Permaculture is an Australian innovation that may provide solutions for both sustainable agriculture and recovering arid land. Enjoy the video. The Permaculture Institute can be found at http://permaculture.org.au.

Gunter Pauli is a postgraduate lecturer at Politechnico di Turino in Turin, Italy. He speaks 6 languages and has been an advisor to the UN Environment Programme. His institute - The Zero Emissions Research Institute - has been key to Sustainability projects throughout the world. It can be found at http://www.zeri.org.

Paolo Lugari is a  colombian professor who founded the Gaviotas project in La Vichida, Colombia in 1967. This project developed several low-cost and reliable sustainability innovations including the sustainable community Las Gaviotas, a variety of solar heating systems, wind-generators and water pumps. Today Las Gaviotas and the Gaviotas Institute both thrive as living proof that we truly can create a sustainable world. This video  was produced in 2007 by Miguel Rojas-Sotelo and Gioconda Perez Snyder during Lugari's visit to Carnegie Mellon University in Pittsburgh, USA. Enjoy! For more information about Las Gaviotas, visit http://www.friendsofgaviotas.org.