Green-Gray Assessment: How to Assess the Costs and Benefits of Green Infrastructure for Water Supply Systemsby Erin Gray, Suzanne Ozment, Juan-Carlos Altamirano, Rafael Feltran-Barbieri and Ana Gabriela Morales - August 2019
A growing body of research shows that healthy watersheds are a vital component of a well-functioning water supply infrastructure system. WRI’s Green-Gray Assessment (GGA) method allows stakeholders to value the costs and benefits of integrating green or natural infrastructure into water supply...
by Ana Gabriela Morales, Suzanne Ozment and Erin Gray - August 2019
The Natural Infrastructure for Aquifer Recharge Financial Calculator, is an excel based tool with a flexible financial model that estimates the private costs and benefits, including the return on investment (ROI), of natural infrastructure interventions designed to enhance aquifer...
by Greg Browder, Suzanne Ozment, Irene Rehberger Bescos, Todd Gartner and Glenn-Marie Lange - March 2019
Traditional infrastructure systems worldwide rely on built solutions to support the smooth and safe functioning of societies. in the face of multiplying environmental threats, this approach alone can no longer provide the climate resiliency and level of services required in the 21st century....
by Todd Gartner, Climate Bonds Initiative, CDP, Ceres and Alliance for Global Water Adaptation - May 2018
Healthy ecosystems like forests, wetlands, and farms are nature's water infrastructure. They are essential for buffering against floods and the provision of clean, ample water around the world – feeding growth in agriculture, industry, and cities. But unlike traditional pipes and pumps, “natural...
Lessons from United States Watershed Investment Programsby Suzanne Ozment, Todd Gartner, Heidi Huber-Stearns, Kara DiFrancesco, Nathaniel Lichten and Sylvia Tognetti - October 2016
Watershed investment programs offer promising pathways to securing safe drinking water. But what does it take to establish and grow a successful watershed investment program? Program investors and practitioners are looking for guidance and ideas on how to build a program that works for their own...
A Product of the National Network on Water Quality Tradingby Todd Gartner - June 2015
This report aims to provide a reference on common elements and decisions inherent in water quality trading (WQT) program design, especially point-nonpoint WQT programs and the range of available options.
It is intended to help establish WQT programs, provide greater transparency about...
Pathways For Scaling up the Inclusion of Ecosystem Value in Decision Makingby Lauretta Burke, Janet Ranganathan and Robert Winterbottom - April 2015
The goal of this “revaluing” effort is to promote longer-term thinking and create incentives to protect and restore ecosystems and ensure their sustainable use. The issue brief presents 6 key issues which emerged.
Investing in Forested Landscapes for Source Water Protection in the United Statesby Todd Gartner, James Mulligan, Rowan Schmidt and John Gunn - October 2013
Aging water infrastructure, increasing demand, continued land use change, and increasingly extreme weather events are driving the costs of water management higher in the United States. Investing in integrated water management strategies that combine engineered solutions with "natural...
by John Talberth, Erin Gray, Evan Branosky and Todd Gartner - February 2012
This issue brief describes analyses by the World Resources
Institute (WRI) in support of emerging payments for watershed
services (PWS) programs in two major watersheds in Maine and
North Carolina and insights gleaned from work in progress. The
three pilot initiatives...