Cities around the world are making commitments to reduce their net carbon emissions to zero. But what are the steps being taken to ensure this goal is achieved, and who is leading the race towards a greener urban future?

Tall Stories 494: Metropolitan Ervin Szabó Library, Budapest
06:06

Melbourne’s Metro Tunnel and Mexican architect Tatiana Bilbao’s view on housing
29:21

Tall Stories 493: The Tallinn Song Festival Grounds
07:10