Ratepayer Relief Rally

Ratepayer rallye for relief!

When: Wed. April 12th, 12pm-1pm

Where: 200 E Colfax Ave, Denver, CO 80203

Details: Do you feel the pinch of ever-increasing gas prices? Are your energy bills spiking, too? Then join us at a rally at the Capitol to tell state lawmakers that we need affordable energy and an end to outrageous bills. We can’t let Coloradans choose between heating their homes and putting food on the table.

The special committee has been meeting to find solutions – now it’s time for us to show up in full force and make our voices heard. Bring your latest utility bill with you (online or on paper) to demonstrate just how much your ratepayers’ bills have gone up this year!

At noon on Wednesday, April 12th, don’t miss this chance for action and relief on the West Steps of the State Capitol. Experts will be available to help address your expensive bills and provide info about financial assistance.

RSVP for the Rally for Ratepayer Relief


Spring Creek Trail Litter Pickup

When: Sat. April 15th, 12:30pm

Where: Rolland Moore Tennis Courts, Fort Collins, Colorado

Details: The Sierra Club Poudre Canyon Group has adopted a section of the Spring Creek Trail! Our first litter pickup will be Saturday, April 15, at 12:30 P.M. Come at noon for an informal picnic lunch. We have not reserved a pavilion, so just meet in front of the Tennis school.

Our section of the trail runs from the tennis courts through the Fischer Natural Area to Stuart Street. This is a 0.4 mile stretch, mostly flat, with easy access from Rolland Moore Park. There generally isn’t a lot of trash in this area, so this should be easy duty! Bring comfortable shoes and sturdy gloves. Trash bags will be provided.

Per Sierra Club outings policy, COVID vaccinations and masks are not required. Anyone having symptoms or knowing that they’re positive shouldn’t attend. If symptoms occur soon after the outing, the leader should be notified.

Sign up for the Spring Creek Trail Litter Pickup event here


350 Colorado New Volunteer Orientation

When: Thurs. April 20th, 5:30pm-7pm

Where: Remote/Zoom – Register here

Details: Have you been wanting to get involved in the climate movement but haven’t been sure where to start? Do you want an easy opportunity to get started and meet other people?

This brand new, interactive Volunteer Orientation session will help you:

  • Learn about 350 Colorado and how we organize to win
  • Understand the intersectional climate and environmental justice issues we are facing here in the state
  • Get involved directly with our efforts around keeping fossil fuels in the ground and/or promoting just & equitable solutions, and make a real impact!
  • Meet other climate-minded people in your community and across the state, and join us in creating a more sustainable, just world!

Register for volunteer orientation


350 Metro Denver + Shared Ground Art Build

When: Thurs. April 20th, at 6pm

Where: Shared Ground (north side of Denver), 3401 W 29th Ave, Denver, CO 80211

Details: “Come celebrate with the 350 Metro Denver team with an in person art build for the Peoples’ Earth Week! Snacks, light refreshments, and art supplies will be provided, any additional art supplies are welcome as well. Invite your friends, neighbors, family, coworkers, or any other climate activists in your life! Click here to register for this free event! Interested in sharing or RSVPing on Facebook? Click here!


ASCSU: Earth Month and Indigenous People’s Film Night –

When: Thurs. April 20th, 5-8pm

Where: Colorado State University’s Lory Student Center, 1101 Center Ave Mall, Fort Collins, CO 80521

Details: “Sustainability Night will commence with poetry reading in which attendees can share a poem they like related to sustainability or environmentalism. “The Condor & the Eagle” being screened charts American indigenous movements centering climate change resistance.”


Odell Sloan’s Lake Earth Fair

When: Thurs. April 20th, 4pm-8pm

Where: Odell Brewing Co – Sloan’s Lake – 1625 Perry St Denver, 80204

Details: “Women in Sustainability along with 7 other vendors and nonprofits, will be hanging out and showcasing sustainable solutions. Odell will do a giveaway at 7pm for great prizes – visit all the vendors and enter to win! NO RSVP required – just stop by to visit the Fair!”

Get more details for the Odell Sloan’s Lake Brewhouse Earth Fair


350 NoCO Earth Day Art Build & Mingle

Earth day art build. Join fellow Fort Collins climate activists and make posters and art for Earth day
When: Fri. April 21st, 6pm

Where: Wolverine Farm Publick House. 316 Willow St, Fort Collins, CO.

