Shelfwear and rubbing to edges and boards. No DJ. Library discard with usual marks and attachments. Pocket removed. Pages tight and clean. This is the library binding issue. The standard ISBN is 0671326651. 188 pages, Despite all the new technology, man is still bound by his natural ecological system, and protecting and restoring our environment has become a major concern. This book presents the dangers to the air, water resources, the land, the forests and fish and wildlife, and the menace of noise, which we must meet. It describes meaningful careers in ecology, engineering, and the life, physical and environmental sciences which will help make our world a better place to live in.Visit my eCRATER Store for other great books and save on shipping! FREE DOMESTIC SHIPPING on orders over $25 when you buy other eligible items!Most books have shelfwear and cover scuffing. Binding is tight unless otherwise noted. If additional information is needed about condition,please ask for a more detailed description. We receive books from many sources and cannot guarantee against pet, perfumeor smoke smells. If this is a concern, please email and we will be glad to check the individual book.All prices are in US dollars.We use actual photos when possiblesince stock photos may be different from our copy.The information provided by eCRATER licensed through MUZE is not always correct and is only provided as a courtesy. If there are any differences, our input is the correct information.DOMESTIC SHIPPING: Most shipping is by Media Mail with delivery confirmation. Discounts available for multiple books that are paid for in one transaction. Priority and Express mail available. Email for details.INTERNATIONAL SHIPPING: We ship worldwide for actual postage plus $1.75 handling per order. International buyers must contact me for final costs before making payment.Pay me securely with any major credit card through PayPal!