Chapter 18: Protecting the Environment

Population data are available from the United Nations at www.undp.org/popin. There are good essays on Malthus at the website of the Encyclopedia Britannica at www.britannica.com.

Energy data are available at the comprehensive site of the Energy Information Agency at www.eia.doe.gov.

You can learn more about environmental policy at the website of the U.S. Environmental Protection Agency at www.epa.gov. International environmental policy is found at the site of the United Nations Environmental Programme at www.unep.org. Information on the Kyoto Protocol and other programs to address climate change can be found at www.ipcc.ch and www.unfccc.de.