EGU - Policy - Policy-relevant papers

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<small class="text-uppercase">Policy</small> Policy-relevant papers <small></small> </h1> </div> </section> <div id="breadcrumbs" class="breadcrumbs"> <div class="container d-sm-flex align-items-baseline"> <div class="flex-grow-1"><nav aria-label="breadcrumb"><ol class="breadcrumb"><li class="breadcrumb-item"><a href="/">Home</a></li><li class="breadcrumb-item"><a href="/policy/">Policy</a></li><li class="breadcrumb-item active" aria-current="page"><a href="/policy/papers/">Policy-relevant papers</a></li></ol></nav></div> <div class="d-none d-sm-block text-nowrap ml-2"></div> <div class="d-none d-sm-block text-nowrap ml-2"> <form method="GET" action="/search/" class="form-inline auto-submit flex-nowrap"> <label for="site_keywords" class="sr-only">Site search</label> <div class="input-group"> <input placeholder="Site search" type="text" class="form-control form-control-sm" autocomplete="off" id="site_keywords" name="keywords" value=""> <div class="input-group-append"> <button 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<div id="sidebar_results" class="col-12 col-lg-9"> <div id="sidebar_results_count" class="d-sm-flex justify-content-between align-items-end"> <p> <span id="sidebar_indicator" aria-hidden="true"> <i class="d-inline-block d-lg-none fas fa-spinner fa-spin fa-3x" aria-hidden="true"></i> <span class="d-none d-lg-inline-block" aria-hidden="true"> <i class="fas fa-spinner fa-spin mr-1" aria-hidden="true"></i> Searching ... </span> </span> <span id="sidebar_count"> 350 items found </span> </p> <div class="d-none d-lg-block"> <div class="btn-group btn-group-sm" role="group" aria-label="Show number of entries"> <a data-ic-limit="10" role="button" class="btn btn-tag active" aria-pressed="true" href="?limit=10">10</a> <a data-ic-limit="20" role="button" class="btn btn-tag " href="?limit=20">20</a> <a data-ic-limit="50" role="button" class="btn btn-tag " href="?limit=50">50</a> </div> </div> </div> <hr> <article class="media"> <img class="img-fluid img-thumbnail" alt="policy/relatedpaper/2025/01/25/392ee061-a90d-443b-843c-91421faff5dd.png" src="https://www.egu.eu/media/policy/relatedpaper/2025/01/25/392ee061-a90d-443b-843c-91421faff5dd.png.120x120_q90_crop_upscale.png" srcset="https://www.egu.eu/media/policy/relatedpaper/2025/01/25/392ee061-a90d-443b-843c-91421faff5dd.png.120x120_q90_crop_upscale.png 1x, https://www.egu.eu/media/policy/relatedpaper/2025/01/25/392ee061-a90d-443b-843c-91421faff5dd.png.240x240_q90_crop_upscale.png 2x" loading="lazy"> <div class="media-body"> <h2 class="h4"><a href="https://dx.doi.org/10.5194/nhess-25-287-2025">Spatial identification of regions exposed to multi-hazards at the pan-European level</a></h2> <ul class="list-inline"> <li class="list-inline-item"><i class="far fa-fw fa-newspaper"></i> Natural Hazards and Earth System Sciences</li> <li class="list-inline-item"><abbr class="initialism" title="Digital object identifier">DOI</abbr> <a class="external" href="https://doi.org/10.5194/nhess-25-287-2025">10.5194/nhess-25-287-2025</a></li> <li class="list-inline-item"><i class="far fa-fw fa-calendar-plus"></i> 20 January 2025</li> </ul> <p>The European Commission Disaster Risk Management Knowledge Centre (DRMKC) has developed and hosts a web platform, the Risk Data Hub (RDH), designed to facilitate access to and sharing of curated, EU-wide risk data, tools, and methodologies, ultimately supporting disaster risk management (DRM) initiatives. Based on the RDH data, this study proposes a methodology for the identification of regions with multi-hazard exposure at the pan-European level (EU27+UK). This is the first study that uses spatial patterns (clusters/hotspots) and meta-analysis in order to identify the regions at a European level at risk of multi-hazards. The findings point out the socioeconomic dimension as …</p> <p class="more-link my-1 text-right "><a href="https://dx.doi.org/10.5194/nhess-25-287-2025" aria-label="Read more about Spatial identification of regions exposed to multi-hazards at the pan-European level">Read more</a> </div> </article> <hr> <article class="media"> <img class="img-fluid img-thumbnail" alt="policy/relatedpaper/2025/01/15/9888ec37-3b33-427b-8c3f-3daa524c387f.png" src="https://www.egu.eu/media/policy/relatedpaper/2025/01/15/9888ec37-3b33-427b-8c3f-3daa524c387f.png.120x120_q90_crop_upscale.png" srcset="https://www.egu.eu/media/policy/relatedpaper/2025/01/15/9888ec37-3b33-427b-8c3f-3daa524c387f.png.120x120_q90_crop_upscale.png 1x, https://www.egu.eu/media/policy/relatedpaper/2025/01/15/9888ec37-3b33-427b-8c3f-3daa524c387f.png.240x240_q90_crop_upscale.png 2x" loading="lazy"> <div class="media-body"> <h2 class="h4"><a href="https://dx.doi.org/10.5194/acp-25-119-2025">Potential impacts of marine fuel regulations on an Arctic stratocumulus case and its radiative response</a></h2> <ul class="list-inline"> <li class="list-inline-item"><i class="far fa-fw fa-newspaper"></i> Atmospheric Chemistry and Physics</li> <li class="list-inline-item"><abbr class="initialism" title="Digital object identifier">DOI</abbr> <a class="external" href="https://doi.org/10.5194/acp-25-119-2025">10.5194/acp-25-119-2025</a></li> <li class="list-inline-item"><i class="far fa-fw fa-calendar-plus"></i> 7 January 2025</li> </ul> <p>The Arctic is experiencing enhanced surface warming. The observed decline in Arctic sea-ice extent is projected to lead to an increase in Arctic shipping activity, which may lead to further climatic feedbacks. Using an atmospheric model and results from marine engine experiments that focused on fuel sulfur content reduction and exhaust wet scrubbing, the article investigates how ship exhaust particles influence the properties of Arctic clouds. Implications for radiative surface processes are discussed.</p> <p class="more-link my-1 text-right "><a href="https://dx.doi.org/10.5194/acp-25-119-2025" aria-label="Read more about Potential impacts of marine fuel regulations on an Arctic stratocumulus case and its radiative response">Read more</a> </div> </article> <hr> <article class="media"> <img class="img-fluid img-thumbnail" alt="policy/relatedpaper/2025/01/15/5f264bc6-e574-4bbf-a640-4e7209c5f8e0.png" src="https://www.egu.eu/media/policy/relatedpaper/2025/01/15/5f264bc6-e574-4bbf-a640-4e7209c5f8e0.png.120x120_q90_crop_upscale.png" srcset="https://www.egu.eu/media/policy/relatedpaper/2025/01/15/5f264bc6-e574-4bbf-a640-4e7209c5f8e0.png.120x120_q90_crop_upscale.png 1x, https://www.egu.eu/media/policy/relatedpaper/2025/01/15/5f264bc6-e574-4bbf-a640-4e7209c5f8e0.png.240x240_q90_crop_upscale.png 2x" loading="lazy"> <div class="media-body"> <h2 class="h4"><a href="https://dx.doi.org/10.5194/acp-25-93-2025">To what extent is the description of streets important in estimating local air quality: a case study over Paris</a></h2> <ul class="list-inline"> <li class="list-inline-item"><i class="far fa-fw fa-newspaper"></i> Atmospheric Chemistry and Physics</li> <li class="list-inline-item"><abbr class="initialism" title="Digital object identifier">DOI</abbr> <a class="external" href="https://doi.org/10.5194/acp-25-93-2025">10.5194/acp-25-93-2025</a></li> <li class="list-inline-item"><i class="far fa-fw fa-calendar-plus"></i> 7 January 2025</li> </ul> <p>Modeling atmospheric composition at street level is challenging because pollutant concentrations within street canyons depend on both local emissions