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Formation of a Supercontinent:
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In about 250 million years, the Earth will likely host one giant supercontinent resembling ancient Pangea, formed by plate movements.
Uninhabitable Conditions:
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The future supercontinent will likely be scorching, with temperatures between 104°F to 158°F, rendering it uninhabitable for mammals, including humans.
Rising CO2 Levels:
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The Sun will emit 2.5% more solar radiation and CO2 will create a "triple whammy" effect intensifying the future supercontinent's heat.
Sun's Increased Radiation:
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The interior of the supercontinent will be paradoxically scalding and dry, unlike its milder seaboard.
Continentality Effect:
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Extreme aridity and heat pose fatal challenges for mammals, threatening human survival.
Impact on Mammals:
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Extreme aridity and heat pose fatal challenges for mammals, threatening human survival.
Long-term CO2 Outlook:
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Researchers foresee a potential doubling in atmospheric CO2 levels, from 400 ppm today to over 600 ppm, drastically altering Earth's habitability.
Need for Climate Action:
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Addressing today's climate crisis can lessen both immediate and foreseeable effects on human well-being.
Adaptation or Extinction:
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For future human survival on scalding Earth, adaptation or extraterrestrial relocation might be essential.
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Urgent action against climate change is vital to achieve net-zero and preserve Earth's habitability.