Updraft® is your source for Minnesota forecasts and insights from our expert meteorologists, Paul Huttner, Sven Sundgaard and Mandy Thalhuber. MPR News brings you the latest weather outlook, across ...

A new breed of solar tower may soon be sprouting up in Namibia, providing the nation with a carbon-free source of electricity and food during the day and night. At one and a half kilometers tall and ...

A solar updraft system works by heating up the air at ground level, then using the fact that hot air rises to funnel that air up a tall tower with turbines in it. The air is heated under a large roof ...