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Surviving the 21st Century

Julian Cribb

The megathreats to human survival; - and what we can do about them.

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Substack
PricingOnly free issuesPublishesWeekly
Issues168Founded4 years agoLast Issue3 days ago
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Latest Issues

Earth system is ‘breaking down faster’

The rate at which major life-sustaining Earth systems are breaking down under human mismanagement is accelerating, according to a concatenation of scientific warnings.

While the focus of human attention remains rivetted on the sideshows of...

3 days ago
87
20

Lament for the Cryosphere

The world’s governments have collectively decided to destroy the Earth’s frozen regions – its poles, glaciers, snowcaps, melt rivers and tundra – with catastrophic consequences for human survival on a rapidly heating planet.

That’s the hea...

6 days ago
41
7

How AI thinks it might end humans

Fig 1: an AI visualisation of AI making humans extinct…

Chat-GPT: “AI could theoretically make humans extinct if it became powerful enough to affect the world on a global scale and humans lost the ability to control its actions. But AI cau...

19 days ago
46
17

Children ‘at risk in a digital world’

The health of America’s children has undergone a disastrous decline in the last 20 years, according to 170 different measures, a new report has found. But the concern is not confined to the USA: in the digital age, it applies increasingly t...

21 days ago
21
7

The Earth is sick... and getting sicker.

The Earth is in poor health under human mismanagement, and its condition is growing steadily worse.

That’s the conclusion of the 2026 Planetary Health Check, a comprehensive evaluation by world-leading scientists of the planet’s ability to...

23 days ago
64
22

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  • Julian Cribb

    Hard news and strong views on the greatest emergency ever to face humans: food security, climate, extinction, planetary pollution, nukes, resources, AI, pandemics, overpopulation, misinformation.

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