Biodegradable plastics

7. Biodegradable Plastics
They are eco-friendly.
They are made from
renewable resources.
They break down faster.
They are not toxic.
Their production
requires less energy.
Other Plastics
They are not eco-
friendly.
They are made from non-
renewable resources.
They do not break down.
They are toxic.
Their production requires
more energy.

8. http://www.scribd.com
http://www.biostockspro.com
http://en.wikipedia.org
http://www.degradableplasticbag.com