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'Ominous milestone for the planet': Arctic Ocean's 1st ice-free day could be just 3 years away, alarming study finds

The Arctic's ice cover could dip below a crucial threshold as soon as 2027, and will do so inevitably in the next 20 years if greenhouse gas emissions continue, scientists warn.

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New evidence suggests that Venus never had oceans; a Cambridge study of Venus’s volcanic emissions indicates that the planet’s interior is too dry to have once supported large quantities of water.

« We are fast approaching the sun's 'battle zone' — and it could be even worse than solar maximum, experts warn