Скачать или смотреть What If Earth’s Oxygen Level Suddenly Doubled?

We think oxygen means life.
But doubling it would push Earth toward chaos.

With twice the oxygen, fires would ignite more easily and burn far hotter. Forests wouldn’t just catch fire — they would explode. Lightning strikes could trigger unstoppable global wildfires.

Animals, including humans, would suffer oxygen toxicity. Our lungs and nervous systems are not built for that concentration. Breathing would damage tissue instead of sustaining it.

Insects would grow far larger, fires would reshape ecosystems, and the balance that keeps life stable would collapse. The planet wouldn’t become more alive — it would become dangerously unstable.

Earth’s current oxygen level isn’t an accident.
It’s a razor-thin balance that makes life possible.

This video explores what happens when that balance breaks.

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