How little PVC is too much?
http://www.cbc.ca/consumer/story/2009/08/31/f-pvc-school-supplies.html
"The back-to-school season is in full swing, and for parents looking to outfit their children with new school supplies, the store shelves are lined with seemingly limitless options. With that in mind, the Canadian interest group Environmental Defence, working with the Center for Health, Environment and Justice in the U.S., has released a back-to-school buyer's guide for parents wanting to ensure their children return to class with products that won't harm their health or the planet's."
http://www.cbc.ca/consumer/story/2009/08/31/f-pvc-school-supplies.html
"The back-to-school season is in full swing, and for parents looking to outfit their children with new school supplies, the store shelves are lined with seemingly limitless options. With that in mind, the Canadian interest group Environmental Defence, working with the Center for Health, Environment and Justice in the U.S., has released a back-to-school buyer's guide for parents wanting to ensure their children return to class with products that won't harm their health or the planet's."
