Green Energy and Technology Patrick Moriarty Damon Honnery Rise and Fall of the Carbon Civilisation Resolving Global Environmental and Resource Problems 123 Patrick Moriarty, PhD Damon Honnery, PhD Monash University-Caulfield Campus Monash University-Clayton Campus Department of Design Department of Mechanical P.O. Box 197 and Aerospace Engineering Caulfield East P.O. Box 31 3145 Victoria Clayton Australia 3800 Victoria [email protected] Australia [email protected] ISSN 1865-3529 ISBN 978-1-84996-482-1 e-ISBN 978-1-84996-483-8 DOI 10.1007/978-1-84996-483-8 Springer London Dordrecht Heidelberg New York British Library Cataloguing in Publication Data A catalogue record for this book is available from the British Library Library of Congress Control Number: 2010935691 © Springer-Verlag London Limited 2011 Apart from any fair dealing for the purposes of research or private study, or criticism or review, as permitted under the Copyright, Designs and Patents Act 1988, this publication may only be reproduced, stored or transmitted, in any form or by any means, with the prior permission in writing of the publishers, or in the case of reprographic reproduction in accordance with the terms of licences issued by the Copyright Licensing Agency. Enquiries concerning reproduction outside those terms should be sent to the publishers. The use of registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant laws and regulations and therefore free for general use. The publisher makes no representation, express or implied, with regard to the accuracy of the information contained in this book and cannot accept any legal responsibility or liability for any errors or omissions that may be made. Cover design: eStudioCalamar, Girona/Berlin Printed on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com) Acknowledgments Patrick Moriarty acknowledges the financial support of the Australasian Centre for the Governance and Management of Urban Transport (GAMUT), based at the University of Melbourne, for the research which underpins this book. GAMUT is in turn funded by the Volvo Research and Education Foundations. He would also like to thank the Maintenance Technology Institute and the Department of Design, both at Monash University, for providing him with accommodation during the research for, and writing of, this book, and Geraldine, for proof-reading all the chapters. Damon Honnery would like to thank his colleagues and graduate students, especially Varun Rao, at the Laboratory for Turbulence Research in Aerospace and Combustion, Monash University, for their many helpful discussions and suggestions. v Contents 1 The Problems We Face.......................................................................... 1 1.1 Introduction................................................................................... 1 1.2 Assessment of Technology Is Often Over-optimistic.................... 2 1.3 An Earth Systems Science Approach Is Needed........................... 4 1.4 Uncertainty About the Future Is Increasing.................................. 5 1.5 Equity Issues Are Central in a Finite World................................. 7 1.6 Energy Is Vital for Economies...................................................... 8 1.7 Time to Make the Needed Changes Is Limited............................. 9 1.8 Proposed Solutions Can Often Make Matters Worse.................... 10 1.9 A New Approach to Economics Is Needed................................... 11 References................................................................................................ 12 2 Global Climate Change.......................................................................... 15 2.1 Introduction................................................................................... 15 2.2 The Science of Global Warming................................................... 16 2.2.1 The Science Basics.......................................................... 16 2.2.2 Mathematical Models and the Temperature Record........ 19 2.2.3 Greenhouse Gases and Their Anthropogenic Sources..... 21 2.2.4 Learning from the Past..................................................... 24 2.2.5 The Polar Regions Are Critical........................................ 26 2.3 What Impacts Can We Expect?..................................................... 27 2.4 What Should We Do?.................................................................... 29 2.4.1 Mitigation........................................................................ 29 2.4.2 Adaptation....................................................................... 31 2.5 Climate Change, the Public and Policy-making............................ 32 2.6 Closing Comments........................................................................ 34 References................................................................................................ 34 vii viii Contents 3 Earth’s Resources Are Finite................................................................ 37 3.1 Introduction................................................................................... 37 3.2 Earth’s Energy Flows.................................................................... 38 3.3 Fossil Fuels Availability............................................................... 40 3.4 Mineral Resource Availability...................................................... 44 3.5 Humans in the Biosphere.............................................................. 48 3.5.1 World Population Growth and Food and Water Availability..................................... 48 3.5.2 Declining Ecosystem Service Provision.......................... 52 3.5.3 Declining Species Diversity............................................ 54 3.6 Living Sustainably in the Anthropocene Epoch............................ 55 References................................................................................................ 55 4 Uncertainty in Global Environmental and Resource Problems......... 