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Grim research suggests that alien civilizations are likely killing themselves as a result of climate change

A new model suggests that an advanced alien civilization could take less than 1,000 years to destroy its own planet due to climate change, even if it relies solely on renewable energy.

When astrophysicists simulated the rise and fall stranger found that if a civilization experienced exponential technological growth and energy consumption, it would take less than 1,000 years before an alien planet became too hot to be habitable. This would be the case even if civilization used renewable energy sources, due to inevitable leakage in the form of heat, as predicted by the laws of thermodynamics. The new study has been submitted to the preprint database arXiv and is under review.