Esri Blog: “Seventy-five percent of the world’s accessible freshwater originates in forested watersheds. Half of all Americans drink water filtered through forests. There is a powerful connection between trees and water. But until December 2025, no one had built a tool that could show—at global scale, down to a 30-meter pixel—exactly where planting trees would deliver meaningful water benefit. The Arbor Day Foundation changed that with the Forest-Water Impact Map. Built in partnership with 52impact, a Netherlands-based sustainability consultancy, the map lets corporations, conservation organizations, and reforestation partners calculate the water co-benefits of any planting site anywhere in the world. It’s the first tool to apply a globally accepted water-benefit accounting standard at this scale. To build the Forest-Water Impact Map, the Arbor Day Foundation started with an act of radical imagination. “Some partners speak in trees planted, others in gallons of water or acres restored. This map gives everyone a shared language and lets us connect the conversations about forests and water in a way that guides action,” said Ben Wilinsky, Arbor Day Foundation director of Partnerships and Innovation…”