Houston Geographic Description: Geographical information about the City of Houston and its surrounding area.
Katy Prairie Conservancy: News and events, history, newsletters, membership and giving alternatives, and links.
Legacy Land Trust: Mission is to conserve open space throughout a 13-county area in and around Houston. Conservation options, membership information, news, projects, and site maps.
Mothers for Clean Air: Non-profit organization concerned with air pollution in the area and its effects on children's health. Provides newsletter, events, and air quality information.
Smoking Vehicle Program: How and when to report polluting vehicles as well as information about air quality and its relationship to vehicle driving behavior.
Volunteer Bay Area: Developing, supporting and promoting volunteerism and its rewards for individuals and organizations in the Texas Coastal, Southeast Houston and Galveston County communities.