Download or read book Environmental Issues for the Twenty-First Century and Their Impact on Human Health written by Richard B. Philp and published by Bentham Science Publishers. This book was released on 2012 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt: The close of the first decade of the 21st century posed additional pressing environmental issues related to human activities and their effects on the planet. The need to protect the planet seems frequently to be in conflict with the need to feed the earth