The environment: I try to compensate for my excess by recycling all the paper I print for my own use. Once done with, paper gets flipped over and used again. I had read that this isn't good for your printer but I just retired a printer after doing that for 11 years - can't ask for a printer to last much longer than that! (I also buy cheap recycled paper for my own use.)
My recommendation: Domtar FirstChoice ColorPrint - 96 bright - 28lb. - available in a purple wrapper at Staples. It'll cost you an extra penny per sheet but well worth it.