Podcast:Fresh Air Published On: Thu Sep 29 2022 Description: 40 million people rely on water from the Colorado River, but overuse and global warming have combined to create a water emergency. Tough choices must be made soon, or farms and cities will face critical shortages. We talk with ProPublica investigative reporter Abrahm Lustgarten.millionJazz critic Kevin Whitehead reviews a recording by pianist Mal Waldron.