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This project was a partnership between the Colorado Department of Public Health and Environment (CDPHE) and the Community Engagement, Design and Research (CEDaR) Center at the University of Colorado Boulder. The Shade Canopy Assessment established a citywide understanding of shade distribution and sun exposure in Denver’s public spaces to inform equitable access to outdoor comfort and health.

Using a data-driven and technology-based approach, the project team developed a Sun Risk Index and Shade Score to evaluate shade coverage and UV exposure across Denver. High-resolution GIS data were used to map tree canopy, built shade, land surface temperature, and socio-economic indicators at the neighborhood and block-group levels. These spatial analyses were complemented by detailed field audits and observations of outdoor physical activity.

Results revealed significant inequities in shade availability: low-income neighborhoods, communities of color, and areas with high child populations face the greatest combined heat and UV risks. The project provided Denver’s first comprehensive framework for identifying priority areas for shade investment and served as the foundation for developing citywide design guidelines.

This project was led byÌý

Sara Tabatabaie, Teaching Assistant Professor, with support from CEDaR interns Loan Shockey, Cameron Cooper, Carl (CJ) Eberly, and Theodor Johnson Mencimer.

Link to Phase 2: Shade Design Guidelines — Designing for Sun Safety and Environmental Equity