More similar to a grotto or cave than a subway station, Stockholm’s Kungsträdgården Station is not only beautiful; it’s home to its own self-sufficient ecosystem. Photo: Thomas D Mørkeberg/Flickr ...

Two powerline workers operate a lift. China has invested billions in “ultra-high-voltage” powerlines that can efficiently carry power from remote generation sources to energy-hungry cities. Photo: ...

Today’s climate change headlines often seem at odds with each other. One day, it’s catastrophic wildfires wreaking havoc around the world; the next, it’s an optimistic piece on the rapid scale-up of ...

Today’s climate change headlines often seem at odds with each other. One day, it’s catastrophic wildfires wreaking havoc around the world; the next, it’s an optimistic piece on the rapid scale-up of ...

It’s easy to get overwhelmed by the big picture when it comes to cities. They’re home to more than half the global population, produce three quarters of GDP and greenhouse gas emissions, and are still ...