The Competitive Enterprise Institute - A pro-market, public policy group committed to advancing the principles of free enterprise and limited government, including a focus on global warming, the EPA, and other environmental issues. The New Economics Foundation - Works to construct a new economy centered on people and the environment - using techniques such as social and environmental auditing. The Electronic Drummer - The Drummer presents Thoreau Institute reports, recent articles, excerpts from Different Drummer magazine, and data responding to Henry David Thoreau's (the father of environmentalism, author of Walden Pond) call for preserving the environment without big government. Political Economy Research Center - PERC is a non-profit, environmental think tank in Montana seeking market solutions to environmental problems. Research and policy analysis covers endangered species, forestry, fisheries, mining, parks and park reform, public lands, property rights, Superfund, user fees, water marketing, wildlife and environmental education. Foundation for Research on Economics and the Environment - FREE advances conservation and environmental values by applying modern science and America's founding ideas to policy debates, seminars for federal judges, environment / public environmental policy, park reform. Infography about Environmental Protection -- Economic Incentives - Sources recommended by a professor who specializes in the study of economic incentives for environmental protection. Bjørn Lomborg's official homepage - Author of "The Skeptical Environmentalist." Provides reviews, critiques, and media coverage about the book and its author. The Sky's the Limit - Assigning an economic value to the world's ecosystems. From the Why Files. Ecoworld - Ideas and discussions about environmental issues from a free market perspective.