Citizens' Environmental Coalition

Environmental Calendar - Citizens' Environmental Coalition

The CEC Environmental Calendar features any Houston Area event centered around the environment. CEC members and non-members alike are invited to submit events that they wish to share with the public - from volunteer opportunities to lectures to community celebrations!
 
Please allow 3-5 business days for your event submission to be reviewed and published to the calendar. 

Questions? news@cechouston.org. 

Choose a Calendar Category:
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1

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

Public Citizen Invites You to attend TCEQ's next meeting to ask them to protect us and not polluters
9:30am to 11:30am

National Walking Day Wellness Walk with Buffalo Bayou Partnership and Urban Paths
6:30pm to 8:00pm
2

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

Post-Confronting CERAWeek Happy Hour Gathering
6:00pm to 8:00pm
3

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends
4

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

Free Birding class, guided Walk and more at Houston Audubon's High Island Sanctuaries
7:00am to 7:00pm
5

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends
6

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends
7

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

Nature and Clean Energy Summit
9:00am to 2:00pm

CEC Environmental Bookclub
7:00pm to 8:30pm
8

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends
9

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

2026 Environmental Law Symposium
9:00am to 1:30pm

Bioswale Planting with Friends of Columbia Tap
9:30am to 1:00pm

Houston Sierra Club hosts Seven Key Water Impacts of Carbon Capture and Storage Presentation
7:00pm to 9:00pm
10

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

HPB Green Team @ Simsbrook
9:00am to 12:00pm

2026 Environmental Law Symposium
9:00am to 1:30pm
11

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

Keep Houston Beautiful Day
Please see specific clean-up events' details.

Artist Boat Habitat Workday
8:00am to 10:00am

SPLASh World Cup Clean-Up at Monument Inn
9:00am to 12:00pm

Why Did Artist Boat Cross The Road?
1:00pm to 7:00pm
12

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

Living Roots: A Guided Walk through Bayou Natives
9:30am to 11:30am

Austin Sierra Club event: April Service Project - Palo Duro Canyon State Park
12:30pm to 2:30pm

Saving Water While Saving Souls: Water Conservation at Houses of Worship
3:00pm to 4:00pm
13

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends
14

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends
15

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

Houston Methodist Health & Nature Webinar Series | From the Office to the Outdoors : How Nature Supports Worker Well-Being
12:00pm to 1:00pm
16

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

Intersecting Health, Equity, and the Built Environment
5:00pm to 7:30pm

Birding 101 Class
6:30pm to 7:30pm
17

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

GBRC Training Collection
8:00am to 2:30pm

Texas Residential and Commercial Building Code Update for 2024 IECC
12:30pm to 2:30pm
18

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

Artist Boat Habitat Workday
8:00am to 10:00am

Simsbrook Planting with HPB
9:00am to 12:00pm

🌿 Nature Journaling Workshop 🌿
9:00am to 12:00pm

Via Creationis: Walking the Way of Creation
9:00am to 11:00am

Bioswale Planting with Friends of Columbia Tap
9:00am to 1:00pm

Fifth Ward Soil Symposium
10:00am to 1:00pm

Earth Day San Marcos Festival
10:00am to 4:00pm

Artist Boat Habitat Workday
11:00am to 1:00pm
19

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends
20

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

CEC Booth Crew @ UHD Plant Fair
10:00am to 1:30pm
21

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

CHEJ Monthly Training Webinar: Health Studies
12:00pm to 1:00pm

Weathering Change Together: Perinatal Health, Environmental Health, and Collective Resilience
2:00pm to 4:00pm

Houston Wildlife Class
6:30pm to 7:30pm
22

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

Earth Day Festival
9:30am to 12:00pm

Trees For Houston Bookclub
6:30pm to 7:30pm

Earth Day Social
6:30pm to 8:30pm
23

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

Tree Education Class
6:30pm to 7:30pm
24

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

City Nature Challenge 2026
April 24, 2026 12:00 AM - April 27, 2026 11:59 PM local time

Gulf Coast Green
7:30am-5:30pm Conference; 5:30pm-7:00pm Final Toast: Zero Proof Hour

Gulf Coast Green
7:30am to 7:00pm

Endangered Sea Turtle Fundraiser Gala
6:00pm to 10:00pm
25

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

City Nature Challenge 2026
April 24, 2026 12:00 AM - April 27, 2026 11:59 PM local time

Artist Boat Habitat Workday
8:00am to 10:00am

April at Attwater Prairie Chicken National Wildlife Refuge
9:00am to 3:00pm

3rd Ward Photo Walking Tour
10:00am to 12:00pm

Artist Boat Habitat Workday
11:00am to 1:00pm

Green Mountain Energy Earth Day at Discovery Green
12:00pm to 5:00pm

Healthy Gulf Earth Day Houston
5:00pm to 10:00pm
26

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

City Nature Challenge 2026
April 24, 2026 12:00 AM - April 27, 2026 11:59 PM local time

City Nature Challenge 2026 BioBlizt at Arrowwood Preserve with Bayou Land Conservancy
9:00am to 12:00pm

Spring 2026 Interfaith Environmental Stewardship Event
1:30pm to 4:30pm

Bayous, Berries, Bikes + Brews 2026
4:00pm to 8:00pm

It’s Always About the Habitat
6:00pm to 7:00pm
27

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

City Nature Challenge 2026
April 24, 2026 12:00 AM - April 27, 2026 11:59 PM local time

City Nature Challenge - BIOBLITZ!
9:00am to 12:00pm

Jones Road Groundwater Plume Community Meeting with Texas Health and Environment Alliance (THEA)
6:30pm to 7:30pm

Cool Congregations Cohort
7:00pm to 8:00pm
28

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends
29

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

Pocket Prairies Class
6:30pm to 7:30pm
30

Living the Change
January - May, dates/times individually set, online

Lights Out Houston! Protect our migrating feathered friends

Air Alliance Houston's AirMail Gulf Coast Relaunch Workshops
11:00am to 4:00pm

Air Alliance Houston's AirMail Gulf Coast Relaunch Community Celebration
6:00pm to 8:00pm

  

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