Radio and Lacer Emissions Are the Best Sources of Information About Intelligent Life

If we were to look at the spectrum reflected from earth right now, you might notice some absorption lines from unusual chemicals like floral carbons. Some people have proposed that we should be looking for radiation emissions like ife playing around with newkes too much. It's probably hard to detect from a long distance any active nuclear ward, too much radio activity. And certainly, if you find a plant that has a lot of very weird suit in the atmosphere, that might be a hint that ever that'ste big forest fires or tey're having bad politics over there.