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Green machine: Don't burn plant waste, bury it

Earth

Green machine: Don't burn plant waste, bury it

Converting plant waste to biochar leads to bigger cuts in carbon emissions than turning it into biofuels – and brings other benefits too

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Green machine: Plug-free electric cars' hidden cost

Technology

Green machine: Plug-free electric cars' hidden cost

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Green machine: Aircon that doesn't warm the planet

Earth

Green machine: Aircon that doesn't warm the planet

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Green machine: A salty solution for power generation

Earth

Green machine: A salty solution for power generation

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Smoke-detector isotope to power space probes

Space

Smoke-detector isotope to power space probes

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Technology

Alternative nuclear fuel is surprisingly reactive

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Green machine: A new push for pond scum power

Earth

Green machine: A new push for pond scum power

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Green machine: The dream of green cars meets reality

Earth

Green machine: The dream of green cars meets reality

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Green machine: Tackling the plastic menace

Earth

Green machine: Tackling the plastic menace

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Green machine: Bacteria will keep CO<SUB>2</SUB> safely buried

Technology

Green machine: Bacteria will keep CO₂ safely buried

Sequestering the carbon from fossil-fuel power stations can cut emissions – and there's a new recipe to keep it locked away underground

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Earth

Green machine: Recycled batteries boost electric cars

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Earth

Green machine: It's your eco-friendly funeral

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Earth

Green machine: Cars could run on sunlight and CO₂

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Earth

Green machine: Hitting the lights in wasteful offices

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