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Arctic ice is melting, sea levels are rising, and glaciers are shrinking at alarming rates. And 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.
Scientists explore the skies to examine the warming effects of the sun and dig deep into the Earth to study continental movement and the volatile activity at the planet s core. Experts speculate on how natural events, including volcanic eruptions and massive meteor impacts, have affected temperatures and weather systems over the planet s 600-million-year history.
Shot on location at some of the most breath-taking locations on the planet, and filled with dynamic special effects, A GLOBAL WARNING? is a captivating look at the Earth s climatic evolution and a study of the longevity of our planet--and man s future on it.
DVD Features: Additional Scenes
This review of climate change over millions of years explains several reasons for climate change as well as the scientific evidence documenting it. Read morePublished on December 17, 2012 by Caroline
A love story for the man-made or anthropogenic crowd. Uses many many adjectives to describe the dire consequences that are "just around the corner. Read morePublished on December 12, 2012 by TDF
A someone looking for facts on climate change AND a conclusion as to what those facts actually mean, this documentary promised much more than it delivered. Read morePublished on July 25, 2010 by Valiant S. Vetter