Animal Humane Society:
Dog Parks and Play

American Kennel Club:
Establishing a Dog Park in Your Community

American Association for Cancer Research:
AACR Cancer Progress Report 2023

Bureau of land management:
Night Sky & Dark Environments

Change Lab Solutions:
Complete Parks Indicators
Complete Parks Playbook
Playing Smart
Shared Use Playbook

Kaiser Permanente:
National Study of Playgrounds

National Recreation & Park Association:
2023 Agency Performance Review
2024 Agency Performance Review
Guide to Green Infrastructure in Parks
Rejuvenating Neighborhoods And Communities Through Parks
The Economic Impact of Local Parks

Outdoor Industry Association:
The Outdoor Recreation Economy

Playground Surfaces:
What Works (and Plays) Today

U.S. Access Board:
Outdoor Developed Areas Access Standards
Summary of Access Guidelines for Play Areas
Surfacing the Accessible Playground

U.S. Consumer Product Safety Commission:
Public Playground Safety Handbook

U.S. Department of Energy:
Solar at Night

U.S. Dept. of Health & Human Services:
Shade Planning for America’s Schools
Skin Cancer Prevention Progress Report 2019
Skin Cancer Prevention Progress Report 2018

U.S. Environmental Protection Agency:
Green Infrastructure in Parks Guide
The SunWise School Program Guide

Urban Institute:
Health & Economic Benefits of Parks