I'm no expert, but...

Rating: 7/10 (25 August 2006)

I enjoyed the movie (especially the effects and filmography), but I think it places the "blame" for global warming in the wrong place. It's a little naive of the human race to think that we could be responsible for the destruction of the world. The large-scale climactic changes on the earth's surface are considered by many experts to be cyclical (sorry for not including references, but you can do your own research if my post arouses your curiosity)... The earth experiences warm times and cold times --- as there was an ice age ten-thousand years ago, there could possibly be one soon... just as there may have been one thousands of years before that. I honestly don't think that we humans could have a whole lot to do with its onset.
It is indeed important and necessary to preserve the earth's resources and veer away from the use of fossil fuels, but not for the reasons that the movie proposes. Rather, it's because we've come to rely on them too heavily --- and they're gonna run out.
The solution oughtta begin with a two-pronged approach: 1. R&D for alternative and replenishable fuel sources. 2. Drill the preserve in Alaska. (That's likely to ruffle some feathers, but all the Alaskans I've ever met think it's a great idea. It would leave a very small environmental footprint - contrary to what most green-folk would try to convince you - and besides, caribou and elk cows use the warmth and shelter of oil pipelines to give birth... And the most important thing for many Americans: it may have a significant depressive effect on the rising oil prices.)
Hope this post has been thought provoking and enlightening... and if a second ice age ever does come upon us, I hope it looks as cool as the movie portrayed it.