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Colorado Environment Key Votes

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Vote Smart provides easy access to congressional and state voting records and maintains a collection of key votes grouped by issue. Vote Smart uses the following criteria to select key votes:

  1. The vote should be helpful in portraying how a member stands on a particular issue
  2. The vote should be clear for any person to understand
  3. The vote has received media attention
  4. The vote was passed or defeated by a very close margin
  5. Occasionally, if a specific bill is consistently inquired about on the Voter's Research Hotline, the vote will be added

Vote Smart provides a summary of the version of the bill text associated with each selected key vote. Our summaries are written by Vote Smart's staff and interns, who adhere to our strict policies and procedures in order to guarantee absolute impartiality and accuracy. They do not necessarily reflect the content of the final version of the bill, but rather the version voted on in that stage. While many procedural votes take place before a full chamber vote, our voting stages reflect the final reading of each chamber vote. Each key vote selection is reviewed by the project's community of advisors, who are political scientists and journalists from all fifty states.

For more information about the legislative process, see here.

results per page:
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Date State Bill No. Title Outcome
May 6, 2025 CO SB 25-299 Requires that Companies Selling Residential Solar-Power Systems Disclose the Terms of Financing Concurrence Vote Passed - Senate (24 - 11)
May 6, 2025 CO SB 25-299 Requires that Companies Selling Residential Solar-Power Systems Disclose the Terms of Financing Bill Passed - House (43 - 22)
April 23, 2025 CO HB 25-1302 Establishes a 1.5% Tax on Homeowner Insurance Policies in Colorado and Appropriates Revenues to an Environmental Risk Grant Program Bill Passed - House (40 - 24)
April 11, 2025 CO HB 25-1182 Requires Home Insurance Companies to Take into Account Wildfire Mitigation Work Done by Homeowners and Communities when Calculating a Property's Risk Concurrence Vote Passed - House (42 - 20)
April 11, 2025 CO HB 25-1113 Prohibits Local Governments from Allowing Nonfunctional Turf from being Installed as part of a New or Redeveloped Multifamily Residential Property Concurrence Vote Passed - House (41 - 21)
April 4, 2025 CO HB 25-1113 Prohibits Local Governments from Allowing Nonfunctional Turf from being Installed as part of a New or Redeveloped Multifamily Residential Property Bill Passed - Senate (24 - 11)
April 4, 2025 CO HB 25-1182 Requires Home Insurance Companies to Take into Account Wildfire Mitigation Work Done by Homeowners and Communities when Calculating a Property's Risk Bill Passed - Senate (33 - 1)
April 2, 2025 CO HB 25-1277 Establishes Fuel Labeling Requirements for Colorado Retailers Bill Passed - House (33 - 30)
March 17, 2025 CO HB 25-1009 Authorizes Fire Protection Provisions that Allow Metropolitan Districts to Require the Removal of Dead or Dry Material that can Fuel a Wildfire Concurrence Vote Passed - House (43 - 20)
March 17, 2025 CO HB 25-1091 Establishes the Agaricus Julius Mushroom as Colorado's State Mushroom Concurrence Vote Passed - House (59 - 4)
