Global dimming explained in 60 seconds | Super volcanoes and global diming

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   • Volcanic Winter What Happens When Super vo...  

What if the greatest threat to human civilisation isn’t fire, floods, or rising seas; but cold, darkness, and ash?

In this video, we explore the terrifying reality of a super volcano eruption and the cascading global collapse it could trigger. From the moment ash blots out the sun to the years-long aftermath of a volcanic winter, this is a journey through one of Earth’s most devastating natural events, and humanity’s fragile place within it.

A super volcano doesn’t just explode, it rewrites the planet: towering ash plumes, shockwaves, regional devastation, and impact the entire globe within days.

Volcanic aerosols choke the atmosphere, triggering global dimming and sudden temperature drops. We examine how crops fail almost immediately, famine spreads within months, and modern infrastructure; power grids, communications, and transportation begins to collapse.

What happens when supply chains snap? When food, fuel, and medicine stop moving? Think mass migration, resource conflicts, and why governments and emergency systems are dangerously unprepared for a prolonged, planet-wide crisis.

A true volcanic winter could last years or decades. Expanding ice caps, falling sea levels, and a permanently altered climate force humanity to adapt or perish. Underground living, artificial food systems, and radical social change may become the only path forward.

This isn’t science fiction. Earth has done this before and it will again.