I think a good ad would use the ticking clock soundtrack and parody the style from the Republican Osama ad with captions like the following (the URLs are for sourcing purposes)
(Picture or vid of 1906 quake)
"The USGS has estimated a 62 percent chance of a magnitude 6.7 or larger earthquake in the Bay Area within the next 28 years" John Rundle, UC Davis
http://news.nationalgeographic.com/news/2005/10/1011_051011_quake_model.html(Picture or vid of St. Helens eruption)
Mount St. Helens is acting up.
The Yellowstone National park supervolcano is bulging.
"We're not sure yet if this is a normal episode or not," Charles Wicks, USGS
(Picture of comet)
Every 62 million years or so there is a massive change to the earth.
The last one was about 65 million years ago.
"What we're seeing is a real and very strong signal that the history of life on our planet has been shaped by a 62 million year cycle" -- Richard Muller UC Berkeley
http://www.lbl.gov/Science-Articles/Archive/Phys-fossil-biodiversity.htmlWill we be ready?
(fade in picture of Katrina Aftermath)
Or will we still be electing cronies?
These are the stakes.
Vote pro-science. Vote pro-people. Vote Democratic.