Meet Colorado’s Beyond Natural Gas rep

By Catherine Collentine
Beyond Natural Gas Campaign

Catherine Collentine
Catherine Collentine

My name is Catherine Collentine, and I’m excited to introduce myself as the newest addition to the Sierra Club staff asColorado’s Beyond Natural Gas Campaign representative. Based in Denver, I am developing state-based strategies that will keep fracked oil and gas in the ground as much as possible. At the same time I am working hard to ensure that oil and gas production is tightly regulated, monitored and enforced.  

I work in close coordination with the Rocky Mountain Chapter Oil and Gas Team, volunteers and staff to build a strong grassroots campaign. I also train volunteer leaders to influence key decision-makers at all levels on these critical issues, and to protect our air, water and public health.

I hail from Madison, Wisc., where I graduated from the University of Wisconsin-Madison with a focus on political science, Spanish and environmental studies. I have worked on campaigns to increase youth voter turnout, served as a legislative staffer for a New Jersey member of Congress, and spent several months as a solo backpacker traveling through India, Nepal, Cambodia, Thailand and Vietnam. 

I relocated to Colorado in 2013 and worked with the State Democratic Party on volunteer management during the recall elections. I also served as an outreach intern with Sierra Club's Beyond Coal Campaign, developing relationships will our allies around the state. I look forward to continuing my work with the Sierra Club by tackling oil and gas issues. 

My office is in the Alliance Center in downtown Denver, in the same location as the Chapter. Feel free to contact me at

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