Daniel Sarewitz speaking at a conference in Brussels, September 2016. Photo © European Commission.

I spoke with Daniel Sarewitz, Professor of Science and Society at Arizona State University, about post-normal science and what uncertainty means for scientists working to provide advice to policy-makers. This interview took place on the sidelines of the 2nd conference on science advice to governments in Brussels, Belgium, 28–29 September 2016.

The debate about post-normal science starts with an observation: that we live in a world where facts aren’t certain, stakes for decisions are high, and those decisions are urgent. What does that mean for science, and what does that mean if science wants to inform policy-making?

Sarewitz: Whatever science…


Jan Gehl.

We caught up with Jan Gehl, the world-renowned Danish architect and advocate for livable cities at the Habitat 3 Regional Meeting in Prague, where he gave a keynote presentation. Gehl has pushed for a long time for the creation of cities that are more livable, sustainable & healthier, planned with people in mind.

People today are asking about creating more sustainable cities, more livable cities, healthier cities. Clearly, something in our cities has gone wrong. Could you tell us what happened in the second half of the 20th century?

Jan Gehl: We’ve had two very dominating paradigms in city planning…

Johannes Mengel

Strategic policy communications at the German Academy of Sciences. Strong believer that bringing about meaningful change will require decent typography.

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