earth

Want to grow the UK economy? Invest in green energy

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Earth

'Reckless' BP faces $18bn fine for Deepwater oil spill

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