Reading Time: 2 minutes pigeons lead public health

What Urban Pigeons Can Tell Us About Public Health

Taking blood samples from hundreds of pigeons across New York City neighborhoods, two researchers found that lead levels in the urban birds correlate with those in young children.
Reading Time: 2 minutes city momentum innovation

In Charts: How Innovation Drives City Momentum

While innovation can sometimes be dismissed as a buzzword, cities the world round are designing infrastructure, policies and programs to put it at the core of their economies.