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Six degrees could change the world [digital videodisc] / producer/director, Ron Bowman ; writer, Ed Fields, Ron Bowman ; produced by National Geographic Television.

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[Washington, D.C.] : National Geographic ; Burbank, CA : Distributed by Warner Home Video, c2008.

Global warming.

Earth temperature.

Global temperature changes.

1 videodisc (90 min.) : sd., col. ; 4 3/4 in.

Widescreen version.

A warmer world -- CO2, the hidden price -- Plus one degree -- Carbon footprint -- Plus two degrees -- Accumulating loss of polar ice -- Plus three degrees -- Forecasting our climate -- New generation of super storms -- Plus four degrees -- Impact of rising sea levels -- Plus five degrees -- Plus six degrees -- Looking for solutions -- Alternate sources of energy.

Discusses why many scientists believe that the Earth's average temperature could rise by as much as six degrees Celsius by 2100. Explores what each rising degree could mean for the future of humanity and our planet. Illustrates how global warming has already affected the reefs of Australia, the ice fields of Greenland, and the Amazonian rain forest. Explains what's real, what's still controversial, and how existing technologies and remedies could help dial back the global thermometer.

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