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Journal articleSchleussner C-F, Ganti G, Lejeune Q, et al., 2024,
Overconfidence in climate overshoot
, Nature, Vol: 634, Pages: 366-373, ISSN: 0028-0836Global emission reduction efforts continue to be insufficient to meet the temperature goal of the Paris Agreement1. This makes the systematic exploration of so-called overshoot pathways that temporarily exceed a targeted global warming limit before drawing temperatures back down to safer levels a priority for science and policy2,3,4,5. Here we show that global and regional climate change and associated risks after an overshoot are different from a world that avoids it. We find that achieving declining global temperatures can limit long-term climate risks compared with a mere stabilization of global warming, including for sea-level rise and cryosphere changes. However, the possibility that global warming could be reversed many decades into the future might be of limited relevance for adaptation planning today. Temperature reversal could be undercut by strong Earth-system feedbacks resulting in high near-term and continuous long-term warming6,7. To hedge and protect against high-risk outcomes, we identify the geophysical need for a preventive carbon dioxide removal capacity of several hundred gigatonnes. Yet, technical, economic and sustainability considerations may limit the realization of carbon dioxide removal deployment at such scales8,9. Therefore, we cannot be confident that temperature decline after overshoot is achievable within the timescales expected today. Only rapid near-term emission reductions are effective in reducing climate risks.
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ReportClarke B, Barnes C, Sparks N, et al., 2024,
Climate change key driver of catastrophic impacts of Hurricane Helene that devastated both coastal and inland communities
, Publisher: Centre for Environmental Policy -
ReportKimutai J, Vautard R, Zachariah M, et al., 2024,
Climate change and high exposure increased costs and disruption to lives and livelihoods from flooding associated with exceptionally heavy rainfall in Central Europe
, Publisher: Centre for Environmental Policy -
ReportIqbal M, 2024,
Fusion Before 2050: A net zero future powered by fusion? New possibilities for realising nuclear fusion before 2050
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ReportBird J, Wittke I, 2024,
Climate Change Adaptation: Priority Research Areas
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ReportZachariah M, Fioravanti G, Acosta Navarro JC, et al., 2024,
Climate change key driver of extreme drought in water scarce Sicily and Sardinia
, Publisher: Centre for Environmental Policy -
ReportBecker M, 2024,
Addressing the Scope 3 Challenge - a workshop briefing from researchers working on corporate climate action and governance
The Grantham Institute for Climate Change at the Environment teamed up with Oxford Net Zero to convene a set of workshops bringing together academics and other experts to discuss issues related to the assessment and mitigation of scope 3 emissions. This briefing sets out the themes arising from workshop discussions on how standard setting bodies such as SBTi might approach scope 3.
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Journal articleBoran I, Pettorelli N, Koberle AC, et al., 2024,
Making Global Climate Action work for nature and people: Priorities for Race to Zero and Race to Resilience
, ENVIRONMENTAL SCIENCE & POLICY, Vol: 159, ISSN: 1462-9011 -
Journal articleLau KH, Toumi R, 2024,
On the spirality of the asymmetric rain field of tropical cyclones under vertical wind shear
, Geophysical Research Letters, Vol: 51, ISSN: 0094-8276The downshear-left enhancement of tropical cyclone rainfall has been demonstrated previously, but the radial dependence of this effect was not analyzed in detail. This study quantifies the progressive upwind shift of the wavenumber-1 maximum rain position with radius relative to the vertical wind shear direction. This shift is visualized as a distinctive upwind spiral of the maximum. It is shown that this spiral pattern is generally observed across various storm intensities, shear strength, and ocean basins. Detailed examination revealed that the maximum downwind deflection angle of the wavenumber-1 rain maximum relative to the shear direction is smaller for tropical storms than hurricanes, but insensitive to hurricane intensity. It is proposed that the spirality is produced by a continuous decline in angular advection of air parcels with radius. The stability of the deflection angle in hurricanes may be accounted for by a corresponding increase in vertical ascent under strengthening angular flow.
