Game of Drones

Could delivery drones cut down China’s emissions?

Drone deliveries are becoming more likely in China, which could mean less air pollution.

Something's afoot

These tiles harness electricity from your footsteps

Is footstep power the new solar power?


L.A. heatwave could mean more pollution for communities of color

Three generating stations have been approved to burn diesel as power demand spikes this summer.


Fancy streetlights save a lot of energy but steal your sleep

LED streetlights sound like a great idea. But there's a hitch.


Trees lining California streets are worth an extra $1 billion a year

A new study calculates the value of the trees that line the state’s roads.


Stackable neighborhoods could be the way of the future for cities

One design firm imagines a skyscraper-free, self-sustaining urban landscape.

cough cough

Kids who breathe polluted air have higher rates of mental illness

Even a little pollution may have a big effect.


One day, you might get paid to poo

Korean researchers have a brilliant idea to put your poop to work.

Paging Mr. Rogers

Won’t you be my neighbor — say fewer Americans than ever

We're connecting less and less with the people with whom we share streets and fences. How is that changing our communities?