Just a quickie, while I'm working on some other posts: Here's something Mundane that you can do that actually adds up. Whenever you run out of your paper towells, or toilet paper, or aluminum foil, replace it with the recycled kind.
If you've gone ahead and decided to plant trees for reforestation, why waste other trees for something as silly as wiping up the OJ you spilled this morning? Sure it's usually a little more expensive, but you're getting $600 in the mail soon. Remember to get 100% recycled with as high a post consumer recycled content as possible, and are chlorine bleach free. This article has a rundown of brands including their recycled and bleach content.
Recycled aluminum foil takes 95% less energy to produce than non-recycled, and protects land that would otherwise be mined.