Vienna has a way to make affordable housing and combat climate change all at the same time. Now U.S. cities want in, and they're building their own green housing.

Vienna has a way to make affordable housing and combat climate change all at the same time. Now U.S. cities want in, and they're building their own green housing.

Vienna has a way to make affordable housing and combat climate change all at the same time. Now U.S. cities want in, and they're building their own green housing.

Sebastian Schublach has lived in this apartment in Vienna for six years with his wife and two kids. It's affordable, and it has climate-friendly elements like rooftop solar and good insulation. At top ...

VIENNA — At the edge of a wide, grassy park in Vienna, there's a modern building with lots of windows and a sleek wood facade. For the past six years, Sebastian Schublach has lived here with his ...

For the past six years, Sebastian Schublach has lived here with his family in a light-filled four-bedroom apartment on the fourth floor. Up on the roof, where Schublach can relax in the communal ...