Global Warming: The Signs and the Science 2005 Synopsis - In this documentary, filmed throughout the U.S., Asia, and South America and originally aired on PBS Television, singer Alanis Morissette narrates as documentary filmmakers profile the people whose lives have been affected by global warming and explore the efforts made by scientists, individuals, and communities to make the planet safe for future generations. This 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.