The Heinrich Böll Foundation
This foundation is located in Berlin, but has offices in most of the states of Germany, as well as several international locations, and is"a political non-profit organization striving to promote democracy, civil society, equality and a healthy environment internationally."
It is associated with the Green Party in Germany:
More information is available at:
http://www.boell.de/ (in German)
http://www.boell.de/service/home.html (in English)