59 4.1 Introduction................................................................................... 59 4.2 Uncertainty, Prediction and Climate............................................. 60 4.2.1 Uncertainty and Prediction: General Considerations....... 61 4.2.2 Uncertainty in Climate Prediction................................... 62 4.2.3 Effects of Climate Uncertainty........................................ 64 4.3 Uncertainty in Resource Estimates and Availability..................... 65 4.4 Responses to Uncertainty.............................................................. 67 4.4.1 The Future Is Determined: An IIASA Approach............. 67 4.4.2 Expert Solicitation and Delphi Analysis.......................... 69 4.4.3 Scenario Analysis............................................................ 70 4.4.4 The Precautionary Principle............................................ 71 4.5 Responding to a New, More Uncertain, Future............................. 72 References................................................................................................ 75 5 Renewable Energy: Too Little, Too Late?........................................... 79 5.1 Introduction................................................................................... 79 5.2 Biomass Energy............................................................................ 80 5.3 Hydropower.................................................................................. 83 5.4 Geothermal Energy....................................................................... 84 5.5 Wind Energy................................................................................. 86 5.6 Solar Energy.................................................................................. 90 5.7 Ocean Energy................................................................................ 93 5.8 Comparison of RE Sources........................................................... 95 5.9 Renewable Energy in the Future................................................... 97 References................................................................................................ 98 6 Nuclear Energy: The Ultimate Technological Fix?............................. 103 6.1 Introduction................................................................................... 103 6.2 Nuclear Energy: History and Forecasts......................................... 104 6.3 The Nuclear Fuel Cycle................................................................ 106 Contents ix 6.4 Reactor Design.............................................................................. 109 6.5 Difficulties with Existing Nuclear Power Programs..................... 111 6.5.1 Uranium Resources Are Limited..................................... 112 6.5.2 Low Level Radiation....................................................... 113 6.5.3 Nuclear Accidents and Reactor Safety............................ 114 6.5.4 Natural Hazards............................................................... 115 6.5.5 Nuclear Weapons Proliferation and Sabotage................. 116 6.6 Nuclear Power: New Technology for the Long-term?.................. 117 6.6.1 Breeder Reactors.............................................................. 117 6.6.2 Fusion Reactors............................................................... 119 6.7 An Uncertain Nuclear Future........................................................ 121 References................................................................................................ 122 7 Engineering for Greater Energy Efficiency......................................... 125 7.1 Introduction................................................................................... 125 7.2 Defining Efficiency and Its Limits................................................ 126 7.3 Transport....................................................................................... 128 7.4 Buildings and Their Equipment.................................................... 133 7.5 Energy Conversion........................................................................ 136 7.6 Obstacles to Energy Savings from Energy Efficiency.................. 137 7.7 Energy Efficiency in a Wider Context.......................................... 140 References................................................................................................ 141 8 Getting Rid of Atmospheric Carbon: Sequestration and Air Capture............................................................. 145 8.1 Introduction................................................................................... 145 8.2 Carbon Sequestration in Soils and Forests.................................... 146 8.3 Carbon Sequestration by Ocean Fertilisation................................ 148 8.4 Carbon Capture from Large Power Plants..................................... 149 8.5 Air Capture.................................................................................... 152 8.6 Geological Carbon Sequestration.................................................. 154 8.7 Carbon Sequestration in the Real World....................................... 156 References................................................................................................ 159 9 Great and Desperate Measures: Geo-engineering............................... 161 9.1 Introduction................................................................................... 161 9.2 Global Albedo Decreases.............................................................. 162 9.2.1 Stratospheric Aerosol Placement..................................... 163 9.2.2 Other Approaches............................................................ 164 9.3 Regional Albedo Decreases.......................................................... 165 9.4 Unwanted Impacts of Geoengineering.......................................... 168 9.4.1 Unwanted Climate-related Impacts................................. 168 9.4.2 Ocean Acidification......................................................... 170