You can save a little power in a lot of places. These solar gadgets cover household cooling, portable power, trickle charging ...

Beat the heat with solar or rechargeable fans. Discover the best options for eco-friendly, cost-effective cooling in Nigeria. I’ve found myself wishing for a solar fan every time my rechargeable fan ...

Cooling your home this summer will likely cost more than ever. Across the U.S., residential electricity bills are climbing fast, just as forecasters warn of another season of unrelenting heat.

From camping gear to emergency backups, these Amazon picks blend solar charging with USB-C for flexible power at home or ...

Professor Shanhui Fan and a team at Stanford University have built what they call “moonlight panels,” devices that generate electricity after the sun goes down by exploiting the temperature difference ...

Heatwaves can slightly reduce the efficiency of solar panels, mainly because higher temperatures lower panel voltage. But in the UK, the penalty is usually modest, and Britain’s record hot day in July ...