Al Gore must love making money so easily. All he has to do is claim that a product or service causing greenhouse gases. Then he will "sell" you a tree that makes up for your carbon foot print. He does not plant a tree, he merely puts your name in a book, noting you "bought" the tree. Kind of like naming a "star" after your daughter--nice gesture but creates nothing new..
In fact, AB 32 has cost California jobs and revenues--and done nothing for the climate. Just one outpouring of Mt. St. Helens is equal to all the cars on the road in California for three years.