1975
Successful citizen resistance against the planned Wyhl nuclear power plant
1979
First solar apartment building in Freiburg
1981
Foundation Fraunhofer- Institute for Solar Energy Systems (ISE)
1986
Resolution of the municipal council to phase out nuclear energy; Establishment of the Environmental protection department
1992
Building standard: low-energy construction for municipal buildings;
1st energy self-sufficient solar house;
"Federal Capital for Nature and Environmental Protection" award
1994
Construction „Heliotrop“ as 1st plus energy house in the world
Foundation „Regio- Verkehrsverbund Freiburg“
1996
Signing of Aalborg Charter;
Climate protection concept: Reduction of CO2 emissions by 25% by 2010
1999
First German Multifamily Passive House;
Foundation Energieagentur Regio Freiburg
2000
Participation World Expo Hannover;
Premiere "Intersolar" in Freiburg (Today the fair is part of the innovation platform "The Smarter E" in Munich, but is still organized from Freiburg)
2001
Adoption „Freiburger Waldkonvention“
2006
Land Use Plan 2020 (Flächennutzungsplan 2020);
Signing of the Aarlborg Commitments
2007
Update of climate protection concept: Reduction of CO2 emissions by 40% by 2030
2008
Foundation Green City Office
within the administration of the City of Freiburg
2009
"Freiburg Efficiency House Standard";
Foundation of "Cluster Green City Freiburg" (FWTM);
Adoption of Freiburg Sustainability Targets;
Finalist European Green Capital Award
2010
Participation World EXPO Shanghai
2010
Start ECOfit-Program;
Start „Environmental Zone Freiburg“ (Umweltzone)
2011
Refurbishment worldwide 1st passive high-rise building;
Establishment of sustainability management staff unit (Stabsstelle Nachhaltigkeitsmanagement)
2012
Freiburg honored with the German Sustainability Award as Germany's most sustainable major city
2013
Cycling concept 2020 (Radverkehrskonzept);
Basic decision on adaptation to the consequences of climate change
2014
New climate protection target: 50% less CO2 by 2030, climate neutrality by 2050;
Start of the "Green Industry Park" initiative
2018
DGNB Award „Nachhaltiges Bauen“ for Freiburg City Hall more...
Award "Klimaaktive Kommune" for "Green Industry Park" Initiative
2019
Citizen referendum on the new, climate-neutral District Dietenbach;
Update of climate protection concept: 60% CO2 reduction by 2030, 100% reduction by 2050;
Award for Freiburgs Climate Adaption Concept (Klimaanpassungskonzept) at the Competition „Klimaaktive Kommunen 2019“ (Climate-active Municipalities)
2021
Freiburg's Municipal Council decides on the climate protection campaign, with its 120-million-euro Future Fund;
Tightening of the climate protection goals according to which Freiburg wants to become climate-neutral by 2038.