There’s an inseparable bond between water and life–a few raindrops can cause deserts to bloom, water travels through trees in the Amazon to create giant rivers in the air, and migrating animals follow water around the planet. But the world is changing; drought-chasing scientists examine what happens when the pulse falters, showing how the flow of water is driven by its relationship with life.

Originally released by PBS, 2020. Streaming video file encoded with permission for digital streaming by Infobase on April 09, 2020.