Enter the wonderful world of cetaceans with this informative resource. This book is dedicated to the conservation and preservation of whales, dolphins and porpoises. Students will study popular North American whales including the world's most endangered species. Debating, critical thinking and problem solving skills are developed through actual events. Research activities will lead students to the discovery of correlations between history of whaling, whale watching and pollution. By using their own wisdom, students will find new solutions for preservation, while learning that they are a piece of the ecological puzzle.