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Including the 'Sustainable Energy Europe Award' in 2011 co2online and its projects were distinguished by a lot of awards in different fields during the last years.

2011: Finalist for the “Sustainable Energy Europe Award” with “Energiesparclub (based on iESA / interactive Energy Savings Account)” in the category “CONSUMING”.

2009: The "champion energy saver" competition has been awarded the recognition as an "Official German Project for the UN Decade of Education for Sustainable Development", a worldwide initiative by the UNESCO which is implemented in Germany with the support of the Federal Ministry of Education and Research under the patronage of the German Federal President Horst Köhler.

2008: The "Clean Tech Media Award", Germany's first environmental media award, was awarded to co2online in the category "sustainability". The award was presented for the website content, the online advisers and the extensive networking.

2008: The tour of the "Grönland" has been named one of 365 "Landmarks in the Land of Ideas 2008", an initiative by the German government and commerce and industry under the patronage of the German Federal President Horst Köhler.

2007: Dr. Johannes Hengstenberg, co2online’s founder, was selected an Ashoka Fellow as “social entrepreneur” (someone who reaches societal goals with business tools).

2007: co2online won the Sustainable Energy Europe Award in the category "Awareness Raiser". The Award for the "Climate Seeks Protection" campaign and its online tools, adaptable all over Europe, was presented for an outstanding contribution to reaching Europe’s energy targets.

2006: The Giga-Maus 2006 Award for the best online offer for "secondary school level" was given to co2online’s free online climate quiz "Mission Blue Planet"; The Giga-Maus was awarded during the Frankfurt Book Fair and is a widely respected endorsement for quality software for children and families.