The people of Flint, MI were horrified to find their drinking water was poisoned with lead. As we learn more about lead’s effects and realize how persistent it is, the more worrying it becomes. What makes lead so toxic?

We have designed several roundabouts, but this roundabout in Swindon, UK, is incredible.

The good folks at 99% Invisbleandnbsp;report on how this installation came to be.

Every day, millions of people step right over manhole covers and pay them little attention. Don’t feel bad about this; they’re meant to be ignored. If these pieces of ubiquitous urban industrial design tripped you up, they wouldn’t be doing their job of hiding the city’s underground infrastructure.

The thing is, manhole covers are really, really cool. Especially London’s. The city, known for its Victorian-meets-industrial aesthetic, is full of cast iron hatches imprinted with delightful patterns. In the new Pentagram Paper Overlooked, graphic designer and Pentagramandnbsp;partner Marina Willer created a small survey of London’s covers, transforming the functional metal pieces into Day-Glo graphic design. The book offers a colorful tour through the city’s industrial history, as seen through manhole covers.

Green infrastructure is a cost-effective, resilient approach to managing wet weather impacts that provides many community benefits. While single-purpose gray stormwater infrastructure—conventional piped drainage and water treatment systems—is designed to move urban stormwater away from the built environment, green infrastructure reduces and treats stormwater at its source while delivering environmental, social, and economic benefits.andnbsp;

Many Americans take clean drinking water for granted. andnbsp;However, the town of Flint is still reeling from the contamination of its water supply, which exposed thousands of residents to lead-laced water. Time explains how this situation came to be.