About this episode
On Earth, water gets evaporated by the sun from the planet’s surface, and then drops back down from the clouds when it rains. That’s a great source of water, but..is that water safe to drink? We asked environmental researcher Dr Jonathan Sexton to help us find the answer. Got a question in your bRAIN ? Send it to us at BrainsOn.org/contact , and we’ll help filter out the answer. See omnystudio.com/listener for privacy information.