I prefer this movie to Al Gore's because:
1 - It is not just about global warming but about all human activities
2 - It is scary but not gloom and doom
3 - One third of the movie is about solutions
4 - The 11th hour solutions (the second part of the DVD) is just fascinating. Scientists explain that our technology still has a lot to learn from nature, that animals and plants might be more complex (intelligent?) then we think, how a fungus could save us from bioterrorism, etc.
5 - It makes us marvel about the beauty of creation
I did not expect such a good documentary from De Caprio.
I am going to buy 10 copies and offer it to all my friends.