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Professor Myles Allen CBE FRS

Statutory Professor

Research theme

  • Climate physics

Sub department

  • Atmospheric, Oceanic and Planetary Physics
Myles.Allen@physics.ox.ac.uk
Telephone: 01865 (2)72085,01865 (2)75895
Atmospheric Physics Clarendon Laboratory, room 109
  • About
  • Publications

The utility of novel environmental impact metrics in UK ruminant mitigation

Environmental Research: Food Systems IOP Publishing 2:2 (2025) 025009

Authors:

Jessica Zionts, Harriet Bartlett, Tim Searchinger, Myles Allen

Abstract:

Much of the UK land sector’s environmental impact comes from the production of beef and dairy. Conventional metrics, which understate both the impact of methane reductions and the carbon opportunity cost of land, attribute most of this impact to enteric methane and land-use change from imported soy for feed. Recent developments in agricultural impact metrics necessitate investigation into whether continued reliance on conventional metrics could undermine national (and global) progress on climate and deforestation targets. This article estimates emissions and land use impacts associated with cattle in the UK and applies various combinations of metrics under four futures simulating a range of technological and policy levers. We find that the use of alternative metrics can highlight the potential impact of interventions that might have been overlooked when using conventional metrics, particularly encouraging more efficient production by including the carbon cost of foregone sequestration. We suggest that a range of metrics should be considered to ensure mitigation strategies which deliver on global outcomes, and show that estimates of absolute sectoral impact are acutely sensitive to methodological choices in how it is measured. We also find that the rank-ordering of different intervention strategies for the UK is largely insensitive to metric choice, though this may not be the case for all agricultural systems.
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Quantifying CO2 and Non‐CO2 Contributions to Climate Change Under 1.5°C and 2°C Adaptive Emission Scenarios

Earth's Future American Geophysical Union (AGU) 13:3 (2025)

Authors:

Donghyun Lee, Sarah N Sparrow, Matteo Willeit, Paulo Ceppi, Myles R Allen
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Towards an operational forecast-based attribution system - beyond isolated events

Copernicus Publications (2025)

Authors:

Nicholas Leach, Shirin Ermis, Olivia Vashti Ayim, Sarah Sparrow, Fraser Lott, Linjing Zhou, Pandora Hope, Dann Mitchell, Antje Weisheimer, Myles Allen
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AERA-MIP: emission pathways, remaining budgets, and carbon cycle dynamics compatible with 1.5 and 2 °C global warming stabilization

Earth System Dynamics Copernicus Publications 15:6 (2024) 1591-1628

Authors:

Yona Silvy, Thomas L Frölicher, Jens Terhaar, Fortunat Joos, Friedrich A Burger, Fabrice Lacroix, Myles Allen, Raffaele Bernardello, Laurent Bopp, Victor Brovkin, Jonathan R Buzan, Patricia Cadule, Martin Dix, John Dunne, Pierre Friedlingstein, Goran Georgievski, Tomohiro Hajima, Stuart Jenkins, Michio Kawamiya, Nancy Y Kiang, Vladimir Lapin, Donghyun Lee, Paul Lerner, Nadine Mengis, Estela A Monteiro, David Paynter, Glen P Peters, Anastasia Romanou, Jörg Schwinger, Sarah Sparrow, Eric Stofferahn, Jerry Tjiputra, Etienne Tourigny, Tilo Ziehn
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fair-calibrate v1.4.1: calibration, constraining, and validation of the FaIR simple climate model for reliable future climate projections

Geoscientific Model Development Copernicus Publications 17:23 (2024) 8569-8592

Authors:

Chris Smith, Donald P Cummins, Hege-Beate Fredriksen, Zebedee Nicholls, Malte Meinshausen, Myles Allen, Stuart Jenkins, Nicholas Leach, Camilla Mathison, Antti-Ilari Partanen
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