The Environmental Resource Guide is a searchable, web-based resource that includes information about all organizations in the Greater Houston Area conducting environmental work. This guide is a one-stop-shop for any resources or connections you may need, and is updated often to ensure you have access to the newest information.
Scroll through the guide, view a list of all organizations, or view all categories of organizations below. At the very bottom of the page is an archive containing older versions of the printed guide available for download.
If you have any questions, would like to make edits to a current listing, or would like to add or remove an organizations, please reach out to us.
- Activities for Children
- Air Quality
- Built Environment
- Camps--Summer and School Breaks
- Citizen Science Opportunities
- Education Trunks
- Environmental Category
- Environmental Justice/Policy
- Field Trips
- Galveston Bay & Gulf of Mexico
- Gardens, Plants, and Food
- Global Issues
- Historic Preservation
- In-School Programs
- Parks, Nature Centers, and Open Space
- Professional Societies and Industry Groups
- Recreation and Sports
- Recycling and Trash
- Service Learning Opportunities
- Teacher Training
- Water Quality
Purpose: To ensure the right and ability of all individuals to manage their sexual and reproductive health by providing health services, education, and advocacy. Founded in 1936.
Programs: Teen and Family/Community Education on sexuality and relationships. HIV education and medical services: affordable, preventive reproductive health services provided at 10 health centers in Houston and SE Texas; call (800) 230-PLAN or visit