Public health

Expert Voices

How sensor data can help cities improve public spaces

Illustration of city made out of data
Illustration: Rebecca Zisser/Axios

Urban sensors are often used to monitor illegal activity — from identifying drivers that run red lights to generating predictive crime maps — but they can also collect data for quality-of-life improvements like reducing emissions and preventing car accidents.

The big picture: Municipalities could use anonymized, secure sensor data in combination with advanced computing to better understand how people travel through and use public space, without sacrificing individual privacy.

Expert Voices

How expansive responses to terrorism can cost civilian lives

A mother and her son dressed in a traditional costume in Pisac Sunday market day. Pisac. Sacred Valley.
A mother and son in Pisac, Peru, where health-spending cuts have contributed to a 13% rise in infant mortality. Photo: Sergi Reboredo/VW PICS/UIG via Getty Images

Recent terrorist attacks in Kashmir, North Sinai and Bogotá have put their respective government’s security policies under the microscope.

The big picture: In the wake of such attacks, there are strong political incentives to reassure the public with highly visible, forceful measures. In developing countries, however, beefing up security often comes at the steep cost of spending cuts to social welfare programs.

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