Columbia, Canada, , 464 pp. Von Weizsacker, E.U., C. Hargroves, M.H. Smith, C. Desha, and P. Stasinopoulos (2009). Factor Five: Transforming the Global Economy through 80% Improvements in Resource Productivity, Routledge. External links Ecotechnology research at Mid Sweden University, Östersund, Sweden The Institute of Ecotechnics, London, U.K. ecoTECHNOLOGY for Vehicles, Transport Canada, Ottawa, Canada Eco Technology Show, 11-12 June 2015, Brighton, U.K. Environmental science