Regional Transportation District-Denver (RTD) issued their first Certified Climate Bonds in February 2021. RTD provides transit services to over 3 million people in around Denver, Colorado and refinanced transit system expansion and maintenance projects with the 2021 bond offering that are expected to enable major reductions in transit sector greenhouse gas emissions. As an external reviewer, Kestrel verified that the refinanced projects meet the stringent qualitative standards of the Climate Bonds Initiative’s Transport Criteria.