1. African National Congress (ANC) (1992). Ready to govern: Policy guidelines for a democratic South Africa. (28–31 May, 1992) Available at http://www.anc.org.za/ancdocs/policy/readyto.html Accessed February 2, 2006.
2. Blake, D. E., Guppy, N., & Urmetzer, P. (1997). Canadian public opinion and environmental action: Evidence from British Columbia. Canadian Journal of Political Science, 30, 451–472.
3. Bloom, D. E. (1995). International public opinion on the environment. National Bureau of Economic Research Reprint 1998 (pp. 354–358) Cambridge, MA: National Bureau of Economic Research. Science, 269(5222), Series.
4. DEAT (Department of Environmental Affairs and Tourism) (2004). Ten year review 1994–2004. Pretoria: DEAT.
5. DWAF (Department of Water Affairs and Forestry) (2005). Annual report: 2004–2005. Pretoria: DWAF.