Download or read book Preserving the Living Earth written by Christine Petersen and published by Cavendish Square Publishing, LLC. This book was released on 2012-01-15 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Environment at Risk, scientific principles, concepts, and methodologies in environmental science are explored and explained. Students will be led on a journey to understand the interrelationships of the natural world, identify and analyze environmental problems both natural and human-made, evaluate the relative risks associated with these problems, and examine alternative solutions for resolving or preventing them.