Some influences:

David Holmgren Essence of Permaculture (2013)

Sombath Somphone Challenges for Poverty Reduction and Sustainable Development (2012)

Vandana Shiva Soil not Oil: environmental justice in an age of climate crisis (2008)

Rob Hopkins The Transition Handbook: from oil dependency to local resilience (2008)

Elinor Ostrum Revisiting the Commons: Local lessons, Global Challenges (1999)

James C Scott Seeing Like a State - Introduction (1998)

Robert Chambers The Origins and Practice of Participatory Rural Appraisal (1994)

Susan George Ill Fares the Land: essays on food, hunger and power (1990)

Wendell Berry Solving for Pattern (1981)

Paulo Freire Extension or Communication? (1968)

E F Schumacher Buddhist Economics (1966)

Rachel Carson Excerpts from Silent Spring (1962)

Peter Kropotkin The Conquest of Bread (1913)

Gerrard Winstanley The True Levellers Standard Advanced (1649)