00:03Global warming is a real existential threat to humanity, and while we face this in an attempt to reel in
00:09our use of burned fuels,
00:10a new study posits alien civilizations could be going through the same thing.
00:15Since the industrial revolution, our planet has been warming at an accelerated rate,
00:19with scientists saying the speed has tripled in just the last few decades.
00:23However, the new analysis outlines that even if an alien civilization was more careful than us
00:27and use less toxic energy sources, they would eventually be in the same boat anyways.
00:32That's because as we know it, energy means heat, and as our population grows, our reliance on more and more
00:37energy does as well.
00:39With one of the authors telling Universe today, the current waste is minimal, though they add,
00:43quote, however, if heat production proceeds on an exponential trajectory for the next century,
00:48a further 1.8 degree Fahrenheit rise in temperature may stem from waste heat, independent of any enhanced greenhouse effect
00:55because of fossil fuels.
00:56So what would that mean for an alien species?
00:58Well, once they get to the point of being a civilization living in a post-industrial world,
01:02the researchers' calculations point to a 1,000-year timeline before exponential population growth and the accompanying waste heat put
01:10them in the same situation as us.
01:12Though they add other species might employ super advanced technology, like solar shielding, or relocate their civilizations altogether.
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