March 14, 2025 CO HB 25-1040 Defines Nuclear Energy as a Clean Energy Resource Bill Passed - Senate (29 - 5)
March 12, 2025 CO HB 25-1091 Establishes the Agaricus Julius Mushroom as Colorado's State Mushroom Bill Passed - Senate (56 - 7)
March 11, 2025 CO HB 25-1009 Authorizes Fire Protection Provisions that Allow Metropolitan Districts to Require the Removal of Dead or Dry Material that can Fuel a Wildfire Bill Passed - Senate (23 - 11)
Feb. 25, 2025 CO HB 25-1040 Defines Nuclear Energy as a Clean Energy Resource Bill Passed - House (43 - 18)
May 6, 2024 CO HB 24-1379 Requires the State's Water Quality Control Commission to Establish Rules by the End of 2025 Concurrence Vote Passed - Senate (25 - 9)
May 6, 2024 CO SB 24-229 Requires State Regulators Codify Pre-Established Targets to Reduce Ozone (Nitrogen-Oxide) Emissions Concurrence Vote Passed - Senate (23 - 12)
May 6, 2024 CO HB 24-1379 Requires the State's Water Quality Control Commission to Establish Rules by the End of 2025 Concurrence Vote Passed - House (56 - 7)
May 6, 2024 CO SB 24-229 Requires State Regulators Codify Pre-Established Targets to Reduce Ozone (Nitrogen-Oxide) Emissions Bill Passed - House (43 - 18)
May 6, 2024 CO SB 24-230 Increases Support for Statewide Remediation Services for the Environment Bill Passed - House (40 - 18)
May 4, 2024 CO SB 24-230 Increases Support for Statewide Remediation Services for the Environment Bill Passed - Senate (21 - 12)
Feb. 29, 2024 CO SB 24-005 Prohibits Landscaping Practices for Water Conservations Purposes Bill Passed - House (48 - 14)
Feb. 23, 2024 CO SB 24-1091 Prohibits the use of Fire-hardened Building Materials in Residential Real Property Bill Passed - Senate (24 - 7)
Feb. 5, 2024 CO SB 24-1091 Prohibits the use of Fire-hardened Building Materials in Residential Real Property Bill Passed - House (49 - 15)
Jan. 31, 2024 CO SB 24-005 Prohibits Landscaping Practices for Water Conservations Purposes Bill Passed - Senate (28 - 5)
May 8, 2023 CO HB 23-1294 Establishes New Anti-Pollution Protocols and Creates a New Research Task Force Concurrence Vote Passed - House (42 - 18)
May 8, 2023 CO HB 23-1294 Establishes New Anti-Pollution Protocols and Creates a New Research Task Force Bill Passed - Senate (23 - 12)
May 7, 2023 CO HB 23-1242 Amending Water Conservation Rules For the State Concurrence Vote Passed - House (51 - 13)
May 4, 2023 CO HB 23-1233 Limits the State Electrical Board From Prohibiting the Installation of Electric Charging Stations Concurrence Vote Passed - House (46 - 17)
May 4, 2023 CO HB 23-1242 Amending Water Conservation Rules For the State Bill Passed - Senate (23 - 12)
May 2, 2023 CO HB 23-1233 Limits the State Electrical Board From Prohibiting the Installation of Electric Charging Stations Bill Passed - Senate (22 - 12)
April 24, 2023 CO SB 23-163 Classifies Wildlife Officers as State Troopers Bill Passed - House (61 - 3)
April 3, 2023 CO SB 23-163 Classifies Wildlife Officers as State Troopers Bill Passed - Senate (33 - 1)
Feb. 16, 2023 CO SB 23-128 Appropriates Funding for the State Department of Public Health and Environment Bill Passed - House (46 - 18)
Feb. 9, 2023 CO SB 23-128 Appropriates Funding for the State Department of Public Health and Environment Bill Passed - Senate (25 - 9)
