In this episode Miriam sits down with Pau Balcells from the Barcelona Data Office. Together they dive into the role of data to design, feed and assess innovative and sustainable policies. The city of Barcelona is leveraging on data for better decision-making and to become a smarter and fairer place. During the talk Pau shares why big data have become the issue of our time. He also talks about the DataCity initiative that will contribute to the city’s amazing objective of erasing energy poverty in the next 8 years.