Watering Wednesday campaign aims to get UK streets to look after local trees

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Human gene identified that prevents most bird flu viruses moving to people

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‘Whatever it takes’: the activists who risk prison to shatter Australia’s climate complacency

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‘It gets worse every day’: why are sea lions and dolphins dying along California’s coast?

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A polar bear theatre in Rotterdam zoo: Sheng-Wen Lo’s best shot

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So what if fossil fuel lobbyists have to declare themselves at Cop28? That won’t curb their power| Amy Westervelt

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Call for Thames Water inquiry after children fell ill after swimming in river

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Down the drain: how billions of pounds are sucked out of England’s water system

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Hotter, faster fires: can Canada preserve its threatened wildlife?

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A couple’s quixotic quest to save their drowning island – one rock at a time

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