ProGov21 Policy Library

The guide aims to inform decision-makers and planners about the multiple benefits green infrastructure (GI) delivers to communities. It examines the steps necessary to calculate a variety of performance benefits gained by implementing GI strategies and, where possible, demonstrates...

The urban heat island effect describes an increase in temperatures caused by heat absorbing surfaces in urban areas and heat-generating human activity. This guide explains how these heat islands are formed and outlines the impacts of extreme heat on public health, the economy, and...

This report highlights the importance of recognizing the infrastructure value of urban trees and integrating them into asset management systems. It emphasizes the need for cities like Portland to quantify the performance and benefits of trees, establish tree asset management (TAM)...

This report finds that urban parks reduce air temperatures, air pollution, ultraviolet radiation, and atmospheric carbon dioxide. It recommends preserving and increasing urban tree cover, planting long-lived trees, reducing fossil fuel use in maintaining natural urban spaces, and...