I have a Ph.D. in political studies, however, my thesis was on sustainable development and it included chapters about demographics, renewable energy, organic agriculture and sustainable lifestyle. Aha, and about solar cookers as well ;)

I'm a co-founder of Sopocka Inicjatywa Rozwojowa which is an informal group of citizens from Sopot, Poland, working for participatory democracy and sustainable development. Our flagship project is participatory budgeting that we are pioneering in Poland. You can read more about our adventures in Sopot and my other articles for the PRI here:
http://permaculture.org.au/author/Marcin%20Gerwin