Arizona Commission on the Arts, Artist Research and Development Grant, 2013; to support site-based environmental artwork done as artist-in-residence on Tumamoc Hill, a Sonoran Desert research preserve and Historic Landmark surrounded by urban Tucson, Arizona. Learn more.

Society of Illustrators of Los Angeles, juried show: Illustration West 47.

Skipping Stones Honor Award for ecological and multicultural awareness, and Special Recognition: Patterson Prize for Books for Young People, The Bee Tree. 2008.

Tucson/Pima Arts Council. International Exchange Mini-grant. "Tucson Desert/Malaysian Rainforest," 1999. With a follow-up grant in 2007 for an exhibit and public slide presentation.

Independent Book Publishers Association, Benjamin Franklin Award for Science and the Environment. The Forgotten Pollinators, 1997.

Arizona Commission on the Arts. Artist’s Project Award. “Rainforest Field Sketching,” 1998.

Dimensional Illustrators Awards Show. Bronze Award, with Rhod Lauffer, paper engineer. The Boy with Paper Wings, 1995.

New York Book Show of the Bookbinders’ Guild, 1st Place. General Trade Cookbooks, Acorn Pancakes, Dandelion Salad and 38 Other Wild Recipes, 1995.

Children's Book Council and National Science Teachers Association. Outstanding Science Trade Books for Children. Moon of the Wild Pigs, 1992.

The Society of Illustrators. inclusion in book, The Very Best of Children's Book Illustration, 1993.

The Original Art 1992, The Society of Illustrators Exhibition, Moon of the Wild Pigs.

American Association of Museums. Publication Design Merit Award. University of Arizona Museum of Art institutional brochure, 1992.

Arizona Press Club. Tucson Tops Addy Awards, gold medal for design. Special supplement to Tucson Weekly, "Return of the Muse," 1991.

Arizona Humanities Council. Grant for traveling exhibit/poster series. "Singing Down Roots: Plant Folklore of the Desert Southwest," 1989.

Art Directors Club of New York, 65th Annual show. Certificate of Merit for Illustrations. Gathering the Desert book cover and illustrations, 1985.

John Burroughs Award. Best Natural History Book of 1986, artist and co-author with author Gary P. Nabhan. Gathering the Desert, 1985.

National Design Art Marker Contest. Eberhard Faber, Inc., Illustration prize, first place. 1980.