Energy Independence Within 10 Years.

Al Gore's "challenge"

Also interesting: T. Boone Pickens' Plan, which gets discussed pretty regularly here lately on Texas television.

It's as exciting (to ME) to think about people getting involved in the environment as it is exciting (to ME) to think about people getting involved in politics again.

Since it's a nobrainer, I'll categorize it using #3's "brain" category.