Global Warming: The Signs and the Science On November 2, 2005 at 8:00 pm, PBS will broadcast the program Global Warming: The Signs and the Science (Check local listings for dates and times in your area). This hour-long documentary profiles people who are living with the grave consequences of a changing climate, as well as the individuals, communities and scientists inventing new approaches to safeguard our children's future. Filmed across the U.S., Asia and South America, this program brings the reality of climate change to life and offers viewers a variety of ways to make a difference in their own communities. Click here to download a preview of the program (3 MB MPEG file)