National Geographic: Six Degrees Could Change the World (2007)

Simply excellent

Alarming information, an excellent documentary.

Terrific production value, presents good information, easy to watch. Perfect for schools, families... this impacts us all.

A Must see. September 15, 2008

Informational but a little boring

The video has some very good, researched information, but it wasn't as thrilling as Planet Earth. It is still a very good video though and I learned a lot. July 25, 2008

The ultimate alarmist's exaggeration, based on "what if" scenarios the latest IPCC's 2007 Report no longer supports

I just can believe a reputable source as National Geographic supported this documentary. This is the kind of message that only helps to increase the distrust and more undesirable controversy regarding the theory of man-made global warming, and exaggerations not based on sound science only serve to provide ammunition for the radicals in the other side of the issue.

Any forecast up to 6 degrees for 2100 is completely outdated and corresponds to projections from previous IPCC's reports. The average surface temperature forecast in the 2001 Report (TAR) was an increase between 1.4 to 5.8°C over the period between 1990 to 2100, with a sea level projected to rise by 0.1 to 0.9 meters over the same period. On the other hand, the 2007 Report (AR4) now predicts that sea levels will probably rise by 18 to 59 cm! The best estimate temperature rise is predicted between 1.8 to 4.0°C, for best and worst case scenarios (B1 and A1FI respectively), with the intermediate more realistic scenarios ranging between 2.4-3.4°C, and correspondingly see levels from 20-51 cm (see table SPM3 of the Summary for Policymakers) Just check by yourself on the IPPC's 2007 Report (AR4) Climate Change 2007 - The Physical Science Basis: Working Group I Contribution to the Fourth Assessment Report of the IPCC (Climate Change 2007) (the PDF version is available for free through the web) or just read the Summary for Policymakers.

This is a documentary not worth watching, unless you are interested in science-fiction or a documentary continuation of the 2004 film The Day After Tomorrow (Widescreen Edition).
July 8, 2008

Must see!

Very thought provoking! It's hard to believe that some people actually deny that there is a problem with global warming. A must see for everyone. June 21, 2008

Not as good as 11th hour

The format was somewhat high schoolish, in the manner of describing in pictures, what would happen at each degree centigrade rise in global avg. temp. Excellent interview with Richard Heinburg though. I did not care for the mix of documentary & reality tv style videography, with a women running around her house on the cell phone getting ready to evacuate. Alec Baldwin's narration did not do the film justice. Much preferred Leo Decaprio's sincerity in the 11th hour. Save your money, your not missing much. Expected much better from NGS. May 13, 2008

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