Deposit Photos
Deposit Photos
ColoradoBiz Staff //January 9, 2026//
DENVER — Colorado received top marks for environmental reporting and data transparency for the second consecutive year from CDP, a global nonprofit that operates an independent environmental disclosure system.
Colorado was one of two states to earn CDP’s A-list designation among 91 states and regions that disclosed data in 2025. CDP also named 30 U.S. cities to the A-list, including Aspen, Denver, Fort Collins and Lakewood.
Gov. Jared Polis said the state’s use of data supports climate decision-making, cost savings and protection of natural resources.
Jill Hunsaker Ryan, executive director of the Colorado Department of Public Health and Environment, said the designation reflects the state’s use of data to set emissions targets, implement reduction strategies and measure progress. She said lower emissions improve public health and reduce health-related costs.
To qualify for A-list status, states and local governments were required to publish an emissions inventory, a climate risk and vulnerability assessment and a climate action plan through CDP. Jurisdictions must also work toward net-zero greenhouse gas emissions by 2050 or earlier and track progress toward that goal.
State officials said data transparency and accessibility are key components of Colorado’s environmental justice strategy. The state works with local governments, communities and businesses to support efforts to reduce emissions, improve air quality and lower costs for residents.
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