Ecological Engineering

Cameron Laird writes "Lou Licht goes beyond, "Pollution is bad, punish someone." Instead, he uses good science, engineering, and economics to make environmental remediation attractive. The basic technology: managing polluting chemical species through a system of live poplar tree stands. " We've talked about this before on Slashdot, going back a couple years ago. Very interesting stuff - plant usage to clean things up seems like the best of both worlds. Weelll...I suppose not polluting in the first place would probably be the best of both worlds, but you get my point.