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The 'Great Dying' — the worst mass extinction in our planet’s history — didn’t reach this isolated spot in China

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Scientists have identified a refuge in China where it seems that plants weathered the planet's worst die-off.

The end- Permian mass extinction, also known as the " Great Dying ," took place 251.9 million years ago .

In this place, seed-producing gymnosperm forests continued to grow, complemented by spore-producing ferns.

Finding adds weight to the idea that the Great Dying was more complicated on land than in the seas.

Study finds greenhouse gas pulses from volcanoes were on a similar scale to what humans are expected to emit by the end of this century .

The polar ice caps melted completely, causing sea levels to rise 230 feet ( 70 meters ) today .

Studying ancient catastrophes can give us a sense of what to expect under atmospheric carbon dioxide levels people have never experienced, Gastaldo said.