Protecting the country’s freshwater supply is a huge environmental issue with increasing urgency, but it’s just getting started as a philanthropic cause. Here’s a crash course in the major players.
Since around 2005, the Walton Family Foundation has been pouring funds into environmental issues, with one of its main interests being the Colorado River. As part of the foundation’s freshwater conservation initiative, the funder gave $16.6 million to the cause just last year. Here's where it went.