In a dramatic policy shift, Tucson Electric Power says it will stop using coal to generate electricity by 2032 and will increase renewable energy’s share of its energy load to more than 70% by 2035.

Discover the best home-improvement products—lab-tested, expert-approved upgrades for kitchens, baths, and beyond from Good ...

Now, researchers from the Nanjing University of Aeronautics and Astronautics have developed a new solution, a floating DEG ...