Across North America over the last week, as wildfires raging in Minnesota and Ontario released huge plumes of smoke, air ...

As large swathes of Europe and Asia swelter through record heatwaves this summer, discussions have centred around an obvious way to keep people cool: more air conditioners. Popular in high-income ...

Few human experiences are as universal—or as poorly understood—as loneliness. More than just feeling blue and the inspiration ...