WRAL Gardens
- Gardens surrounding the local television studios. Features azalea celebration, questions and answers, and plant material.
- http://www.wral-gardens.com/

Capital Group - Sierra Club
- Local chapter of The Sierra Club based in Raleigh and serving Cumberland, Franklin, Johnston, Wake, and Warren counties, North Carolina. Outings, environmental issues, and newsletters.
- http://nc.sierraclub.org/capital/

North Carolina Museum of Natural Sciences
- Natural history museum features live animals, dinosaurs, whales, walk-through dioramas, science education and research. Online tour and activities.
- http://www.naturalsciences.org/

Bugfest
- Annual event held at the NC Museum of Natural Sciences with educational and entertaining displays, exhibits, and activities related to insects.
- http://www.bugfest.org/

Wake Audubon Society
- Chapter of the National Audubon Society serving the Raleigh area. Calendar of events and newsletter.
- http://www.wakeaudubon.org/

Trees Across Raleigh
- A non-profit organization dedicated to planting trees in public areas throughout the city of Raleigh.
- http://www.treesacrossraleigh.org/

JC Raulston Arboretum - NC State University
- Features history, directions, visitor's guide, calendar of events, publications, event reservations, tours and information on membership and volunteer positions.
- http://www.ncsu.edu/jcraulstonarboretum/