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ReportClarke B, Zachariah M, Barnes C, et al., 2024,
Climate change increased Typhoon Gaemi's wind speeds and rainfall, with devastating impacts across the western Pacific region
, Publisher: Centre for Environmental Policy -
ReportZachariah M, T CS R D T A, Barnes C, et al., 2024,
Landslide-triggering rainfall made more intense by human-induced climate change, devastating highly vulnerable communities in northern Kerala
, Publisher: Centre for Environmental Policy -
Journal articleZhong G, Lin Z, Liu F, et al., 2024,
Toxicokinetics and Mussel Watch: Addressing Interspecies Differences for Coastal Cadmium Contamination Assessment
, ENVIRONMENTAL SCIENCE & TECHNOLOGY, Vol: 58, Pages: 14618-14628, ISSN: 0013-936X -
ReportBarnes C, Santos FLM, Libonati R, et al., 2024,
Hot, dry and windy conditions that drove devastating Pantanal wildfires 40% more intense due to climate change
, Publisher: Centre for Environmental Policy -
ReportJennings N, Brandmayr C, 2024,
How can action to tackle climate change improve people’s health and save the NHS money?
To achieve Net Zero greenhouse gas emissions by 2050 and contribute to global efforts to avoid the worst consequences of climate change, policies are required that reduce emissions across the whole of UK society including the transport, housing and agriculture sectors. Climate action could play an important role in helping to reduce existing health inequalities, improving public health and responding to the high levels of pressure on the NHS.
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ReportLawrance E, Newberry Le Vay J, El Omrani O, et al., 2024,
Global Agenda for Research and Action in Climate Change and Mental Health
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Journal articleGreene SM, Schachat SR, Arita-Merino N, et al., 2024,
Accessible interview practices for disabled scientists and engineers
, ISCIENCE, Vol: 27 -
Journal articleRao RR, Bucci A, Corby S, et al., 2024,
Unraveling the Role of Particle Size and Nanostructuring on the Oxygen Evolution Activity of Fe-Doped NiO
, ACS CATALYSIS, Vol: 14, Pages: 11389-11399, ISSN: 2155-5435 -
Journal articleLiang C, Rao RR, Svane KL, et al., 2024,
Unravelling the effects of active site density and energetics on the water oxidation activity of iridium oxides
, Nature Catalysis, Vol: 7, Pages: 763-775, ISSN: 2520-1158Understanding what controls the reaction rate on iridium-based catalysts is central to designing better electrocatalysts for the water oxidation reaction in proton exchange membrane electrolysers. Here we quantify the densities of redox-active centres and probe their binding strengths on amorphous IrOx and rutile IrO2 using operando time-resolved optical spectroscopy. We establish a quantitative experimental correlation between the intrinsic reaction rate and the active-state energetics. We find that adsorbed oxygen species, *O, formed at water oxidation potentials, exhibit repulsive adsorbate–adsorbate interactions. Increasing their coverage weakens their binding, thereby promoting O–O bond formation, which is the rate-determining step. These analyses suggest that although amorphous IrOx exhibits a higher geometric current density, the intrinsic reaction rates per active state on IrOx and IrO2 are comparable at given potentials. Finally, we present a modified volcano plot that elucidates how the intrinsic water oxidation kinetics can be increased by optimizing both the binding energy and the interaction strength between the catalytically active states.
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ReportPinto I, Barnes C, Philip S, et al., 2024,
Extreme heat killing more than 100 people in Mexico hotter and much more likely due to climate change
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ReportRogelj J, Stern N, Zenghelis D, et al., 2024,
The truth about climate action in the UK: dispelling common myths to underline the importance of acting on net zero
To help unpack the evidence and provide greater clarity about what is fact and what is false, this collection of essays authored by academics from across the UK explores a range of topics that are often featured in public and policy discussion on climate change.The essays outline the key evidence on climate science, the economic implications of climate action, the performance and costs of technologies and infrastructure to reduce emissions, and public attitudes to net zero.