and the transport of polluted air masses from remote areas. Therefore, regional-scale modeling and local applications must be combined to provide accurate simulations of the atmospheric composition at street locations. This study highlights the interest of using a street-network model to estimate pollutant concentrations of NOx, NO2, and PM2.5 in heterogeneous urban areas, particularly those adjacent to highways, compared with the subgrid-scale approach embedded in the 3D Eulerian model CHIMERE. However, the study also reveals comparable performances between the two approaches …</p> <p class="more-link my-1 text-right "><a href="https://dx.doi.org/10.5194/acp-25-93-2025" aria-label="Read more about To what extent is the description of streets important in estimating local air quality: a case study over Paris">Read more</a> </div> </article> <hr> <article class="media"> <img class="img-fluid img-thumbnail" alt="policy/relatedpaper/2025/01/25/e8e72501-09f5-402c-b3a0-57d5d4e37fa6.png" src="https://www.egu.eu/media/policy/relatedpaper/2025/01/25/e8e72501-09f5-402c-b3a0-57d5d4e37fa6.png.120x120_q90_crop_upscale.png" srcset="https://www.egu.eu/media/policy/relatedpaper/2025/01/25/e8e72501-09f5-402c-b3a0-57d5d4e37fa6.png.120x120_q90_crop_upscale.png 1x, https://www.egu.eu/media/policy/relatedpaper/2025/01/25/e8e72501-09f5-402c-b3a0-57d5d4e37fa6.png.240x240_q90_crop_upscale.png 2x" loading="lazy"> <div class="media-body"> <h2 class="h4"><a href="https://dx.doi.org/10.5194/nhess-25-77-2025">Impacts on and damage to European forests from the 2018–2022 heat and drought events</a></h2> <ul class="list-inline"> <li class="list-inline-item"><i class="far fa-fw fa-newspaper"></i> Natural Hazards and Earth System Sciences</li> <li class="list-inline-item"><abbr class="initialism" title="Digital object identifier">DOI</abbr> <a class="external" href="https://doi.org/10.5194/nhess-25-77-2025">10.5194/nhess-25-77-2025</a></li> <li class="list-inline-item"><i class="far fa-fw fa-calendar-plus"></i> 6 January 2025</li> </ul> <p>Drought and heat events in Europe are becoming increasingly frequent due to human-induced climate change, impacting both human well-being and ecosystem functioning. The intensity and effects of these events vary across the continent, making it crucial for decision-makers to understand spatial variability in drought impacts. Data on drought-related damage are currently dispersed across scientific publications, government reports, and media outlets. This study consolidates data on drought and heat damage in European forests from 2018 to 2022, using Europe-wide datasets including those related to crown defoliation, insect damage, burnt forest areas, and tree cover loss. Findings reveal that climate extremes are …</p> <p class="more-link my-1 text-right "><a href="https://dx.doi.org/10.5194/nhess-25-77-2025" aria-label="Read more about Impacts on and damage to European forests from the 2018–2022 heat and drought events">Read more</a> </div> </article> <hr> <article class="media"> <img class="img-fluid img-thumbnail" alt="policy/relatedpaper/2025/02/12/9c695b14-1c91-4a07-b8f6-b4e8f3ad22ca.png" src="https://www.egu.eu/media/policy/relatedpaper/2025/02/12/9c695b14-1c91-4a07-b8f6-b4e8f3ad22ca.png.120x120_q90_crop_upscale.png" srcset="https://www.egu.eu/media/policy/relatedpaper/2025/02/12/9c695b14-1c91-4a07-b8f6-b4e8f3ad22ca.png.120x120_q90_crop_upscale.png 1x, https://www.egu.eu/media/policy/relatedpaper/2025/02/12/9c695b14-1c91-4a07-b8f6-b4e8f3ad22ca.png.240x240_q90_crop_upscale.png 2x" loading="lazy"> <div class="media-body"> <h2 class="h4"><a href="https://dx.doi.org/10.5194/bg-21-5481-2024">Effect of the 2022 summer drought across forest types in Europe</a></h2> <ul