Wonderful, wonderful movie. I thought it appropriate that the movie came out in the same month as a study that showed the ocean's ability to absorb CO2 has not diminished:
http://theresilientearth.com/?q=content/ocean-absorption-co2-not-shrinking "Avatar" is the story of Gaia, the idea that the Earth is a living organism and, as such, can adjust itself and its equalibrium as the make-up of various elements in its atmosphere change. More CO2? Why, the ecosystem adjusts itself accordingly. Adaptation. Just like the skin on your arm adjusts when it is cut: it heals itself. The Na'Vi represent Gaia. The military represents the catastrophic man-made global warming movement, particularly in the person of Col. Miles Quaritch, who is pro-fear and anti-science. Quaritch personifies Al Gore, the most evil man in America today. Jake Sully represents reason as well as man acknowledging the power and balancing ability of nature. The best parallel to today's situation would be that Sully represents someone like Senator Inhofe. So when Al Gore (the military) tries to upset the natural order of things, it took a brave soul like Sully (Sen. Inhofe) to fight the fear and irrationality of Al Gore and the global warming movement. Good ultimately triumphs over evil.