Sign up

Help protect the places we love,
the values we share

Optional Member Code

In our emails, sent once or twice a week, you'll receive:
• alerts on new threats to Colorado's environment
• opportunities to join other Coloradans on urgent actions
• updates on the decisions that impact our environment
• resources to help you create a cleaner, greener future

Donate

Campuses go renewable

College campuses can play a major role in the fight to prevent the worst impacts of global warming.

Find out how

Through Environment Colorado, thousands of citizen members are teaming up with a professional staff to stand up for the places we love and the environmental values we share.

Join us in taking action for Colorado's environment.

Updates

Keystone XL approval is wrong direction

By facilitating the transportation of dirty tar sands fuels, Keystone would add 27.4 million metric tons of global warming pollution to our atmosphere per year. President Trump's executive order advancing the Keystone XL pipeline is definitely a step in the wrong direction. READ MORE.