Thekla Walker (born 28 March 1969 in Dülmen) is a German politician of Alliance 90/The Greens who has been serving as State Minister of the Environment, Climate and Energy in the governments of successive Ministers-President Winfried Kretschmann and Cem Özdemir of Baden-Württemberg since 2021. She has been a member of the State Parliament (Landtag) of Baden-Württemberg since 2016, representing the Böblingen electoral district.
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