Solar power, heat pumps and waste heat - renewable energies are readily available. The former Pfaff factory site is being used to test what the climate-neutral neighbourhood of the future will look like.

An ancient construction method is providing affordable and sustainable housing to people in sub-Saharan regions. Its resurgence has the potential to not just help those lacking resources to build themselves a decent and affordable home, but thanks to new skills and training, it's also giving them a path out of poverty.

Two birds with one stone: reducing waste piles in Mexico and simultaneously creating cost-effective living spaces. These are the houses that plastic waste built!