The freaks come out at night, and so do the cockroaches -– and lots of other pests. More than half of U.S. homes used insecticides to get rid of the buggers. But did you know those sprays can harm human health, pet health, and the environment? Umbra shows you how to kill the buzzing -- without being a planetary buzzkill. Grist's guide to non-toxic pest control http://www.grist.org/article/2009-07-09-guide-non-toxic-pest-control blown glass castles professional accountability... read more