http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
How we know, what we know, about our changing climate
scientists and kids explore global warming
66 pages : color illustrations, color map ; 24 x 29 cm.
"This volume describes where scientists look to find evidence of climate change--from changes in bird migration patterns and fruit blossom dates, to obtaining tree rings and mud cores--and especially how students and other citizen-scientists are assisting to monitor climate change, as well as what can be done to mitigate global warming"--Provided by publisher.
by Lynne Cherry and Gary Braasch ; with a foreword by David Sobel.
Includes bibliographical references and index.
9781584691037 (hardback : acid-free paper)