The Guardian view on hydrogen hype: it’s perhaps not as green as you think | Editorial

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What would happen to Earth if it were to cool, rather than heat, by 1.5C?

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London Ulez residents ‘offered £100 a month’ for parking spaces to avoid fee

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How to stay cool without air con – and help take some heat off the planet

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How 19th-century pineapple plantations turned Maui into a tinderbox

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New dawn for Arctic’s first people: the Inuit plan to reclaim their sea

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‘I’m not the guilty one’: the water protector facing jail time for trying to stop a pipeline

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Farmer’s wife Helen Rebanks: ‘There was a fire in me about speaking up for the women who hold things together’

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‘The UK’s importing of food is a travesty’: farmer’s wife Helen Rebanks tells her own story

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Melbourne has treated the Yarra River terribly – but it doesn’t have to stay that way

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