Dr. Charles Kutscher, representing themself, testified in opposition to the bill. Heidi Leathwood, representing 350 Colorado, testified to amend the bill.

Cindy Copeland, representing Boulder County, testified in support of the bill. Mr. Paul Sherman, representing Conservation Colorado, testified in support of the bill. Jeff Riester, representing the Colorado Department of Law, testified in support of the bill. Dr. Angela Seligman, representing Clean Air Task Force, testified in support of the bill. Dr. Alex DeGolia, representing Environmental Defense Fund, testified in support of the bill. Lauren Mercer, representing the Colorado Department of Law, was available to answer committee questions. Members of the panel answered questions from members of the committee.

Jeff Robbins, representing the Energy & Carbon Management Commission, Department of Natural Resources, testified in support of the bill. Mike Rigby, representing the Energy & Carbon Management Commission, Department of Natural Resources, was available to answer committee questions. Members of the panel answered questions from members of the committee.

Written testimony was submitted to the committee (Attachment A).

The bill sponsors gave closing remarks on the bill. Members of the committee gave closing remarks on the bill.