The Western Climate Initiative, launched in February 2007, is a collaboration of seven U.S. governors and four Canadian Premiers. For a map showing Partners and Observers click here.

WCI was created to identify, evaluate, and implement collective and cooperative ways to reduce greenhouse gases in the region, focusing on a market-based cap-and-trade system. 

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NEW! Reporting Committee Releases Documents for Public Comment - January 6, 2009. For more information click on "WCI Documents." Stakeholders are encouraged to provide comments on these draft requirements as soon as possible. Note: At the request of stakholders, these documents are now available in Word format.

Stakeholder Events:      

Upcoming stakeholder events are posted here. For information on recent teleconferences and sessions click on  "Meetings and Events" at left.

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Design Recommendations for the WCI Regional Cap-and-Trade Program 
Complete Report with Appendices  [122 pp]

Note: Table B-10 in Appendix B did not include the correct estimates for fuel expenditures for the Reference Case.  Table B-10 has been corrected, and the revised documents were posted here on November 10.  The incorrect estimates were only used in Table B-10 and did not affect the comparisons of the Reference Case to the policy cases or the sensitivity cases.

Report by major sections:  
Section 1: Design Recommendations   [14 pp]
Section 2: Background Report   [45 pp]   
Appendix A: Western Regional Climate Action Initiative Agreement  [3 pp]
Appendix B: Economic Modeling Results  [48 pp]
Appendix C: General Q & A  [2 pp]

French translation: WCI (Francais)

Supporting materials:
September 23, 2008 Press Release
General Q & A 
Overview/Fact Sheet
Map of the WCI Region