All the below titles are available at Lark Bookstore

Animal Tracks and Signs:  Track Over 400 Animals From Big Cats to Garden
  Birds
By Jinny Johnson
National Geographic Society 2008
Washington, D.C.
ISBN:  978-1-4263-0253-4 (Trade)
ISBN:  978-1-4263-0254-1 (Library)
ISBN:  978-1-4263-0447-7 (Book Fair)
*encyclopedic format, 400+ animals, includes some endangered species

An Inconvenient Truth:  The Planetary Emergency of Global Warming and What 
  We Can Do About It
By Al Gore
Rodale 2006
New York, New York
ISBN-13:  978-1-59486-567-1
ISBN-10:  1-59486-567-1

An Inconvenient Truth:  The Crisis of Global Warming
By Al Gore
Viking 2007
New York, New York
ISBN:  978-0-670-06271-3 (hardcover)
ISBN:  978-0-670-06272-0 (paperback)
*adapted for young students

Countdown to Extinction:  Animals in Danger
By David Burnie
Oxford University Press 2008
Oxford, England
ISBN:  978-0-19-911866-3
*discusses the reasons for extinction and how to make a difference

EcoArt!:  Earth-Friendly Art & Craft Experiences for 3- to 9- year olds
By Laurie Carlson
Williamson Books 1993
Nashville, Tennessee
ISBN-13:  978-0-913589-68-7
ISBN-10:  0-913589-68-3
*activities are rated by degree of difficulty

Earthsearch:  A Kid’s Geography Museum in a Book
By John Cassidy
Klutz, subsidiary of Scholastic Inc.  1994
Palo Alto, California
ISBN-10:  1-878257-74-9
ISBN-13:  978-1-878257-74-1
*includes fun facts and experiments for all ages

Extreme Animals:  The Toughest Creatures on Earth
By Nicola Davies
Candlewick Press 2006
Cambridge, Massachusetts
ISBN-10:  0-7636-3067-5
ISBN-13:  978-0-7636-3067-6
*fun book that will answer many questions, good for all ages, reading level
 age 10+

50 Simple Things Kids Can Do to Save the Earth
By John Javna (& The EarthWorks Group)
Andrews McMeel Publishing, LLC 1990
Kansas City, Missouri
ISBN-13:  978-0-8362-2301-9
ISBN-10:  0-8362-2301-2
*2nd edition coming in March 2009, includes new project ideas, quotes from
 students, detailed information

How We Know What We Know About Our Changing Climate:
  Scientists and Kids Explore Global Warming
By Lynne Cherry and Gary Braasch
Dawn Publications 2008
Nevada City, California
ISBN:  978-1-58469-103-7
*for teenagers

It’s Earth Day!
By Mercer Mayer
HarperFestival 2008
New York, New York
ISBN:  978-0-06-053959-7
*A Little Critter book, includes 10 ways children can help save the planet

My Bag and Me!:  Save a Bag, Save the Earth
By Karen Farmer
Penton Kids Press 2008
Carlsbad, California
ISBN:  978-1-59125-981-7
*includes a reusable bag, ages 3-8

Planet Animal: Saving Earth's Disappearing Animals
By Barbara Taylor
Carlton Books Limited 2008
London, England
ISBN-10: 1-84442-034-5
ISBN-13: 978-1-84442-034-6
*This edition is only available for distribution through the school market
  (www.scholastic.com).

Recycle!:  A Handbook for Kids
By Gail Gibbons
Little, Brown & Company 1996
New York, New York
ISBN:  978-0-316-30943-1
*excellent book for explaining the recycling process, ages 4-8

Safari Animals
By Maria Behan
Scholastic Canada Ltd 2008
Markham, Ontario, Canada
ISBN-13:  978-0-545-10070-0
ISBN-10:  0-545-10070-4
*easy to read, more than 60 medium and large photographs, this edition only
 available for distribution through the school market.

Science in Ancient China
By George Beshore
Franklin Watts 1998
Danbury, Connecticut
ISBN:  0-531-15914-0

Remarkable People:  Steve Irwin
By Sheelagh Matthews
Weigl Publishers Inc. 2008
New York, New York
ISBN:  978-1-59036-649-3 (hardback)
ISBN:  978-1-59036-650-9 (softback)
*includes information on how to write a biography, age 10+

The Consumer’s Guide to Effective Environmental Choices:  Practical Advice 
  from the Union of Concerned Scientists
By Michael Brower, Ph. D. and Warren Leon, Ph. D.
Three Rivers Press 1999
New York, New York
ISBN:  0-609-80281-X

The Down-to-Earth Guide to Global Warming
By Laurie David and Cambria Gordon
Orchard Books 2007
New York, New York
ISBN-13:  978-0-439-02494-5
ISBN-10:  0-439-02494-3

The Everything Kids' Environment Book:  Learn how you can help save the  
  environment--by getting involved at school, at home, or at play
By Sheri Amsel
Adams Media 2007
Avon, Massachusetts
ISBN-10:  1-59869-670-X
ISBN-13:  978-1-59869-670-7
*detailed earth science book with projects and puzzles

The Living Rain Forest:  An Animal Alphabet
By Paul Kratter
Charlesbridge Publishing Inc. 2004
Watertown, Massachusetts
ISBN:  1-57091-603-9
*easy to read, short paragraphs

The Rough Guide to Climate Change:  The Symptoms, The Science, The 
  Solutions
By Robert Henson
Rough Guides 2006
New York, New York
ISBN-13:  9-781-84353-711-3
ISBN-10:  1-84353-711-7

This is My Planet:  The Kids' Guide to Global Warming
By Jan Thornhill
Maple Tree Press, Inc. 2007
Toronto, Canada
ISBN 13:  978-1-897349-06-9 / ISBN-10:  1-897349-06-8
ISBN 13:  978-1-897349-07-6 / ISBN-10:  1-897349-07-6
*for teenagers

You Can Save The Planet:  50 Ways You Can Make a Difference
By Jacquie Wines
Scholastic, Inc. 2008
New York, New York
ISBN-13:  978-0-545-05332-7
ISBN-10:  0-545-05332-3
First Scholastic Edition
*includes wildlife preservation and a list of environmental websites

Garbage and Recycling:  Environmental Facts and Experiments
By Rosie Harlow and Sally Morgan
Kingfisher Publications Plc (1995) 2001
Boston, Massachusetts
ISBN:  978-07534-5503-6
*a Young Discoverers book, age 10 +