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Posts by Julian Cribb

My intro to the polycrisis was his 2016 book "Surviving the 21st century: Humanity's 10 great challenges & how we can overcome them." Here he asks:

"What will be history’s verdict on a civilisation that can invent artificial intelligence – but hasn’t the brains to manage and recycle its own waste?"

3 days ago 4 3 0 0
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Turning waste into wealth Every year the world tips US$30 trillion’s worth of valuable materials into its garbage tips, waterways, the atmosphere and other dumping grounds.

Turning waste into wealth...
cribb.substack.com/p/turning-wa...

2 days ago 2 0 0 0
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Up to our eyeballs in 💩💩💩 Every day humans produce more than a megatonne of excrement and then distribute half of it around the Earth without treatment.

Up to our eyeballs in 💩💩💩
cribb.substack.com/p/up-to-our-...

1 week ago 4 1 0 1
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Overpopulation is pushing Earth past breaking point Scientific evidence shows humanity has exceeded Earth’s long-term carrying capacity, placing growing strain on the systems that sustain life and increasing the risk of global instability.

Pushing the Earth past breaking point johnmenadue.com/post/2026/04...

1 week ago 8 5 0 0
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What if we had a 'small nuclear war'? As West Asia stumbles towards a ‘small nuclear war’, it is time to evaluate the consequences for the entirety of humanity and the Planet.

Thank you, @juliancribb.bsky.social for this important warning!
Even a "small #nuclearwar" would cause a global #collapse of #economy, #society. We need to overcome #hypernormalization & resist governments that put our lives and future at #risk with #war, #genocide
cribb.substack.com/p/what-if-we...

3 weeks ago 9 5 0 0

Having slain over 200 million people since 1850, it is arguable that the nation state is the most destructive invention humans have ever made – and maybe it is now time to consign it to the garbage tip of history before it destroys us all.

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The greatest threat facing humanity is not oil prices or even regional war. It is the destabilisation of the entire Earth System which sustains all life on this planet

=> Global Challenges Foundation 2026 report on Catastrophic Risks
via @juliancribb.bsky.social
globalchallenges.org/app/uploads/...

1 month ago 8 2 1 1
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The Bells of Hell The Bells of Hell go ting-a-ling-a-ling

The Bells of Hell
cribb.substack.com/p/the-bells-...

1 month ago 3 4 0 1
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The Age of Lies and the threat to civilisation A global surge of misinformation – amplified by social media, AI fakery and organised disinformation campaigns – is corroding the foundations of democratic decision-making and public trust.

johnmenadue.com/post/2026/03...

1 month ago 2 2 0 0
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The Age of Lies Arguably, the most dangerous pandemic ever to strike humanity is the plague of deliberate misinformation, mass delusion and unfounded belief which is engulfing 21st Century society.

The Age of Lies
cribb.substack.com/p/the-age-of...

1 month ago 6 5 0 1
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Our rising Oceans In what must rate as one of the worst forseeable disasters ever to confront humanity, the remorseless rise in the oceans will menace the homes and livelihoods of a billion people before the end of the...

Our rising Oceans
cribb.substack.com/p/our-rising...

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"The fossil fuels sector is the primary driver of both CO2 and CH4 emissions and is showing every intention of increasing its activity. It screens this lethal activity behind a barrage of dishonesty, disinformation, distortion, and diversion." - Julian Cribb #global #climatechange #science #earth

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"But we also need a majority of wise women in positions of power if we are to escape the fate which male aggression, overconsumption and overpollution are building for us. And a majority female population, engendered by global heating, could just help to achieve that."

1 month ago 5 2 1 0

To feed just one average person per day takes 950 litres of water, 12 kilos of lost soil, 1.6 litres of fossil fuel, 1g of highly toxic pesticide and 4.9 kilos of carbon emissions.

1 month ago 2 2 0 0
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Will climate change put women in the ascendant? In one of the more startling side-effects of global warming, the hotter it gets, the more babies are being born female.

Will climate change put women in the ascendant?
cribb.substack.com/p/hot-planet...

1 month ago 4 2 1 1

Even desal will not supply water for agriculture, which is the main user of fresh water. No water, no food.

1 month ago 1 0 0 0
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Water bankruptcy is no longer a future threat Across large parts of the world, water demand now permanently exceeds supply. This is not a temporary crisis but a condition of irreversible scarcity driven by overuse, climate change and population pressure.

Water scarcity is no longer a passing crisis. In many regions demand now permanently exceeds supply – a condition experts call water bankruptcy, @JulianCribb writes.
#climate #water #environment #population #sustainability

1 month ago 20 16 4 2

"Unless humans very quickly learn to think of #water as finite, and to realise our numbers have outrun the supply, then global water bankruptcy awaits us all. And that is very much worse than fiscal bankruptcy." - Julian Cribb

1 month ago 8 5 0 0
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When the water runs out... The clearest sign that the human population has outrun the Earth’s ability to support us comes when key resources begin to collapse under the unrelenting pressure of our demands.

cribb.substack.com/p/when-the-w...

1 month ago 3 2 0 0
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When the water runs out... The clearest sign that the human population has outrun the Earth’s ability to support us comes when key resources begin to collapse under the unrelenting pressure of our demands.

cribb.substack.com/p/when-the-w...

1 month ago 5 3 1 2

Good mournings #doomisphere 🤗

"The #rivers that are the #lifeblood of the planet and of human civilisation are #dying.

Worldwide, the #evidence is unequivocal, massive, #unchallengeable.

For over seven thousand years, most cities and towns have been situated in river valleys.

3 months ago 6 3 2 0
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Are politicians dumber than algae? The corals of the world are telling us something that most government and politicians – whether through corruption, fear or impenetrable ignorance – are unwilling to divulge: our planet is now heating...

Are politicians dumber than algae?cribb.substack.com/p/are-politicians-dumber...

2 months ago 6 3 0 1

“Humanity now faces perhaps the biggest choice it will ever make: continue down the road to a future devastated by climate change, dwindling nature, degraded land, and polluted air, land and water, or change direction to secure a healthy planet, healthy people and prosperity for all.” (UN Sept 2025)

2 months ago 4 5 0 0
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Are politicians dumber than algae? The corals of the world are telling us something that most government and politicians – whether through corruption, fear or impenetrable ignorance – are unwilling to divulge: our planet is now heating...

Are politicians dumber than algae?cribb.substack.com/p/are-politicians-dumber...

2 months ago 6 3 0 1
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The collapse of Nature ... and what it means for us.

open.substack.com/pub/cribb/p/...

2 months ago 10 7 1 3
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Collapse is near, scientists warn The apocalypse of civilization is now closer than it has ever been in the whole of human history.

cribb.substack.com/p/collapse-i...

2 months ago 3 2 0 1

The overseas wars are necessary to distract Americans from their own enslavement and repression… as in the Galtieri regime in Argentina.

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De-icing the Earth: a fatal human choice. Having just achieved the hottest three years in recorded history, humans are well on the way to returning the planet to the ice-free state it experienced when dinosaurs last ruled.

Destroying the Earth's only cooling plant will destroy humans too...

3 months ago 9 3 0 0
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Ten threats, one emergency: how to become Earth Citizens Humanity is facing a compounding crisis driven by population growth, consumption, pollution and power. These interconnected threats cannot be addressed one by one if civilisation is to endure.

johnmenadue.com/post/2025/12...

3 months ago 5 2 0 0

There is little of significance in the global climate data which suggests any political will is going to be applied to actually reduce fossil fuel emissions & arrest the upward, & accelerating, trend of global warming

3 months ago 2 1 0 0