Erica Gies

Groundwater recharge is the latest wave in water security.

How the 'One Water' movement is successfully leveraging new practices to improve the health, and wealth, of cities and businesses.

Communities looking to reduce fossil fuel use find opportunity in energy-hogging treatment plants.

Around the world, the industry is experimenting with new technologies. Here's the low-down on some of them.

In the wake of the Flint crisis, communities turn to innovative technology and financing to prevent the next crisis.

In the wake of the Flint crisis, communities turn to innovative technology and financing to prevent the next crisis.

From Houston to Melbourne, the surprising ways urban areas are dealing with water woes.

Arizona has used groundwater banking as a hedge aginst future water shortages. Should California embrace similar measures to mitigate its drought?

Blessed with lots of sun and keen to cut reliance on imported oil, Hawaii has moved to the forefront of U.S. solar installations. But could new financial and technical hurdles derail adoption?

Despite its environmental advantages, this non-food-based alternative fuel has proven difficult to produce at commercial scale.