tailieunhanh - Evaluating Progress of the U.S. Climate Change Science Program: Methods and Preliminary Results

Cimate change is one of the most important global environmental problems facing the world today. Evidence of a changing climate is all around us, from rising sea level to retreating mountain glaciers, melting Arctic sea ice, lengthening growing seasons, shifting animal migration patterns, and other changes. Such changes are already having adverse impacts on people’s well-being, as climate change amplifies the effects of other environmental and socioeconomic changes and problems and produces new effects of its own. The long-lived greenhouse gases already in the atmosphere guarantee that warming will continue, even if emissions are drastically cut today. But emissions continue to grow as population and consumption increases. The rising demand for energy,. | RESTRUCTURING FEDERAL CLIMATE RESEARCH TO MEET THE CJIALTeNGESJE CLIMATE CHANGE RESTRUCTURING FEDERAL CLIMATE RESEARCH TO MEET THE CHALLENGES OF CLIMATE CHANGE Committee on Strategic Advice on the . Climate Change Science Program Division on Earth and Life Studies Division of Behavioral and Social Sciences and Education NATIONAL RESEARCH COUNCIL OF THE NATIONAL ACADEMIES TLJC ATiAKI A Ị A A AEAẤICC ĐĐECC Inc inAIKJinAl ACAUc vuco fKcoo Washington. . THE NATIONAL ACADEMIES PRESS 500 Fifth Street . Washington DC 20001 NOTICE The project that is the subject of this report was approved by the Governing Board of the National Research Council whose members are drawn from the councils of the National Academy of Sciences the National Academy of Engineering and the Institute of Medicine. The members of the committee responsible for the report were chosen for their special competences and with regard for appropriate balance. This study was supported by the National Aeronautics and Space Administration under Award No. NNH07CC79B. Any opinions findings conclusions or recommendations expressed in this publication are those of the author s and do not necessarily reflect the view of the organizations or agencies that provided support for this project. International Standard Book Number-13 978-0-309-13173-5 International Standard Book Number-10 0-309-13173-1 Library of Congress Control Number 2009923757 Additional copies of this report are available from the National Academies Press 500 Fifth Street . Lockbox 285 Washington DC 20055 800 624-6242 or 202 334-3313 in the Washington metropolitan area Internet http . Cover Designed by Van Nguyen. Copyright 2009 by the National Academy of Sciences. All rights reserved. Printed in the United States of .