350_colorado_girls_rallyOur Mission

350 Colorado is working locally to help build the global grassroots movement to solve the climate crisis and transition to a sustainable future.

Join us here in Colorado!

Upcoming Events

Click here to see our full calendar

*Nov. 15, 5:30-7:30pm - Boulder.Earth Launch Party @ Oscar Blues on Pearl St.

*Dec. 5, 6:30pm - "To the Ends of the Earth" film screening - Dec. 5 @ The Studio, 3550 Frontier Avenue Suite A2, Boulder

Colorado Rising!

Colorado is at a crossroads: The fossil fuel industry is invading our neighborhoods and suing our communities for protecting themselves. Get involved with the Colorado Rising campaign! Let's defend our health, homes and climate from fracking.

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Demanding Transparency & Accountability from Colorado Springs Utilities

350CO is demanding the release of reports showing air quality violations from the Drake Coal Plant

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Fracked Communities Say No More!

Impacted Community Members Fill COGCC Hearing and Refuse to Be Ignored  On October 30, citizens lined the hallway on the 8th floor of the Chancery Building in Denver Most held speeches in their hands as a signup sheet was passed around for the public forum portion of the hearing of the COGCC (Colorado Oil and (More...)

Letter to the Editor – Vote YES for clean local power!

by Micah Parkin Dear Editor, Wondering how to vote on 2L, 2O, and 2P? If you are at all concerned about climate change, there’s only one way to vote – yes! 350 Boulder County, 350 Colorado and even the founder of 350.org – renowned author Bill McKibben – have all endorsed Boulder’s efforts to create (More...)

Why we’re voting YES on Boulder’s local clean power ballot issues 2L, 2O, and 2P

By 350 Boulder friends Marti and Bob Hopper…  Dear Friends, We ask that you vote YES on Boulder’s municipalization (“muni”) ballot issues 2L, 2O, and 2P. We’re passionate about continuing the muni process.  Here’s why. Climate change is real and threatens life on the planet now as we all witnessed during this summer’s devastating fires and hurricanes in (More...)

Trick or Treat: An Environmentally Friendly Halloween!

Halloween is fast approaching, and while many of us love our little ghosts and goblins, princesses and famous persons coming to the door to yell trick or treat, it still leaves many of us in the environmental movement wincing at all that plastic trash that goes along with handing out goodies to kids. Probably the (More...)

Raise the Roof for Green Roofs

Hello, my name is Sunni, I am a 350 Denver team leader and I am writing today to discuss an exciting citizen led Initiative I have been volunteering for in the City and County of Denver.  We are very excited because we succeeded in getting our grassroots all volunteer ballot measure, I-300, on the ballot for (More...)