In the summer 2019 Britain was the first G7 member to incorporate a new commitment to reach net zero greenhouse gas emissions by 2050 into law. Since then the country has maintained ambitious green targets for the coming years.

Niklaus Ledergerber, president of the cultural heritage preservation commission of the Swiss canton of Appenzell, is an expert in local building history. He tells youris.

Scientists aim to create a sustainable future for the Strickbau building technique , typical of the Swiss Appenzell region. The challenge is to use modern features respecting historic architecture to bring them back from the verge of extinction.