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The effective date for bills enacted without a safety clause is August 6, 2025, if the General Assembly adjourns sine die on May 7, 2025 (unless otherwise specified). Details

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Previous Session GHG Reports

The table below provides information on the greenhouse gas emissions reports that were published in previous sessions.

Session
Bill Number
Bill Title
Requesting Caucus
Published Analyses
2023
Tax Policy That Advances Decarbonization
House Democrates
2022 SB 22-051 Policies to Reduce Emissions from the Build Environment Senate Democrats
2022 SB 22-138 Reduce Greenhouse Gas Emissions in Colorado Senate Democrats
2021
Public Utilities Commission Modernize Electric Transmission Infrastructure 
Senate Democrats
2021
Voluntary Reduction of Greenhouse Gas Emissions by Natural Gas Utilities
Senate Democrats
2021
Public Utilities Commission Modernize Gas Utility Demand Side Management Standards
House Democrats
2021
Global Warming Potential for Public Project Materials
House Democrats
2020 SB 20-038
Statewide Biodiesel Blend Requirement Diesel Fuel Sales
Senate Republicans
2020 SB 20-150 Adopt Renewable Natural Gas Standard Senate Democrats