Desperate for shade on your walk? There’s (almost) an app for that.

It’s getting increasingly unbearable, even downright dangerous, to walk in cities. That’s because of the urban heat island effect: Buildings, sidewalks, and roads absorb the sun’s energy and radiate it back at pedestrians, raising temperatures far above that you’d find in the surrounding countryside. If a city like Phoenix doesn’t...

A solution to data center backlash? Put them in oil fields.

Most Americans loathe data centers. Recent polling found that Democrats and Republicans alike would oppose having one in their neighborhood, and hundreds of communities across the country have fought against them, citing fears about noise, water contamination, and energy bills. After years spent courting tech companies, many politicians are now...