Finding life in space by looking for extraterrestrial pollution

coondoggie writes: If what we know as advanced life exists anywhere other than Earth, then perhaps they are dirtying their atmosphere as much as we have and that we could use such pollution components to perhaps more easily spot such planets in the universe. That’s the basics of new research put for this week by researchers at the Harvard-Smithsonian Center for Astrophysics that stated if we could spot the fingerprints of certain pollutants under ideal conditions, it would offer a new approach in the search for extraterrestrial intelligence.