Add Yahoo as a preferred source to see more of our stories on Google. A wastewater heat recovery system operates Tuesday, Dec. 2, 2025, at the National Western Center in Denver. (AP Photo/Brittany ...

Add Yahoo as a preferred source to see more of our stories on Google. Inspired by the cracked, water-retaining skin of African elephants, architect Dorit Aviv and materials scientist Shu Yang have ...

As cities across the globe face record-high temperatures this summer, most of us are desperate to do anything for a little reprieve from the heat. Unfortunately, while potentially life-saving, ...

As summer temperatures soar across the United States and Europe, cities are being forced to confront the difficult reality that they're getting dangerously hot. One way to help cool buildings is to ...

NPR is dedicating a week to stories and conversations about how communities are moving forward on climate solutions despite significant political headwinds. As the federal government halts plans to ...

Cranking up the air conditioner is one way to keep buildings cool, but it guzzles energy. Passive materials can regulate interior temperatures more efficiently, and now scientists in South Korea have ...

DENVER (AP) — When a massive event center was being developed in Denver, planners had to contend with two existing 6-foot (1.8 meters) wide sewer pipes that emptied into the river, creating an ...