Environmentalism Events in Denver

Check out happening environmentalism events all around Denver, CO

Party for Our Planet

 Fri, 17 Apr at 09:00 am 2121 Childrens Museum Dr, Denver, CO, United States, Colorado 80211

Party for the Planet - Earth Day Celebration

 Sat, 25 Apr at 10:00 am Downtown Aquarium - Denver

World Ocean Day

 Sat, 06 Jun at 10:00 am Downtown Aquarium - Denver

Jamming on the Jetty 2026!

 Sat, 19 Sep at 01:00 pm Sloan's Lake Jetty, North Side of Sloan's Lake

Endangered Species Day

 Fri, 15 May at 10:00 am Downtown Aquarium - Denver

WeeCycle's Whimsy at Tivoli Turnhalle

 Fri, 01 May at 06:00 pm Tivoli Turnhalle

Vendors for Earth Day at Four Mile Historic Park (No food)

 Sat, 18 Apr at 10:00 am Four Mile Historic Park USD 55

Wash The City: Tri-City Cleanup

 Sat, 18 Apr at 09:30 am Denver Police Department, District 1 Free

Creative Art Social @ Birch Road

 Tue, 14 Apr at 07:00 pm Birch Road (The Highlands) USD 45

2026 Troutfest Colorado

 Sat, 27 Jun at 12:00 pm 1663 Park Ave West Denver,CO 80205

World Sea Turtle Day

 Tue, 16 Jun at 11:00 am Downtown Aquarium - Denver

Compost Heap Fest IX (2026)

 Fri, 17 Jul at 03:00 pm Seventh Circle Music Collective USD 66 to 269

World Turtle Day

 Sat, 23 May at 11:00 am 700 Water St, Denver, CO, United States, Colorado 80211

Earth Day Festival: Make Art Not War

 Sat, 18 Apr at 12:00 pm F-15 Park USD 13

Clothing Swap with MCA Teens

 Thu, 16 Apr at 05:00 pm Museum of Contemporary Art Denver USD 0 to 7

Laws Whiskey & Rye Resurgence Project

 Wed, 29 Apr at 06:00 pm Laws Whiskey House USD 60

Seven Grand Whiskey Society: Westland Garryana Lineup!

 Wed, 22 Apr at 07:00 pm Seven Grand USD 40

Birding with Denver Audubon

 Sat, 25 Apr at 09:00 am Washington Park Boathouse Free

Tuning into Birds with Viviane Le Courtois

 Sun, 19 Apr at 09:00 am City Park

CLOTHING SWAP FOR THE GIRLIES + MENDING (EARTH DAY EDITION)

 Sat, 25 Apr at 11:00 am Vivid Minds Cafe Free

LuxFruit LoFi Lunch with SloCommotion benefiting The CO Nature Conservancy

 Sun, 19 Apr at 01:00 pm Table Public House Free

Coffee & Creativity @ Art Club Coffee

 Thu, 16 Apr at 10:30 am Art Club Coffee USD 45

Urbanist Happy Hour

 Thu, 30 Apr at 06:30 pm Woods Boss Brewing Company Free

Five Points Neighborhood trash clean-up

 Sat, 25 Apr at 10:30 am Odell Brewing Five Points Brewhouse Free

The Illusion of ‘Clean Fuels’ in Decarbonizing Gas Utilities

 Thu, 16 Apr at 06:30 pm Odell Brewing Five Points Brewhouse Free

Bee & Bloom Market | Earth Day Event

 Tue, 28 Apr at 04:30 pm Grand Hyatt Denver Free

Wag, Walk, & Woofles

 Sat, 18 Apr at 09:00 am Crestmoor Park Free

Terrarium Workshop

 Thu, 23 Apr at 05:00 pm Danico Brewing Company USD 71

Earth Day Trash Pick Up 4/18

 Sat, 18 Apr at 09:00 am 11255e M.L.K. Jr Blvd Free

Second Hand Rose: A Sustainable Fashion Show Experience

 Fri, 24 Apr at 07:00 pm Unity Spiritual Center Denver USD 7 to 13

Earth Day Community Workshop | Art and Color Collective + Maiz Denver

 Wed, 22 Apr at 05:30 pm Assembly Student Living USD 0 to 25

2026 Party for the Planet

 Sat, 18 Apr at 03:00 pm Assistance League of Denver Event Center USD 28

2026 Denver By Foot High Line Canal Walking Series - SEGMENT 6 of 14

 Sun, 10 May at 08:00 am 4300 E Dartmouth Ave Free

Celebrate Diversity Month + Earth Day Clothing Swap

 Wed, 22 Apr at 11:00 am 4347 Airport Way Free

FREE Community Craft Night & Stash Swap

 Thu, 23 Apr at 05:00 pm Chasing My Tale Free

Trees in the West

 Wed, 13 May at 09:00 am CSU Spur, National Western Drive, Denver, CO, USA USD 50 to 65

DYD April Volunteering

 Sat, 18 Apr at 10:00 am East Colfax Avenue Free

Saturday Trash Pick Up 5/30

 Sat, 30 May at 09:00 am 11255e M.L.K. Jr Blvd Free

Earth Day Morning Walk & Grounding at Ruby Hill Park

 Wed, 22 Apr at 06:00 am Ruby Hill Park Free

Earth Day Trash Pick Up 4/25

 Sat, 25 Apr at 10:00 am 11255e M.L.K. Jr Blvd Free

Dirt Detectives & Rot Squad 8/16/2026 from 10-11am @ Cheyenne-Arapaho Park

 Sun, 16 Aug at 10:00 am Cheyenne Arapaho Community Garden Free

Wild Front Range

 Sat, 10 Oct at 06:00 pm Twin Lakes Park Free

Colorado Rubberized Asphalt Pavement Preservation Workshop

 Tue, 12 May at 08:30 am 1750 Welton St Free

ELK's 30th Anniversary Celebration

 Thu, 28 May at 06:00 pm 12680 Albrook Dr Free

Afternoon Trash Pick Up 5/13

 Wed, 13 May at 05:00 pm 11255e M.L.K. Jr Blvd Free

Trash Pick Up 5/21

 Thu, 21 May at 09:00 am 11255e M.L.K. Jr Blvd Free

Nature Wanders of Wonder

 Fri, 03 Nov at 01:00 pm Bluff Lake Nature Center Free

Earth Listening Circles

 Sun, 19 Jan at 09:00 am Bluff Lake Nature Center Free

Earth Day 5K Virtual Race 2026

 Sun, 19 Apr at 01:00 pm Denver USD 15 to 42

Saturday W**d Warriors 5/16

 Sat, 16 May at 09:00 am 11255e M.L.K. Jr Blvd Free

Earth Day Trash Pick Up 4/21

 Tue, 21 Apr at 09:00 am 11255e M.L.K. Jr Blvd Free

Monthly Bluff Lake Bird Walks

 Sat, 03 Jun at 07:30 am Bluff Lake Nature Center Free

Afternoon W**d Warriors 5/5

 Tue, 05 May at 05:00 pm 11255e M.L.K. Jr Blvd Free

What’s the Buzz? A Pollinator Storytime

 Mon, 23 Jun at 11:00 am Lela’s Honey Free

LA NATURALEZA HABLA ESPAÑOL

 Sun, 22 Feb at 10:00 am Bluff Lake Nature Center Free