Frontmatter Introduction

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© Tyler Hicks/The New York Times/Redux

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ENVIRONMENTAL SCIENCE

FOR A CHANGING WORLD

SECOND EDITION

SUSAN KARR

Carson-Newman University

JENEEN INTERLANDI

Science Writer

ANNE HOUTMAN

California State University, Bakersfield

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JAMES P. BLAIR/National Geographic Creative

Publisher: Katherine Parker

Senior Acquisitions Editor: Bill Minick

Developmental Editor: Andrea Gawrylewski

Executive Marketing Manager: John Britch

Marketing Assistant: Bailey James

Media and Supplements Editor: Amanda Dunning

Senior Media Producer: Chris Efstratiou

Editorial Assistants: Tue Tran & Shannon Moloney

Art Director: Diana Blume

Cover Design and Text Illustrations: MGMT. design

Text Design: Dirk Kaufman

Photo Editor: Sheena Goldstein

Photo Researcher: Bianca Moscatelli

Art Manager: Matthew McAdams

Senior Production Supervisor: Susan Wein

Printing and Binding: RR Donnelley

Cover Photo: Annie Marie Musselman

Library of Congress Control Number: 2014957697

ISBN-13: 978-1-4641-6220-6

ISBN-10: 1-4641-6220-4

© 2015 by W. H. Freeman and Company

All rights reserved

Printed in the United States of America

First printing

W. H. Freeman and Company

41 Madison Avenue

NewYork, NY 10010

Houndmills, Basingstoke RG21 6XS, England

www.whfreeman.com

SUSTAINABILITY PLEDGE

Macmillan is committed to lessening our company’s impact on the environment.

The Macmillan family of publishing houses intends to reduce our 2020 CO2 emissions by 64% against a 2009 baseline.

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