On 18th and 19th November 2026, the 5th Climate Festival for the Construction Transition will take place at STATION Berlin. The IBU is once again an initiative partner of the Climate Festival this year. The IBU is back at the event with its discussion stand and looks forward to talking to you and meeting you there. New this year: the IBU is featured in the programme with a talk on stage entitled ‘Efficiency’. 19th November 2026, from 3.15 pm to 4.00 pm “Checked, assessed, understood? EPDs a