Jan. 31, 2023 CO HB 23-1058 Amends Definition of "Child-Occupied Facility" as Relates to Lead-Based Paint Abatement Bill Passed - House (54 - 9)
May 11, 2022 CO HB 22-1362 Reduces State Greenhouse Gas Emissions Concurrence Vote Passed - House (43 - 22)
May 10, 2022 CO SB 22-193 Authorizes Grants and Funds towards Improving Air Quality Bill Passed - House (41 - 24)
May 9, 2022 CO HB 22-1362 Reduces State Greenhouse Gas Emissions Bill Passed - Senate (21 - 14)
April 22, 2022 CO HB 22-1111 Establishes New Insurance Coverage Requirements for Homeowners in the Event of Total Loss Due to Wildfire Concurrence Vote Passed - House (54 - 10)
April 20, 2022 CO HB 22-1111 Establishes New Insurance Coverage Requirements for Homeowners in the Event of Total Loss Due to Wildfire Bill Passed - Senate (29 - 5)
April 18, 2022 CO SB 22-193 Authorizes Grants and Funds towards Improving Air Quality Bill Passed - Senate (21 - 13)
June 3, 2021 CO SB 21-072 Expands Electric Transmission Facilities to Meet Clean Energy Goals Bill Passed - House (49 - 15)
May 12, 2021 CO SB 21-246 Extends Assistance to Aid in the Transition to "Healthier" Homes Bill Passed - Senate (21 - 14)
June 11, 2020 CO HB 20-1265 Establishes an Emergency Notification Service for Air Quality Incidents Bill Passed - Senate (20 - 15)
June 10, 2020 CO HB 20-1143 Increases Maximum Fines for Air and Water Quality Violations Bill Passed - Senate (20 - 14)
June 5, 2020 CO HB 20-1143 Increases Maximum Fines for Air and Water Quality Violations Bill Passed - House (40 - 24)
May 1, 2019 CO HB 19-1261 Authorizes Regulations on Greenhouse Gases Concurrence Vote Passed - House (38 - 24)
May 1, 2019 CO HB 19-1261 Authorizes Regulations on Greenhouse Gases Bill Passed - Senate (20 - 15)
April 3, 2019 CO SB 19-181 Amends Local Environmental Regulations Concurrence Vote Passed - Senate (19 - 16)
March 13, 2019 CO SB 19-181 Amends Local Environmental Regulations Bill Passed - Senate (19 - 15)
March 23, 2015 CO HB 1259 Authorizes Collection of Rooftop Precipitation Bill Passed - House (45 - 20)
Feb. 19, 2015 CO HB 1144 Prohibits Production and Sale of Products Containing Microbeads Bill Passed - House (47 - 18)
May 11, 2010 CO HB 1358 Authorizing Home Buyers to Purchase Water Efficiency Devices Up Front Concurrence Vote Passed - House (38 - 27)
May 7, 2010 CO HB 1358 Authorizing Home Buyers to Purchase Water Efficiency Devices Up Front Bill Passed - Senate (21 - 14)
April 28, 2010 CO HB 1348 Regulations on Radioactive Material Bill Passed - Senate (24 - 9)
Feb. 15, 2010 CO SB 100 Multi-County Local Improvement Districts Bill Passed - Senate (24 - 10)
May 5, 2008 CO HB 1161 Mining Regulation Concurrence Vote Passed - House (49 - 15)
May 5, 2008 CO SB 226 Zebra Mussels Ban Bill Passed - House (54 - 11)
May 2, 2008 CO HB 1161 Mining Regulation Bill Passed - Senate (32 - 2)
April 15, 2008 CO HB 1270 Prohibiting Restrictions on Energy Efficiency Measures Concurrence Vote Passed - House (54 - 10)
April 1, 2008 CO HB 1280 Extending Water Rights Concurrence Vote Passed - House (56 - 8)
March 31, 2008 CO HB 1270 Prohibiting Restrictions on Energy Efficiency Measures Bill Passed - Senate (21 - 13)
March 31, 2008 CO HB 1161 Mining Regulation Bill Passed - House (49 - 16)
March 27, 2008 CO HB 1280 Extending Water Rights Bill Passed - Senate (32 - 2)
