Air pollution is killing wildlife and people

Measures to cut air pollution need to be extended beyond urban areas, say representatives of six wildlife organisations. Plus Dr Richard Carter warns that avoiding main roads won’t protect you from small particulates

At least 33 US cities used water testing ‘cheats’ over lead concerns

Exclusive: Guardian investigation reveals testing regimes similar to that of Flint were in place in major cities including Chicago, Boston and Philadelphia

Neighborhoods Are Healthiest When Everything Is Walking Distance

Researchers from the Li Ka Shing Knowledge Institute of St. Michael’s Hospital in Toronto have compared overweight, obesity, and diabetes rates among urban neighborhoods in Ontario, Canada, with a more walkable design to those in less walkable neighborhoods. Their findings show that the rates of these conditions tend to be lower in neighborhoods that promote physical activity via walking than in areas where cars are the main source of transportation.

Read moreNeighborhoods Are Healthiest When Everything Is Walking Distance