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The outlook for humans is dire without urgent action: 81 laureates’ letter to Australia

While much remains to be learned about the impacts of climate change, more than enough studies have been conducted to tell us we have a serious problem that requires urgent changes to be made.

We welcome government actions to help current victims and improve adaptation to future fires, as well as its acceptance of a role for climate change in the catastrophe. But this is not enough, because the greenhouse gas amounts driving warming are still rising: the world is only at the beginning of the climate change phenomenon.

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The current impacts are happening with just 1C of global temperature increase, but we are set for the best part of another degree even if very strong international action is taken to reduce emissions. This means further increases in extreme fire risk, heatwaves and flooding rains, ecosystems degraded and wild species forced to migrate or vanish, agricultural activities moved or abandoned, challenging our food security.

If strong action is not taken, environmental degradation and social disruption will be much greater and in many cases adaptation will no longer be achievable. It would be naive to assume that such a world will still support human societies in their current form and maintain human wellbeing.

This dire outlook demands stronger mitigation of carbon emissions. Many argue that actions to achieve this would be economically destructive. This claim has no basis, nor is it consistent with Australia’s traditional optimism and ingenuity, nor with historical experience.

Similar objections were raised in the past against government policies to limit air pollution, environmental toxins and ozone-destroying chemicals, but we collectively found ways to achieve mitigation at manageable cost, and with net benefits to society that are clear in hindsight.

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A transition to lower, and eventually net zero emissions, is a huge task but is achievable and far less risky and irresponsible than allowing unmitigated warming. This transition requires determination on the part of leaders, as well as empathy, aid and forward planning for communities disadvantaged by the transition.

Large transformations in the face of comparable challenges have been successfully achieved in the past, such as the development of road and mass transportation systems, waste-water and sewage handling to minimise diseases, and many others. These transformations created new jobs and whole industries, and will do so again.

Australia cannot solve climate change on its own. Reducing emissions is a global challenge that requires collective action. But Australia’s current visibility as ground zero for both climate impacts and climate policy uncertainty presents a unique opportunity for us to emerge as a leader on this challenge.

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Doing so will aid our economy, strengthen our standing in international affairs and relations with neighbours, and help secure Australia and the world from the impacts of climate change. Much research has already been done to identify the policies and technologies that can move us to where we need to go.

What is lacking is the courage to implement them on the required scale. We call on all governments to acknowledge the gravity of the threat posed by climate change driven by human activities, and to support and implement evidence-based policy responses to reduce greenhouse gas emissions in time to safeguard against catastrophe. We owe this to younger generations and those who come after them, who will bear the brunt of our decisions.

This open letter, from 81 Australian Research Council laureates, sent on Wednesday, was led by Professor Steven Sherwood of the ARC Centre of Excellence for Climate Extremes, UNSW Climate Change Research Centre.

Signatures to “ARC Laureates open letter on bushfires and climate”

Steven Sherwood, Climate Change Research Centre, UNSW Sydney

Quentin Grafton, Crawford School of Public Policy, ANU

Trevor J McDougall AC, School of Mathematics and Statistics, UNSW Sydney

Matthew England, Climate Change Research Centre, UNSW Sydney

George Zhao, School of Chemical Engineering, U. Queensland

Michael Bird, College of Science and Engineering, James Cook University

Tamara Davis, School of Mathematics and Physics, University of Queensland

Mark Westoby, Dept of Biological Sciences, Macquarie University

Eelco J. Rohling, Research School of Earth Sciences, ANU

Lesley Head, School of Geography, University of Melbourne

Chris Turney, Chronos 14Carbon-Cycle Facility, UNSW Sydney

Trevor Lithgow, Centre to Impact AMR, Monash University

Paul Mulvaney, School of Chemistry, University of Melbourne

Zheng-Xiang Li, School of Earth and Planetary Sciences, Curtin University

Peter Hodgson, Institute for Frontier Materials, Deakin University

Philip Boyd, Institute for Marine and Antarctic Studies, University of Tasmania

Madeleine JH van Oppen, School of BioSciences, University of Melbourne

Lisa Kewley, Research School for Astronomy and Astrophysics, Australian National University

Warwick Anderson, Department of History and Charles Perkins Centre, University of Sydney

Chennupati Jagadish, AC, Research School of Physics, Australian National University

Sue O’Connor, College of Asia and the Pacific, Australian National University

Ronald Rapee, Centre for Emotional Health, Macquarie University

Jolanda Jetten, School of Psychology, University of Queensland

Richard G. Roberts, School of Earth, Atmospheric & Life Sciences, University of Wollongong

