The Current Controversies series examines today's most important social and political issues; each volume presents a diverse selection of primary and secondary sources representing all sides of the debate in question.; This edition of the Current Controversies series examines issues related to pollution. Included articles explore the question of whether air and water pollution remain serious environmental problems, the issues related to global warming, the effectiveness; Each anthology is composed of a wide spectrum of sources written by many of the foremost authorities in their respective fields. This unique approach provides students with a concise view of divergent opinions on each topic. Extensive book and periodical