The Least Bad Solution - Economist David Friedman argues that there is no justification in economic theory for the widely believed notion that the results of allowing parents freely to decide how many children they have must, in the long run, be catastrophic under any tolerable social institutions. National Audubon Society Population and Habitat Program - Supports voluntary family planning as a key element in conserving and restoring natural ecosystems. PopInfo.org - Discusses population issues, impacts and solutions. Probability Unknown - Promoting dialogue concerning population and its effects. It is, however, a gross distortion of the truth.
Capitalism is the main cause of both overpopulation and the ecological crisis.
Youdraw - Aimed at doodlers worldwide, this offers a unique chance to contribute your portrait to a special exhibit that will show 6 billion drawings of the world's people together for the first time ever. Argues that there is no population problem.