Warren Karlenzig, President of Common Current, has developed sustainability strategy and metrics on a global basis with nations, the State of California, major cities, corporations, foundations and international non-governmental organizations. Clients have included the United Nations; US Department of State; the White House Office of Science and Technology; US EPA Futures Group; the Asian Institute for Energy, Environment & Sustainability; and The David and Lucile Packard Foundation. He is recognized as one of the world’s top experts on urban sustainability strategy and metrics, and is the author of How Green is Your City? The SustainLane US City Rankings (New Society, 2007) and Blueprint for Greening Affordable Housing (Global Green USA, 1999).
Warren is on the board of directors for the Climate Change Center and the Korea Green Foundation, and has lectured in three continents, appearing in global media including The Washington Post, The Wall Street Journal, The New York Times, People’s Daily (China), BBC, CNN and CNBC.