The so-called free market does not provide consumers with proper information, because the social and environmental costs of production are not part of the current economic models.... an ecological tax reform would be strictly revenue neutral, shifting the tax burden from income taxes to "eco-taxes." …the taxes would be added to existing products, forms of energy, services, and materials, so that prices would better reflect true costs.
Epilogue: Ecological Literacy - The Web of Life (1996)