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ReportZachariah M, Saeed F, Barnes C, et al., 2024,
Increasing April-May rainfall, El Niño and high vulnerability behind deadly flooding in Afghanistan, Pakistan and Iran
, Publisher: Centre for Environmental Policy -
ReportBrandmayr C, Bird J, Jennings N, et al., 2024,
General Election 2024: climate change priorities for the next UK Government
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Journal articleLee H, Kim K-H, Rao RR, et al., 2024,
A hydrogen radical pathway for efficacious electrochemical nitrate reduction to ammonia over an Fe-polyoxometalate/Cu electrocatalyst
, MATERIALS HORIZONS, ISSN: 2051-6347 -
ReportClarke B, Barnes C, Rodrigues R, et al., 2024,
Climate change, El Niño and infrastructure failures behind massive floods in southern Brazil
, Publisher: Centre for Environmental Policy -
Journal articleRai UJ, Oluleye G, Hawkes A, 2024,
Stochastic optimisation model to determine the optimal contractual capacity of a distributed energy resource offered in a balancing services contract to maximise profit
, Energy Reports, Vol: 11, Pages: 5800-5818, ISSN: 2352-4847In the realm of grid balancing services, determining the generation capacity of a distributed energy resource for contractual agreements with the system operator is pivotal. However, prevalent heuristic or deterministic methodologies employed by demand response aggregators often lack risk assessment and may not optimize generation capacity allocation. Consequently, the potential for maximizing utilization profits remains untapped. This paper addresses these limitations and explains the necessity of using the optimal generation capacity of a grid-connected distributed energy resource which is also fulfilling site electricity demand to maximise profit and mitigate penalties both for demand response aggregators and their clients. Demand response aggregators provide these services to the system operator on behalf of their clients whose electrical generation assets they utilize on a profit-sharing basis. The primary challenge investigated in this study lies in effectively managing the uncertainty surrounding both site electricity demand and short-term operating reserve calls by the system operator through a novel two-step approach. Firstly, a demand bin characterization technique is employed to account for site demand uncertainty. Subsequently, a stochastic model utilizing mixed integer nonlinear programming is developed using the General Algebraic Modeling System, incorporating five years of uncertainty regarding the frequency of short-term operating reserve calls which makes it instrumental and novel in determining optimal contractual generation capacity in a balancing service contract, as well as associated profits and penalties, under varying utilization prices. This distinctiveness positions it as an advancement over and distinct from deterministic approaches. Case study results demonstrate the efficacy of the proposed stochastic model in comparison to deterministic methods utilized in prior research. Specifically, the stochastic model yields a realistic profit incr
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Journal articleHolm DD, Hu R, Street OD, 2024,
Geometric mechanics of the vertical slice model
, Geometric Mechanics, Vol: 01, Pages: 77-121, ISSN: 2972-4589<jats:p> The goals of this work are to: (i) investigate the dynamics of oceanic frontogenesis by taking advantage of the geometric mechanics underlying the class of Vertical Slice Models (VSMs) of ocean dynamics and (ii) illustrate the versatility and utility of deterministic and stochastic variational approaches by deriving several variants of wave–current interaction models which describe the effects of internal waves propagating within a vertical planar slice embedded in a 3D region of constant horizontal gradient of buoyancy in the direction transverse to the vertical plane. </jats:p>
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Journal articleQuilodran-Casas C, Li Q, Zhang N, et al., 2024,
Exploring unseen 3D scenarios of physics variables using machine learning-based synthetic data: An application to wave energy converters
, ENVIRONMENTAL MODELLING & SOFTWARE, Vol: 177, ISSN: 1364-8152 -
ReportEl Omrani O, Massazza A, Fleury J, et al., 2024,
Submission by The Climate Cares Centre and United for Global Mental Health to the Expert Dialogue on Children and Climate Change
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ReportVrkic D, 2024,
Test Dora
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Working paperBird J, 2024,
Autumn and winter storms in the UK 2023-24
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