After three years of unrelenting drought, the South African city of Cape Town is at risk of running out of water.

Even in the driest places on Earth there is life eking out an existence, it seems.

wo technological revolutions are shaping the dawn of the 21st century: the development of the internet and the shift towards a carbon-free global energy system.

President Trump has ordered vast portions of two national monuments in Utah stripped of protections.

While working in the field of product design, Sarah Zuhlsdorf became increasingly troubled by a pervasive feature of her job: waste.

PG&E is a gas and electric company headquartered in San Francisco that provides service to about 16 million people throughout northern and central California.

While the seafood industry grows, driven by rising demand from a health-conscious middle class, fish stocks are struggling to keep up.

Electrified autonomous vehicles will revolutionize urban mobility by reducing travel costs by up to 40 percent and cut down CO2 marginal emissions to zero, a World Economic Forum (WEF) report said Tuesday.

Iceland is facing an "exponential" rise in Bitcoin mining that is gobbling up power resources, a spokesman for Icelandic energy firm HS Orka has said.

As the world moves toward a low-carbon economy, a fourth industrial revolution is taking place where advances in digital technology, artificial intelligence and robotics are combining to fundamentally change the way we live, work and do business.