Resources:

"Environmental and Health Effects of Nanomaterials," from The Center for Biological and Environmental Nanotechnology (CBEN)

"Nanotechnology may aid environment," by Jim Krane (SiliconValley.com)

"Cleaner Living Through Nanotech," (Wired)

"Environmental Regulation of Nanotechnology: Some Preliminary Observations," by Glenn Harlan Reynolds (Environmental Law Reporter)

"U.S. Regulators Want to Know if Nanotech Can Pollute," By Doug Brown (Small Times)

"Nano Litterbugs? Experts See Potential Pollution Problems," By Doug Brown (Small Times)