Indicators used to direct ecomonic policy (GDP, national income, etc.) are based on a number of factors but nowhere in their calculation is there an acknowledgement of the degradation of natural resources. The numbers may look good, but continued deterioration of the environment is leading us closer to crises; meanwhile, policymakers and the public are basing decisions on dangerously incomplete information. In Taking Nature into Account, a number of the world's leading experts make the ethical, historical, economic, and ecological arguments for including environmental factors when...