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Green Machine

Ethiopia switches on Africa's largest wind farm

Earth

Ethiopia switches on Africa's largest wind farm

The country's green economy is booming, but it will be a while before most Ethiopians feel the benefit

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Earth

Green Machine: Fill up your car with hydrogen beads

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Earth

Green Machine: Bugs and sparks turn salty water fresh

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Earth

Green Machine: Markets hint at 100-year energy gap

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Earth

Green machine: Heat scavengers come in from the cold

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Green machine: Trees may spell trouble for wind power

Earth

Green machine: Trees may spell trouble for wind power

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Green machine: Where do solar cells go when they die?

Earth

Green machine: Where do solar cells go when they die?

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Green Machine: Wind farms make like a fish

Earth

Green Machine: Wind farms make like a fish

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Green machine: Why our walls really should have ears

Earth

Green machine: Why our walls really should have ears

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Green machine: Squeezing solar juice from jellyfish

Technology

Green machine: Squeezing solar juice from jellyfish

From jellyfish to algae, the creatures of the sea are being recruited for solar power cells

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Earth

Green machine: Perfecting the plant way to power

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Earth

Green machine: Wave power line jacks into the grid

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Earth

Green machine: Fighting the efficiency fallacies

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Earth

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

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