How science is uncovering the secrets of Stonehenge

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‘We pray for rain’: Ethiopia faces catastrophic hunger as cattle perish in severe drought

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Electric cars on show in Washington as Biden pushes for green revolution

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The kindest cut: the Australians fighting to save humpback whales tangled in fishing nets

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Thailand tries to contain ‘disaster’ oil spill from undersea pipeline – video

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Beachcombed sculptures made of ocean plastic – in pictures

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Chopping, twisting, felling: the unruly way to rewild Scotland’s forests

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‘It is desperate’: how Environment Agency staff were silenced as pollution worsened

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Humpback whale calf saved from shark net off Queensland coast – video

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Australian crawl: Christmas Island’s baby red crab migration – in pictures

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