Details: Join 350 Northern Colorado for an Earth Day Art Build & Mingle! Everyone is welcome to come, hang out, and make signs, posters, and other art for upcoming Earth Day events! Supplies and light refreshments will be provided. See you there!

RSVP for the art build here


Earth Day: Indigenous Music & Arts Festival

Indigenous music and arts festival

Image credit: El Pueblo History Museum

When: Sat. April 22nd, 11am-4pm

Where: Pueblo See more details

Details: “El Pueblo History Museum, Storytellers of the Ancestral Red Road (SOAR), Colorado State University-Pueblo, and the Pueblo Levee Project will host a family-friendly Indigenous music and arts festival for Earth Day 2023.

Local Indigenous musical and dance groups will be featured along with Headliner Ed Kabotie and the Yoties from Arizona. Attendees will enjoy an artisan market where they can engage with local artists.
There will be an opportunity to create a collective art piece. Chalk art and other kid-friendly activities will be available. Community organizations dedicated to Earth stewardship will have information booths and offer educational programming.

This event is free and open to the public. Food and art will be available for purchase.”

RSVP for the Earth Day: Indigenous Music & Arts Festival


Earth Day Denver Protest

When: Sat. April 22nd, 12pm

Where: Union Station: 1700 Wewatta St, Denver, CO 80202, USA

Details: “Earth day march on April 22nd, we will meet at Union Station in downtown Denver, walk along 19th street heading south until heading east on 20th for two blocks, then walking down Sherman Street to convene in front of the Wells Fargo Tower, then continuing down to the East Steps of the Colorado State Capitol Building.”

RSVP to the Earth Day Protest in Denver here


Earth Day Community Cleanup + Party

When: Sat. April 22nd, 10am-12pm

Where: 1416 Platte St 1416 Platte Street Denver, CO 80202

Details: “Mother Earth is always in need of some more love 🌎💚 Join us in cleaning up a trail in downtown Denver in honor of Earth Day!

At this cleanup, we will meet outside the REI Starbucks, where our trail cleanup adventure begins. Put on your silent disco headphones to dance to sublime beats while we walk together down the South Platte River trail.

At 19th Street, we will cross over to Commons Park to beautify the open space by picking up litter. In the park, we will celebrate together with a picnic, open-air dance party, and closing meditation 🕺🎶🧘‍♀️

Your host will provide: RUNA drinks, garbage bags, and silent disco headphones. Please bring your own gloves, picnic, water bottle, and any other tools you’d like to use for the community cleanup.”

RSVP for the Denver community cleanup event


Broomfield Earth Day Celebration and Seed Swap

When: Sat. April 22nd, 9:30am – 11:30am

Where: Broomfield Library- 3 Community Park Rd. Broomfield, CO 80020

Details: “Get ready for the growing season with a community seed swap and Earth Day activities for all ages, including bilingual eco-themed storytime! If you have extra seeds, bring them to share with your neighbors, but seed donations are not required to join the fun. This event will take place outside the Broomfield Library.”

Get more details on the Broomfield Earth Day seed swap


9th Annual Longmont Earth Day Celebration

When: Sat. April 22nd, 10am-3pm

Where: Timberline PK-8 School & Centennial Park ( 233 E Mountain View Ave. Longmont, CO 80504)

Details: “This year’s theme is “Invest in Our Planet” and our title sponsor Premier Members Credit Union has joined to help us celebrate the earth and to find ways to invest in our future. The Sustainable Resilient Longmont Earth Day Celebration will be a family focused event that continues our education on zero waste and renewable energy, while also adding agricultural solutions and ways to reconnect with the earth and our community.” More details can be found on their website here.


Earth Day Workshop with Ali Cavitt

When: Sat. April 22nd, 11:00am-11:45am

Where: The Hall at PPLD (formerly Knights of Columbus Hall) 20 W. Pikes Peak Colorado Springs, CO 80903

Details: “In this workshop, we will focus on diamanté poems about the earth. Participants will pick earth-related nouns and select adjectives and verbs that relate to that noun and build the poem.”

Get more event details and RSVP to this Earth Day poetry workshop


Earth Day in Boulder Bash

When: Sat. April 22nd, 12pm-3pm

Where: Nude Foods Market 3233 Walnut Street Boulder, CO 80301

Details: “It’s Earth Day 2023, and we are celebrating BIG TIME! There is so much to love about our gorgeous planet and so many amazing organizations and companies loving on our earth to connect with!