Katherine Demuth, Centre for Language Sciences, Macquarie University

Gottfried Otting, Research School of Chemistry, Australian National University

John Dryzek, Centre for Deliberative Democracy and Global Governance, University of Canberra

Belinda Medlyn, Hawkesbury Institute for the Environment, Western Sydney University

Adrienne Stone, Melbourne Law School, University of Melbourne

Ben Andrews, Mathematical Sciences Institute, Australian National University

Stuart Wyithe, School of Physics, University of Melbourne

Leann Tilley, Department of Biochemistry & Molecular Biology, University of Melbourne

Geoffrey McFadden, School of BioSciences, University of Melbourne

Matthew Bailes, ARC Centre of Excellence for Gravitational Wave Discovery, Swinburne University of Technology

John Quiggin, School of Economics, University of Queensland

Bernard Degnan, Centre for Marine Science, University of Queensland

Jon Barnett, School of Geography, University of Melbourne

Martin Asplund, Research School of Astronomy & Astrophysics, Australian National University

Ivan Marusic, Melbourne School of Engineering, University of Melbourne

Edward Holmes, School of Life & Environmental Sciences and School of Medical Sciences, University of Sydney

Kate Smith-Miles, School of Mathematics and Statistics, University of Melbourne

Justin Marshall, Queensland Brain Institute, University of Queensland

Peter Goodyear, Sydney School of Education & Social Work, The University of Sydney

David Lindenmayer, Fenner School of Environment and Society, ANU

Alexandra Aikhenvald, Language and Culture Research Centre, James Cook University

David Bellwood, College of Science and Engineering, James Cook University

Glenda Sluga, Laureate Research Program in International History, The University of Sydney

Enrico Valdinoci, Department of Mathematics and Statistics, University of Western Australia

Michelle Coote, Research School of Chemistry, Australian National University

Jennifer L Martin AC, University of Wollongong

Ian Reid FTSE, University of Adelaide

Hilary Charlesworth, College of Asia and the Pacific, ANU and Melbourne Law School

Bostjan Kobe, School of Chemistry and Molecular Biosciences, The University of Queensland

Peter Visscher, The University of Queensland

Terry Hughes, ARC Centre of Excellence for Coral Reef Studies, James Cook University

William F. Laurance FAA, Centre for Tropical Environmental and Sustainability Science, James Cook University

Kaarin Anstey, School of Psychology, University of New South Wales

Hugh Possingham, School of Biological Sciences, The University of Queensland

Ove Hoegh-Guldberg, ARC Centre for Excellence for Coral Reef Studies & School of Biological Sciences, The University of Queensland

Jamie Rossjohn FAA, Biomedicine Discovery Institute, Monash University

David Studdert, Stanford Law School, Stanford University

Maria Forsyth FAA, Institute for Frontier Materials, Deakin University

Peter Taylor, ARC Centre of Excellence for Mathematical and Statistical Frontiers, University of Melbourne

Michael Tobar, ARC Centre of Excellence for Engineered Quantum Systems and the ARC Centre of Excellence for Dark Matter Particle Physics, Department of Physics, University of Western Australia

Jason Mattingley, Queensland Brain Institute & School of Psychology, The University of Queensland

Rose Amal, School of Chemical Engineering, UNSW Sydney

Marilyn Fleer, Conceptual PlayLab for STEM education, Faculty of Education, Monash University, Melbourne

Matthew Spriggs, College of Arts and Social Sciences, ANU

Joy Damousi, SHAPS, University of Melbourne

Dan Li, Department of Chemical Engineering, The University of Melbourne

Julian Gale, School of Molecular and Life Sciences, Curtin University

Mark Finnane, Griffith Criminology Institute and School of Humanities, Languages and Social Sciences, Griffith University

Lorraine Mazerolle, School of Social Science, University of Queensland

Alex Haslam, School of Psychology, University of Queensland

Barry Pogson, ARC Centre of Excellence in Plant Energy Biology, Australian National University

Michael Fuhrer, ARC Centre of Excellence in Future Low-Energy Electronics Technologies, Monash University

Zhiguo Yuan AM FTSE, Advanced Water Management Centre, The University of Queensland

Lianzhou Wang, School of Chemical Engineering and Australian Institute for Bioengineering and Nanotechnology, University of Queensland

Barry Brook, ARC Centre of Excellence for Australian Biodiversity and Heritage, University of Tasmania

Paul S.C. Tacon, Griffith Centre for Social and Cultural Research, Griffith University, Queensland

Ann McGrath, Research Centre for Deep History, ANU

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