http://www.wirefly.org/why-recycle/environment.php
http://www.ecma-international.org/activities/Hardware/2004tc38-012.pdf
http://www.enviroliteracy.org/article.php/1119.html
http://www.pharmacy.utah.edu/pharmtox/common_meds/ICM9.html
http://familydoctor.org/online/famdocen/home/otc-center/otc-medicines/862.html
http://www.cfsan.fda.gov/~frf/sea-mehg.html
http://www.usgs.gov/themes/factsheet/146-00/
http://www.nrdc.org/health/effects/mercury/guide.asp
http://www.epa.gov/waterscience/fish/advice/mercupd.pdf
http://www.health.state.ny.us/environmental/lead/recalls/questions_and_answers.htm
http://www.cdc.gov/nceh/lead/faq/jewelry.htm
http://www.mayoclinic.com/health/lead-poisoning/FL00068
http://www.worldnetdaily.com/news/article.asp?ARTICLE_ID=56056
www.oilcrisis.com/youngquist/altenergy.htm
www.environmentcolorado.org/envcoenergy.asp?id2=9684
http://ecology.com/features/fossilvsrenewable/fossilvsrenewable.html
http://www.blm.gov/education/00_resources/articles/energy/energy1.html
http://www.colorado.edu/engineering/energystorage/intro.html
http://www.colorado.gov/energy/resources/links.asp
http://www.ornl.gov/sci/techresources/Human_Genome/elsi/gmfood.shtml
http://www.howstuffworks.com/question148.htm
http://www.umd.umich.edu/sep/students/jglimpse/jglimpse_scicontr.html - and a good example of a correctly documented research paper as well.