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!


TAKE ACTION: Protect Air Quality During A Respiratory Pandemic

Join us in calling for all fossil fuel extraction and production activities known to release harmful VOCs and air pollution to be ceased, without exception, throughout the state for at least 30 days and until the COVID-19 pandemic is contained in Colorado.

Sign the petition

Latest Updates

How to Celebrate Earth Week 2020

Just because we are social-distancing, doesn’t mean we aren’t celebrating Earth Month! Learn about the exciting virtual events planned in Colorado for Earth Month 2020. Join a virtual rally, make inspiring art, or learn something new on a webinar.

Five Environmental Classics to Read for Earth Day

At home with nothing to do? That’s our 21st-century challenge! Hiking, nature observation, gardening, building community… Read these classics on your couch, for inspiration on how to social-distance it through the 50th Earth Day anniversary and beyond. We can do this!

50 Years of Earth Day

On April 22, 2020, Earth Day turns fifty. A day that should see us in the streets and parks and on campuses, connecting with each other in celebration for a common goal, will be eerily overshadowed by a worldwide health crisis.
We will, however, gather on-line for a three day marathon of action! Hopefully, we will also take time to reflect on the parallels between the two crises.

Earth Day Founder’s Visionary Speech

Senator Gaylord Nelson’s profound inspiration still rings true fifty-years later. Substitute some numbers or place names and his words on peace, justice and sustainability are just as relevant today with even greater urgency.

Intergalactic Battles – The Story of Why Earth Wanted to Get Trashed

Thousands of years of wars produced Planet Earth. This was just the beginning though, the biggest battle of all time was still to be had. But first, a time for rest and the creation of humans. Can they help Mother Earth in building her defense for the Intergalactic Battles or will they foil her plans?

Climate Activism in the Wake of COVID-19: An Update from 350 Colorado.

In the wake of COVID-19, 350 Colorado is working to proactively respond with public health and safety as a top priority. For all of us working to address the climate crisis, this pandemic serves as a strong reminder both about likely challenges that lie ahead in our collective response to climate change and also our ability to act quickly for the greater good when we must.