If you live in Portland, your lights may now be partly powered by your drinking water. An ingenious new system captures energy as water flows through the city’s pipes, creating hydropower without the negative environmental effects of something like a dam.
Small turbines in the pipes spin in the flo...
Minutes before 4 p.m. on a sizzling September day two years ago, right at the time when they were most needed, San Diego's air conditioners suddenly died. Thousands of television and computer screens also flickered into darkness. Stoplights stopped working, gas stations ceased pumping, and traffic s...
SAN FRANCISCO – A massive fire burning near Yosemite National Park continued its spread Sunday, threatening not only ancient giant sequoia groves but also the municipal water and power system for San Francisco and nearby cities. The most-visited areas of Yosemite National Park are not in danger, off...
