It is based on their 2017 voting record and represents the consensus of experts from about 20 respected environmental and conservation organizations. 100 rating is the best possible score.
Results for our area: Sen. Michael Bennet, (D-Denver), 84, Sen. Cory Gardner, (R-Yuma), 0 (zero!), Rep. Scott Tipton (R-Cortez), 6.
Colorado shows a huge gulf between the parties on environmental issues and Gardner and Tipton choosing pollution over people.
Jo Kopke
Bayfield