Glenn leads natural history and birding tours with GOBirding Ecotours to the hottest birding locations in the U.S. He organizes, manages, and co-guides tours to exotic locales such as the Galapagos Islands, the Amazon Rainforest, Ecuador, Costa Rica, and Honduras. His tours include aspects of the culture, ecology and natural history of the region.
His classes at Rice University’s Glasscock School of Continuing Studies encompass The Natural History of Texas, identification of birds, plant identification, gardening for birds, butterflies and pollinators, sustainable landscaping, native plants, and other nature related subjects. Years ago Glenn completed the Master Naturalist and Master Gardener courses and gives classes for the Master Naturalist program.
He also offers consulting services for bird surveys including breeding, migration, and winter
surveys to determine the species of birds that utilize the property.
Consulting services for landscaping to create habitat for birds and butterflies are offered through GO Native Landscaping. This service provides the property owner with key concepts, techniques, and procedures for improving or creating habitat for birds and butterflies. Design and Installation services are also available. Glenn and his wife are co-owners and have created designs for a park for the City of Manvel, TX, the Hooks Woods property for the Texas Ornithological Society, as well as commercial and residential properties in Houston and beyond.
Glenn served on the Houston Audubon Board as Vice President of Education in 2000, and is again serving on the board in 2022-2024. He is Past President of both the Houston Chapter and the statewide organization of the Native Plant Society of Texas. He co-founded the WildScapes Workshops in Houston, an event that for over twenty years has celebrated the importance of native plants, pollinators, and birds.
Glenn has led field trips and/or given presentations for the Texas Ornithological Society, NPSOT, Rio Grande Valley Birding Festival, Galveston FeatherFest, Laredo Birding Festival, Rockport HummerBird Festival, Houston Audubon, Mercer Arboretum, WildScapes Workshops, the Katy Prairie Conservancy, Texas Master Naturalists, Houston Arboretum, Fort Worth Audubon, and others.
He has written articles that have appeared in the Houston Chronicle, the Audubon Newsletter, and various gardening newsletters.