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Alien civilizations are probably killing themselves from climate change, bleak study suggests

It may take less than 1,000 years for an advanced alien civilization to destroy its own planet with climate change, even if it relies solely on renewable energy, a new model suggests.

When astrophysicists simulated the rise and fall of alien civilizations, they found that, if a civilization were to experience exponential technological growth and energy consumption, it would have less than 1,000 years before the alien planet got too hot to be habitable. This would be true even if the civilization used renewable energy sources, due to inevitable leakage in the form of heat, as predicted by the laws of thermodynamics. The new research was posted to the preprint database arXiv and is in the process of being peer-reviewed.

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