21st Century Environmental Revolution (Second Edition) A Structural Strategy for Global Warming, Resource Conservation, Toxic Contaminants, and the Environment Henderson, Mark C Heftet / 2010 / Engelsk
21st Century Environmental Revolution A Comprehensive Strategy for Conservation, Global Warming, and the Environment / The Fourth Wave Henderson, Mark C. Heftet / 2008 / Engelsk
Depletion Wall Non-Renewable Resources, Population Growth, and the Economics of Poverty / The Fifth Wave Henderson, Mark C. Heftet / 2012 / Engelsk
