Jack Branagan, former educator and creator of Earth Matters science programs, brought his love of the environment to schools and libraries for over 46 years. His study of environme...mehr sehenJack Branagan, former educator and creator of Earth Matters science programs, brought his love of the environment to schools and libraries for over 46 years. His study of environmental issues has helped children and adults alike understand how fragile planet Earth really is.weniger sehen