Today, the winners of the 21st Blue Planet Prize were announced at United Nations Conference on Sustainable Development (Rio+20) in Rio de Janeiro, Brazil.
■Professor William E. Rees (Canada)
Professor, University of British Columbia, FRSC (Royal Society of Canada)
Dr. Mathis Wackernagel (Switzerland)
President, Global Footprint Network
■Dr. Thomas E. Lovejoy (USA)
Professor, Environmental Science and Policy, George Mason University
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