Heidi (Germany) – Is a social worker in Darmstadt, Germany. She has worked with migrants, refugees, drug abusers and with prisoners. She is active in the grassroots Transition Town Movement which addresses global economic and environmental shifts at the community level. She is fluent in English, German and French, and has traveled in Argentina, Austria, Bolivia, Brazil, Cameroon, Colombia, Costa Rica, Croatia, Czech Republic, Ecuador, Egypt, Finland, France, Greece, Guyana, Hungary, Italy, Mexico, Morocco, Paraguay, Peru, Poland, Romania, Slovenia, South Africa, Spain, Swaziland, Turkey, United Kingdom, United States, Venezuela.