Fog catchers have been providing water to people in dry, mountainous regions for decades. Due to climate change, more regions get drier, pushing the need for this technology.
New solar technologies promise a more sustainable way for water-starved communities to squeeze drinkable water out of the salty seas.
The way we’ve historically generated energy from water is not good for the environment. Here’s how that’s changing.
In the face of large-scale industrial water pollution, technologists are demonstrating the surprising value of wastewater.