The celebration will take place from 12-3pm at Nude Foods Market, Boulder’s first zero-waste grocery store! You can expect:

  • Free zero-waste snacks and local, plant-based vendors!
  • Local sustainability orgs to learn from and connect with!
  • Hard to recycle material drive – details to come!

Ticket options (optional):

  • A) Buy a ticket for $10 and receive $15 to spend at Nude Foods Market on the day of the event!
  • B) Register ahead for free!

We encourage folks to get out and volunteer in the morning with your favorite local environmental group, (plant a tree, pick up litter, you get the idea) then gather at noon to celebrate, eat, and learn.”

RSVP for Earth Day in Boulder Bash


Lakewood Earth Day Celebration

When: Sat. April 22nd, 11:00am-7pm

Where: Heritage Lakewood Belmar Park: 801 S. Yarrow St., Lakewood

Details: “Are you ready for music? Entertainment? Local beers? Food trucks? Vendors? Family fun? Attend Lakewood’s Earth Day Celebration to enjoy all of these things and more!

This year’s event has a new twist to it — extended hours:

11 a.m. – 5 p.m.: Learn all about living sustainably and enjoy the festivities.
5 – 7 p.m.: MORE live music, a beer garden, and food trucks until 7 p.m”

Get more details and RSVP to the Lakewood Earth Day Celebration


Earth Day Happy Hour by The Alliance Center

When: Wed. April 19th, 4pm-6pm

Where: The Alliance Center 1536 Wynkoop Street Denver, CO 80202

Details: “Join us for a happy hour and networking event on April 19th from 4-6pm to meet fellow sustainability-minded professionals.

Join The Alliance Center for an in-person happy hour in our building located in Downtown Denver! This is a great chance to meet fellow Alliance Center community members, including those from within the building and those participating in the Regenerative Recovery Coalition. You’ll have the chance to meet fellow sustainably-driven individuals, make professional connections and build relationships. We’ll have beer, wine, and snacks for attendees to enjoy.

Please note this event is free for The Alliance Center Tenants and Members, as well as Regenerative Recovery Coalition Members.”

RSVP for the Earth Day Happy Hour by The Alliance Center


Castle Rock Earth Day Volunteer Project and Festival

Earth Day festivalgoers

Photo by Aranxa Esteve

When: Sat. April 22nd

9am-11am: Creek vegetation clearing

12pm-3pm: Festival

Where: 300 Second St. Castle Rock, CO 80104

Details: “Act, learn, and enjoy for Earth Day 2023.

Start the day with a volunteer activity planting native grasses in the plaza area and removing invasive plants in Sellars Gulch. Then, enjoy educational information from local nonprofits, demonstrations, vendors featuring upcycled goods, and food trucks at the Earth Day Festival.

Volunteers needed! Join us to help with native grass planting and watercress removal at Festival Park and along Sellars Gulch. Tools and gloves will be provided. Registration is required.

After the volunteer activity, continue the celebration with demonstrations, vendors, local nonprofits, and food trucks.

Specific demonstrations will be provided by Nature’s Educators, Douglas County Conservation District, and Castle Rock Bike & Ski on e-bikes. A detailed demonstration schedule will be posted to the website closer to the event date.”

Get more details or sign up as a volunteer here


Clear Creek Cleanup

When: Sat. April 22nd, 9:30am-11:30am

Where: Goldstrike Park in Arvada (5500 W 56th Ave)

Details: “We’re teaming up with Ball for another impactful river cleanup! Join us on Earth Day for a Clear Creek Cleanup followed by an after-party with giveaways, food and free beer. Bring your friends, bring your kids, and get ready to do some good.”

RSVP to the Clear Creek Cleanup event here


LoDo Cares 2023 Earth Day Clean Up

When: Sat. April 22nd, 9am – 12pm

Where: Rothman Children’s Playground 1404 Wynkoop Street Denver, CO 80202

Details: “Meet other LoDo community members and beautify our waterway, community playground, and public gardens.

We will provide a light breakfast, water, and all necessary equipment for you and your group. All you have to do is show up! Several partners of LoDo Cares and community-based organizations will be featured at this event. We hope you enjoy learning the many ways to give back right here in Downtown Denver.

Please share with your networks and spread the word – the more, the merrier. All ages are welcome. Youth under 18 will need a waiver signed by a guardian.”