March 7, 2008 CO HB 1025 Governor's Energy Office Concurrence Vote Passed - House (56 - 7)
March 6, 2008 CO HB 1025 Governor's Energy Office Bill Passed - Senate (20 - 13)
Feb. 27, 2008 CO HB 1069 Prohibiting Motor Vehicles on Public Lands Bill Passed - Senate (23 - 8)
Feb. 27, 2008 CO HB 1280 Extending Water Rights Bill Passed - House (59 - 6)
Feb. 27, 2008 CO HB 1107 Energy Efficiency Requirements Bill Passed - House (33 - 32)
Feb. 27, 2008 CO HB 1270 Prohibiting Restrictions on Energy Efficiency Measures Bill Passed - House (45 - 20)
Jan. 30, 2008 CO HB 1069 Prohibiting Motor Vehicles on Public Lands Bill Passed - House (43 - 22)
Jan. 30, 2008 CO HB 1025 Governor's Energy Office Bill Passed - House (59 - 5)
Jan. 24, 2008 CO GN Baker Matt Baker to the Public Utilities Commission Nomination Confirmed - Senate (21 - 13)
March 23, 2007 CO HB 1341 Oil and Gas Commission Reconfiguration Bill Passed - House (37 - 27)
Feb. 26, 2007 CO HB 1036 Eminent Domain Over Water Rights Bill Passed - House (34 - 30)
May 4, 2006 CO SB 138 Ethanol Requirement Act Bill Passed - House (42 - 22)
April 27, 2006 CO SB 138 Ethanol Requirement Act Bill Passed - Senate (24 - 11)
Date No. Title Outcome
5/06 SB 25-299 Requires that Companies Selling Residential Solar-Power Systems Disclose the Terms of Financing Concurrence Vote Passed - Senate (24 - 11)
5/06 SB 25-299 Requires that Companies Selling Residential Solar-Power Systems Disclose the Terms of Financing Bill Passed - House (43 - 22)
4/23 HB 25-1302 Establishes a 1.5% Tax on Homeowner Insurance Policies in Colorado and Appropriates Revenues to an Environmental Risk Grant Program Bill Passed - House (40 - 24)
4/11 HB 25-1182 Requires Home Insurance Companies to Take into Account Wildfire Mitigation Work Done by Homeowners and Communities when Calculating a Property's Risk Concurrence Vote Passed - House (42 - 20)
4/11 HB 25-1113 Prohibits Local Governments from Allowing Nonfunctional Turf from being Installed as part of a New or Redeveloped Multifamily Residential Property Concurrence Vote Passed - House (41 - 21)
4/04 HB 25-1113 Prohibits Local Governments from Allowing Nonfunctional Turf from being Installed as part of a New or Redeveloped Multifamily Residential Property Bill Passed - Senate (24 - 11)
4/04 HB 25-1182 Requires Home Insurance Companies to Take into Account Wildfire Mitigation Work Done by Homeowners and Communities when Calculating a Property's Risk Bill Passed - Senate (33 - 1)
4/02 HB 25-1277 Establishes Fuel Labeling Requirements for Colorado Retailers Bill Passed - House (33 - 30)
3/17 HB 25-1009 Authorizes Fire Protection Provisions that Allow Metropolitan Districts to Require the Removal of Dead or Dry Material that can Fuel a Wildfire Concurrence Vote Passed - House (43 - 20)
3/17 HB 25-1091 Establishes the Agaricus Julius Mushroom as Colorado's State Mushroom Concurrence Vote Passed - House (59 - 4)
3/14 HB 25-1040 Defines Nuclear Energy as a Clean Energy Resource Bill Passed - Senate (29 - 5)
3/12 HB 25-1091 Establishes the Agaricus Julius Mushroom as Colorado's State Mushroom Bill Passed - Senate (56 - 7)
3/11 HB 25-1009 Authorizes Fire Protection Provisions that Allow Metropolitan Districts to Require the Removal of Dead or Dry Material that can Fuel a Wildfire Bill Passed - Senate (23 - 11)
