Well,
Milan M. Ćirković and Richard B. Cathcart think it's a distinct possibility. In fact, it may even (partly) explain the Great Silence. Check out the abstract to their article, "Geo-engineering Gone Awry: A New Partial Solution of Fermi's Paradox":
Technological civilizations arising on such planets will be, at some point of their histories or another, tempted to embark upon massive geo-engineering projects. If, for some reasons only very recently understood, large-scale geo-engineering is in fact much more dangerous than previously thought, the scenario in which at least some of the extraterrestrial civilizations in the Milky Way self destruct in this manner gains plausibility. In addition, we speculate on possible reasons, both physical and culturological, which could make such a threat even more pertinent on an average Galactic terrestrial planet than on Earth.
Be sure to read the
entire article (PDF). Learn more about
geoengineering. And be sure to read
Jamais Cascio's article, "
It's Time to Cool the Planet."
Well, Milan M. Ćirković and Richard B. Cathcart think it's a distinct possibility. In fact, it may even (partly) explain the Great Silence. Check out the abstract to their article, "Geo-engineering Gone Awry: A New Partial Solution of Fermi's Paradox":
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