- 中國國家環境保護總局(http://www.zhb.gov.cn/)
- United Nations Framework Convention on Climate Change(http://unfccc.int/2860.php)
- United Nations Environment Programme - UNEP(http://www.unep.org/)
- United Nations Division for Sustainable Development-Commission onSustainable Development- Policy Session(http://www.un.org/esa/sustdev/csd/policy.htm)
- U.S. Environmental Protection Agency(http://www.epa.gov/)
- EPA NCEA - Human Health Risk Assessment(http://cfpub.epa.gov/ncea/cfm/healthri.cfm)