2/25 HB 25-1040 Defines Nuclear Energy as a Clean Energy Resource Bill Passed - House (43 - 18)
5/06 HB 24-1379 Requires the State's Water Quality Control Commission to Establish Rules by the End of 2025 Concurrence Vote Passed - Senate (25 - 9)
5/06 SB 24-229 Requires State Regulators Codify Pre-Established Targets to Reduce Ozone (Nitrogen-Oxide) Emissions Concurrence Vote Passed - Senate (23 - 12)
5/06 HB 24-1379 Requires the State's Water Quality Control Commission to Establish Rules by the End of 2025 Concurrence Vote Passed - House (56 - 7)
5/06 SB 24-229 Requires State Regulators Codify Pre-Established Targets to Reduce Ozone (Nitrogen-Oxide) Emissions Bill Passed - House (43 - 18)
5/06 SB 24-230 Increases Support for Statewide Remediation Services for the Environment Bill Passed - House (40 - 18)
5/04 SB 24-230 Increases Support for Statewide Remediation Services for the Environment Bill Passed - Senate (21 - 12)
2/29 SB 24-005 Prohibits Landscaping Practices for Water Conservations Purposes Bill Passed - House (48 - 14)
2/23 SB 24-1091 Prohibits the use of Fire-hardened Building Materials in Residential Real Property Bill Passed - Senate (24 - 7)
2/05 SB 24-1091 Prohibits the use of Fire-hardened Building Materials in Residential Real Property Bill Passed - House (49 - 15)
1/31 SB 24-005 Prohibits Landscaping Practices for Water Conservations Purposes Bill Passed - Senate (28 - 5)
5/08 HB 23-1294 Establishes New Anti-Pollution Protocols and Creates a New Research Task Force Concurrence Vote Passed - House (42 - 18)
5/08 HB 23-1294 Establishes New Anti-Pollution Protocols and Creates a New Research Task Force Bill Passed - Senate (23 - 12)
5/07 HB 23-1242 Amending Water Conservation Rules For the State Concurrence Vote Passed - House (51 - 13)
5/04 HB 23-1233 Limits the State Electrical Board From Prohibiting the Installation of Electric Charging Stations Concurrence Vote Passed - House (46 - 17)
5/04 HB 23-1242 Amending Water Conservation Rules For the State Bill Passed - Senate (23 - 12)
5/02 HB 23-1233 Limits the State Electrical Board From Prohibiting the Installation of Electric Charging Stations Bill Passed - Senate (22 - 12)
4/24 SB 23-163 Classifies Wildlife Officers as State Troopers Bill Passed - House (61 - 3)
4/03 SB 23-163 Classifies Wildlife Officers as State Troopers Bill Passed - Senate (33 - 1)
2/16 SB 23-128 Appropriates Funding for the State Department of Public Health and Environment Bill Passed - House (46 - 18)
2/09 SB 23-128 Appropriates Funding for the State Department of Public Health and Environment Bill Passed - Senate (25 - 9)
1/31 HB 23-1058 Amends Definition of "Child-Occupied Facility" as Relates to Lead-Based Paint Abatement Bill Passed - House (54 - 9)
5/11 HB 22-1362 Reduces State Greenhouse Gas Emissions Concurrence Vote Passed - House (43 - 22)
5/10 SB 22-193 Authorizes Grants and Funds towards Improving Air Quality Bill Passed - House (41 - 24)
5/09 HB 22-1362 Reduces State Greenhouse Gas Emissions Bill Passed - Senate (21 - 14)
4/22 HB 22-1111 Establishes New Insurance Coverage Requirements for Homeowners in the Event of Total Loss Due to Wildfire Concurrence Vote Passed - House (54 - 10)
4/20 HB 22-1111 Establishes New Insurance Coverage Requirements for Homeowners in the Event of Total Loss Due to Wildfire Bill Passed - Senate (29 - 5)
