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...показать большеJack 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.показать меньше