Air pollution throws shade on India's solar success

Air pollution is diminishing India's capacity to harness power from the sun, experts say, undermining billions being invested in renewables as the energy-hungry giant emerges as a solar superpower.

Saudi Arabian 'honesty' app takes internet by storm

Fizzing with boyish exuberance, Saudi programmer Zainalabdin Tawfiq could be mistaken for a college freshman, but the popularity of his "honesty" app has shone a spotlight on the conservative kingdom's nascent tech scene.

The wackiest innovations at Berlin's IFA 2017

Europe's biggest electronics show IFA is in full swing in Berlin, and alongside the familiar televisions and smartphones its aisles are bursting with gadgets on the stranger side.

Ships slowing in busy channel to protect endangered orcas

Ships moving through a busy channel off Washington state's San Juan Island are slowing down this summer as part of a study to determine whether that can reduce noise and benefit a small, endangered population of killer whales.

Toxic waste sites flooded in Houston area

As Dwight Chandler sipped beer and swept out the thick muck caked inside his devastated home, he worried whether Harvey's floodwaters had also washed in pollution from the old acid pit just a couple blocks away.