Get details and RSVP to the LoDo community members


Youth Climate Summit – DPS Students for Climate Action

When: Sat. April 22nd, 1-4pm

Where: Manual High School, 1700 E 28th Ave, Denver, CO 80205

Details: “This is a workshop for Denver Public School (DPS) students 5th-12th grade that will:

  • Give students insight into the Climate Action Plan and how to get involved
  • Connect students around the district on sustainability initiatives
  • Provide networking opportunities with Denver-based environmental organizations
  • Provide leadership positions in our group”

Register here


Celebrate the Earth Day!

When: Sun. April 23rd, 3-7pm

Where: Avogadros, 605 S Mason St, Ft Collins, CO

Details: Come together with environmental advocates, elected officials, live music, and more for a fun afternoon together!



Helio Night Market with 350 Colorado Springs

When: Sun. April 23rd, 4pm-10pm

Where: The Black Sheep, 2106 E Platte Ave, Colorado Springs, CO 80909

Details: “Helio Night Market is a curated vegan event. Festivities kick off at 4pm on Sunday, April 23 at The Black Sheep, and will benefit the local environmental nonprofit, 350 Colorado Springs. We’re bringing you 20 vegan vendors, food trucks, yoga, live music, and a full bar courtesy of our host. There is a $5 cover, but kids are free until 6pm.”

RSVP to Helio Night Market here


Women in Sustainability Book Club

When: Tues. April 25th, 5:30-6:30pm

Where: Zoom/Remote

Details: “We are excited about our Q2 book club with Women in Sustainability! WIS member Zhuli Stoyanova will host this book club. Join WIS members to debrief the quarter’s book and discuss sustainability as it pertains to the book.

The second quarter book will be “Regeneration: Ending the Climate Crisis in One Generation” by Paul Hawken.

Want to have a monthly discussion and/or accountability partner? Join us monthly online to discuss your reading progression and any material in the book. This will be held online in April and May and hybrid in June.”

Register for the Women in Sustainability book club meeting here


350 NoCo Hey CSU, Stop Funding Climate Disaster! DivestCSU Rally & March

When: Thurs. April 27th, 12pm-2:30pm

Where: Lory Student Center at Colorado State University. 1101 Center Avenue Mall, Fort Collins, CO, United States, Colorado

Details: “Join DivestCSU for a march & rally calling on Colorado State University to divest their endowment from the fossil fuel industry. Meet in the Lory Student Center Plaza at 12:30, march to the President’s Office, and rally with us! Everyone is welcome – students, faculty, staff, and community members.”

RSVP to the Divest CSU event


Lafayette Earth Day, Every Day Celebration

Earth Day, Every Day

When: Sat. April 29th, 10am-2pm

Where: Outdoor Classroom, 105 W Baseline Road

Details: “The City of Lafayette invites residents to enjoy the outdoors and learn about the several ways you can protect the Earth, fight climate change, and create a more sustainable Lafayette.

This family-friendly event will have a variety of opportunities for all ages to enjoy.

  • Shop at a Sustainable Makers Market
  • Tour our Outdoor Classroom with a new interactive app
  • Jeff and Paige Science and Nature-Themed Kids Concert: 10 -11am
  • Dawn Songs Poetry Reading with local poets: April Tierney, Erin Robertson, and Tina Fields in support of American Bird Conservancy: 11:30am-12pm
  • Live Wild Animal Programs: 12-1pm
  • Take a ride on an energy bike and make yourself a slushie
  • Eat cookies made from a solar oven
  • Learn from electric vehicle owners
  • Raffles and prizes
  • Scavenger hunts
  • Food trucks
  • Over 40 eco-exhibitors

Tours and many activities will be available in English and Spanish.”

Sign up for the Lafayette Earth Day Every Day event here


Sierra Club Colorado Earth Day Celebration

View of snowy mountains in Breckenridge, Colorado

Photo by Andrea Stark

When: Sun. April 30th, 2:30-4pm

Where: 107 Dennison Placer Rd, Breckenridge, Colorado 80424

Details: From the Sierra Club website: “We will be joining the Summit County Interfaith Task Force for a showing of the film “Need to Grow” at CMC Breckenridge.”

RSVP for Sierra Club Earth Day celebration


Does your organization have an Earth Month event we’re missing?

Email ciara@350colorado.org and if your event fits into the category of the post, we’ll add it! We’re looking for sustainability and climate justice-related events in Colorado during the month of April.