Global Warming as a Detectable Thermodynamic Marker of Earth-like Extrasolar Civilizations: A Case for the Colossus Telescope Posted on January 26, 2015 by UHNAI Webmaster in Kuhn, J., Berdyugina, S. (). Global Warming as a Detectable Thermodynamic Marker of Earth-like Extrasolar Civilizations: A Case for the Colossus Telescope. , in press,