{"data":{},"content":[{"data":{},"content":[{"data":{},"marks":[],"value":"Hitzesommer, Überschwemmungen und Wassermangel: Die Folgen des Klimawandels sind deutlich spürbar. Es ist höchste Zeit, zu handeln und den ","nodeType":"text"},{"data":{},"marks":[],"value":"CO₂-Ausstoß","nodeType":"text"},{"data":{},"marks":[],"value":" zu reduzieren. ","nodeType":"text"}],"nodeType":"paragraph"},{"data":{},"content":[{"data":{},"marks":[],"value":"Eine große Rolle spielt dabei die Immobilienbranche – 2022 entfielen darauf 35 Prozent des gesamten Energieverbrauchs in Deutschland. ","nodeType":"text"}],"nodeType":"paragraph"},{"data":{},"content":[{"data":{},"marks":[],"value":"Nicht zuletzt das heiß diskutierte Gebäudeenergiegesetz (GEG) zeigt, dass die Politik bei der Wärmewende viel Handlungsbedarf sieht. 85 Prozent der Mehrfamilienhäuser in Deutschland sind älter als 25 Jahre und mit veralteten technischen Anlagen ausgestattet. 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