You can just donate the used plastic and cardboard to charity alongside your dirty laundry. Charities can use these things without further cleaning, so you're not harming the environment.
http://robrhinehart.com/?p=1331
It uses less water to order new clothes from cheap labor in China than to launder them, so therefore the right thing to do is to buy new clothes and ... donate the old ones to charity where ... magically they don't have to be washed???
If this was from anyone other than the guy who thought inventing Soylent was a good idea, I'd call it a masterful work of satire.