Gas Trees and Car Turds: A Kids' Guide to the Roots of Global Warming - Softcover

Explains how carbon can be cycled in and out of trees, the ocean, and the air; describes how human activity has added more carbon to the cycle than ever before in Earth's history; and discusses how this carbon causes global warming.

Kirk R. Johnson is vice president and chief curator at the Denver Museum of Nature and Science. He received his PhD in geology and paleobotany from Yale University in 1989, and did postdoctoral research in the rainforests of northern Australia before coming to Denver in 1991, where he directed the installation of the museum's Prehistoric Journey exhibit. Mary Ann Bonnell is the lead naturalist for the Parks and Open Space Department in Aurora, Colorado. Bonnell earned her degree in environmental, population, and organismic biology from the University of Colorado at Boulder in 1991. For the last 19 years, she has used art, science, and enthusiasm to connect people of all ages to the natural world.