PBS NewsHour

Can scientists harvest fog to secure world's water supply?

Clip: 08/01/2019 | 6m 59s | Video has closed captioning.

The global water supply is constantly and increasingly threatened by climate change, overconsumption and poor management, among other forces. In an effort to bolster it, scientists around the world are leveraging familiar scientific principles with modern technology to capture water from the moisture in fog. John Yang reports on these innovative efforts to address the worsening water crisis.