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Pub. Date
2007.
Description
"Arctic ice is melting, sea levels are rising and glaciers are shrinking at alarming rates. The Earth is getting unmistakably warmer. But is this vast potentially catastrophic climate change the result of human behavior? Or is it simply the Earth's natural cycle of warming and cooling periods that have occurred since the planet formed? The History Channel offers an in-depth study of the science behind this controversial hot-button issue" --dvd container....
Pub. Date
2006.
Description
Former Vice President Al Gore explains the facts of global warming, presents arguments that the dangers of global warning have reached the level of crisis, and addresses the efforts of certain interests to discredit the anti-global warming cause. Between lecture segments, Gore discusses his personal commitment to the environment, sharing anecdotes from his experiences.