Comprehensive examination of the holiday Earth Day, how it came to be, and what it means.

Introduces the holiday Earth Day, discussing its purpose and how it is celebrated.

"A historical look at the launch of Earth Day and a look at the global environmental movement that has sprung from it"--

"The elephant has become synonymous with the image of African wildlife. They can grow over 10 feet tall and eat up to 300 pounds a day. While these giants are beloved figures in movies and zoos, they also play a large role in keeping the forest ecosystem healthy. Unfortunately, poachers are hunting elephants rapidly to extinction for their ivory tusks, and that could be catastrophic to the world as we know it."--

Looks at threatened wildlife and their fight for survival and discusses what can be done to protect rare animals and their habitats.

"The Great White Shark Scientist is the latest ocean adventure from the venerable team of Sy Montgomery and Keith Ellenbogen. In it, they follow Dr. Greg Skomal, biologist and head of the Massachusetts Shark Research Program, as he strives to better understand the habits and habitats of Great Whites in order to save this amazing, if maligned, creature of the deep."

Describes evolution, Earth's ecosystems, the history of extinction, the impacts of pollution, climate change, habitat loss, overharvesting of animals and plants, and other factors on the biosphere, and the importance of biodiversity and its protection.