I question the "aluminum can is good to recycle" claim. It's like robbing Peter to pay Paul. At least here in California it is.
You see, each aluminum-can-packaged product you buy (ie, soda) the government charges you an extra 5 cents. Then, when you or whoever takes that can to the recycling plant, they get that 5 cents back. You see? They aren't paying you that money because the recycling is making them so much money that they feel they should share with you for helping them out, but because the government took 5 unnecessary cents from the original purchaser in the first place, and it is that 5 cents you are getting back (sans the interest they earned while in possession of it!). In other words, they have literally robbed Peter to pay Paul.
Recycling Aluminum Scorecard:
Original purchaser: loses 5 cents
Government: gets to keep the interest on redeemed cans, and gets to keep all the nickles from cans that are never recycled.
Recycling plant: get free labor from the schmucks who hall cans in for them (all they have to do is fork over some of the government's take on the scheme). Any money made from the recycled aluminum is all theirs (a profit they probably couldn't manage if they had to collect their own cans, IMO).
Can Redeemer: basically working for the government in order to act as free/subsidized labor for the recycler. They are in the plus column too, since they get the 5 cents the Original Purchaser was cheated out of originally to make this crazy scheme work in the first place. Advantage is that they can feel good about themselves (for no rational reason, though), and they get paid. Disadvantage is that they are really just pawns in a much larger scheme. :/
And just think of all the aluminum that gets thrown away in the form of aluminum foil. I'll bet you don't feel guilty when you throw foil away, like you do when you throw an aluminum can away. I think this tells us the basic truth behind aluminum recycling. No one has been conditioned to feel bad throwing foil away. But they have been conditioned to feel bad throwing cans away. But it's all aluminum!
P.S. Recycling glass is BS because glass is made from one of the most common substances on the face of the earth.