The Multi-State Working Group on Environmental Performance (MSWG) in the United States held its annual workshop 2007 as "An International Dialogue on Ecological Policy" on 18-20 June 2007 in Madison, Wisconsin, and invited Ecologic Institute to contribute European perspectives. Peter Kessler spoke on environmental innovation in practice, Ingmar von Homeyer on innovative environmental governance and regulation in the EU, and R. Andreas Kraemer on sustainable water management infrastructure, and the infrastructure needed for transatlantic cooperation.