4/18 SB 22-193 Authorizes Grants and Funds towards Improving Air Quality Bill Passed - Senate (21 - 13)
6/03 SB 21-072 Expands Electric Transmission Facilities to Meet Clean Energy Goals Bill Passed - House (49 - 15)
5/12 SB 21-246 Extends Assistance to Aid in the Transition to "Healthier" Homes Bill Passed - Senate (21 - 14)
6/11 HB 20-1265 Establishes an Emergency Notification Service for Air Quality Incidents Bill Passed - Senate (20 - 15)
6/10 HB 20-1143 Increases Maximum Fines for Air and Water Quality Violations Bill Passed - Senate (20 - 14)
6/05 HB 20-1143 Increases Maximum Fines for Air and Water Quality Violations Bill Passed - House (40 - 24)
5/01 HB 19-1261 Authorizes Regulations on Greenhouse Gases Concurrence Vote Passed - House (38 - 24)
5/01 HB 19-1261 Authorizes Regulations on Greenhouse Gases Bill Passed - Senate (20 - 15)
4/03 SB 19-181 Amends Local Environmental Regulations Concurrence Vote Passed - Senate (19 - 16)
3/13 SB 19-181 Amends Local Environmental Regulations Bill Passed - Senate (19 - 15)
3/23 HB 1259 Authorizes Collection of Rooftop Precipitation Bill Passed - House (45 - 20)
2/19 HB 1144 Prohibits Production and Sale of Products Containing Microbeads Bill Passed - House (47 - 18)
5/11 HB 1358 Authorizing Home Buyers to Purchase Water Efficiency Devices Up Front Concurrence Vote Passed - House (38 - 27)
5/07 HB 1358 Authorizing Home Buyers to Purchase Water Efficiency Devices Up Front Bill Passed - Senate (21 - 14)
4/28 HB 1348 Regulations on Radioactive Material Bill Passed - Senate (24 - 9)
2/15 SB 100 Multi-County Local Improvement Districts Bill Passed - Senate (24 - 10)
5/05 HB 1161 Mining Regulation Concurrence Vote Passed - House (49 - 15)
5/05 SB 226 Zebra Mussels Ban Bill Passed - House (54 - 11)
5/02 HB 1161 Mining Regulation Bill Passed - Senate (32 - 2)
4/15 HB 1270 Prohibiting Restrictions on Energy Efficiency Measures Concurrence Vote Passed - House (54 - 10)
4/01 HB 1280 Extending Water Rights Concurrence Vote Passed - House (56 - 8)
3/31 HB 1270 Prohibiting Restrictions on Energy Efficiency Measures Bill Passed - Senate (21 - 13)
3/31 HB 1161 Mining Regulation Bill Passed - House (49 - 16)
3/27 HB 1280 Extending Water Rights Bill Passed - Senate (32 - 2)
3/07 HB 1025 Governor's Energy Office Concurrence Vote Passed - House (56 - 7)
3/06 HB 1025 Governor's Energy Office Bill Passed - Senate (20 - 13)
2/27 HB 1069 Prohibiting Motor Vehicles on Public Lands Bill Passed - Senate (23 - 8)
2/27 HB 1280 Extending Water Rights Bill Passed - House (59 - 6)
2/27 HB 1107 Energy Efficiency Requirements Bill Passed - House (33 - 32)
2/27 HB 1270 Prohibiting Restrictions on Energy Efficiency Measures Bill Passed - House (45 - 20)
1/30 HB 1069 Prohibiting Motor Vehicles on Public Lands Bill Passed - House (43 - 22)
1/30 HB 1025 Governor's Energy Office Bill Passed - House (59 - 5)
1/24 GN Baker Matt Baker to the Public Utilities Commission Nomination Confirmed - Senate (21 - 13)
3/23 HB 1341 Oil and Gas Commission Reconfiguration Bill Passed - House (37 - 27)
2/26 HB 1036 Eminent Domain Over Water Rights Bill Passed - House (34 - 30)
5/04 SB 138 Ethanol Requirement Act Bill Passed - House (42 - 22)
4/27 SB 138 Ethanol Requirement Act Bill Passed - Senate (24 - 11)
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