1-Because I believe in Science and the need to explore the Universe.
2-It is a positive effort and good for humanity. It would be tragic to see it stop due to a lack of funding.
3-Get on TV, Market it more. Explain the very high level science to gain support and more participants.
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.
