I had the pleasure to moderate the kick-off to an important movement: the „Klimagewerke“ – i.e. craftsmen from roofers, bricklayers, window builders and plumbers to chimney sweeps and electricians. They are going to have to work together to ensure that the enormous job of preventing further CO2-emissions from buildings is done quickly, and done well. Here’s a link to the little film summary (in German!): https://www.youtube.com/watch?v=xKmwRqElHtU
If you’re having work done on your house, please make sure that you enquire about whether there aren’t other changes you can make that might make more sense and help save energy!