‘Beast of Cumbria’: claimed leopard sighting fails to convince experts

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Herd of puppets to trek 20,000km to highlight urgency of climate crisis

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‘Taking the pulse of the planet’: could we monitor biodiversity from space as we do the weather?

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Weatherwatch: how ‘sun queen’ Mária Telkes pioneered solar power

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Country diary: A horned sheep, caught beneath a ‘kink’ | Paul Evans

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‘Nature will have her way’: how a desolate Perth shopping mall has been transformed into a sprawling wetland

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‘Safe’ air-quality levels in US, UK and EU still harmful for health, study says

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Biden considering major new executive actions for migrant crisis

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‘Why would we proceed’: House conservatives float yearlong spending stopgap as deadline looms

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John Avlon on Congress run: ‘This seat is winnable’

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