The fight for iron sands: the bitter battle to protect New Zealand’s sea-floor riches

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My dad’s dying gift to me: a love of butterflies

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The number of hikers visiting US national parks is increasing. So is the challenge of keeping them safe

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Is the hydrogen vehicle dream over? Australian car buyers are making their choice clear

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Slow the growth, save the world? Why declining birth rates need not mean an end to prosperity

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‘It’s sometimes right to disobey laws’: Doctor suspended for Insulate Britain protests speaks out

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‘Nobody ever saw anything like this before’: how methane emissions are pushing the Amazon towards environmental catastrophe

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Country diary: A little madness contained in the crop | Kate Blincoe

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Will a single European airspace cure air traffic control woes – and cut CO2?

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Arsenic and old sugarcane: cleaning up Hawaii in the fallout from wildfires

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