Taking place at a small theatre in Los Angeles, the documentary examines how the rate of seawater is warming and how polar caps are melting. Gore shows how the accelerating hydrological cycle drives more droughts and intense downpours. Gore explains in the film how increasing temperatures and pressure gradients cause greater wind speeds and wider swings in weather. His multimedia presentation includes a collection of graphs, photographs, and other imagery to describe the greenhouse effect, changes in atmospheric carbon dioxide concentrations throughout history, human energy use and population growth, and how all these forces contribute to global warming.

The idea to document Gore's awareness efforts came from producer Laurie David, who saw his presentation at a town hall meeting on global warming. Ms. David was so inspired by his slide show that she, with producer Lawrence Bender, met with Guggenheim to adapt the presentation into a documentary film.

An Inconvenient Truth premiered at the 2006 Sundance Film Festival and was a critical and commercial success, winning two Academy Awards for Best Documentary Feature and Best Original Song.

Since its release, An Inconvenient Truth has been credited with raising international public awareness of global warming and reenergizing the environmental movement.

Al Gore - The Case for Optimism on Climate Change

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