Extraterrestrial life does exist but will not be discovered until they decide to visit us, but we should try to speed things up by trying to make contact. Humans should send out high power radio beacons pleading for help in reversing global warming.
SETI@home and Astropulse are funded by grants from the National Science Foundation, NASA, and donations from SETI@home volunteers. AstroPulse is funded in part by the NSF through grant AST-0307956.