class="list-inline"> <li class="list-inline-item"><i class="far fa-fw fa-newspaper"></i> Biogeosciences</li> <li class="list-inline-item"><abbr class="initialism" title="Digital object identifier">DOI</abbr> <a class="external" href="https://doi.org/10.5194/bg-21-5481-2024">10.5194/bg-21-5481-2024</a></li> <li class="list-inline-item"><i class="far fa-fw fa-calendar-plus"></i> 11 December 2024</li> </ul> <p>Forests in Europe experienced record-breaking dry conditions during the summer of 2022. This study aimed to understand how different forest types respond to extreme drought. Using meteorological data and satellite imagery, the authors compared 2022 with two previous extreme years, 2003 and 2018. Despite less severe drought in 2022, forests showed a 30 % greater decline in photosynthesis compared to 2018 and 60 % more than 2003. This suggests an alarming level of vulnerability of forests across Europe to more frequent droughts.</p> <p class="more-link my-1 text-right "><a href="https://dx.doi.org/10.5194/bg-21-5481-2024" aria-label="Read more about Effect of the 2022 summer drought across forest types in Europe">Read more</a> </div> </article> <hr> <article class="media"> <img class="img-fluid img-thumbnail" alt="policy/relatedpaper/2025/01/29/79df78cb-5942-4d2a-a5a4-54908d541db7.png" src="https://www.egu.eu/media/policy/relatedpaper/2025/01/29/79df78cb-5942-4d2a-a5a4-54908d541db7.png.120x120_q90_crop_upscale.png" srcset="https://www.egu.eu/media/policy/relatedpaper/2025/01/29/79df78cb-5942-4d2a-a5a4-54908d541db7.png.120x120_q90_crop_upscale.png 1x, https://www.egu.eu/media/policy/relatedpaper/2025/01/29/79df78cb-5942-4d2a-a5a4-54908d541db7.png.240x240_q90_crop_upscale.png 2x" loading="lazy"> <div class="media-body"> <h2 class="h4"><a href="https://dx.doi.org/10.5194/soil-10-873-2024">Soil is a major contributor to global greenhouse gas emissions and climate change</a></h2> <ul class="list-inline"> <li class="list-inline-item"><i class="far fa-fw fa-newspaper"></i> SOIL</li> <li class="list-inline-item"><abbr class="initialism" title="Digital object identifier">DOI</abbr> <a class="external" href="https://doi.org/10.5194/soil-10-873-2024">10.5194/soil-10-873-2024</a></li> <li class="list-inline-item"><i class="far fa-fw fa-calendar-plus"></i> 6 December 2024</li> </ul> <p>Soil produces 98.8 % of the calories consumed by humans, but the contribution that the anthropogenic use of soil makes to global warming is not clear. This paper shows that soil has contributed 15 % of the total global warming caused by well-mixed greenhouse gases. Thus, the finding that soil is a substantial contributor to global anthropogenic greenhouse gas emissions represents a “wicked problem” – how do we continue to increase food production from soil whilst also decreasing emissions? Innovative approaches are urgently required for reducing greenhouse gas emissions from soil if we are to limit global warming to 1.5 …</p> <p class="more-link my-1 text-right "><a href="https://dx.doi.org/10.5194/soil-10-873-2024" aria-label="Read more about Soil is a major contributor to global greenhouse gas emissions and climate change">Read more</a> </div> </article> <hr> <article class="media"> <img class="img-fluid img-thumbnail" alt="policy/relatedpaper/2025/01/17/6819705d-1236-4711-aedf-9203ffb5cc7e.png" src="https://www.egu.eu/media/policy/relatedpaper/2025/01/17/6819705d-1236-4711-aedf-9203ffb5cc7e.png.120x120_q90_crop_upscale.png" srcset="https://www.egu.eu/media/policy/relatedpaper/2025/01/17/6819705d-1236-4711-aedf-9203ffb5cc7e.png.120x120_q90_crop_upscale.png 1x, https://www.egu.eu/media/policy/relatedpaper/2025/01/17/6819705d-1236-4711-aedf-9203ffb5cc7e.png.240x240_q90_crop_upscale.png 2x" loading="lazy"> <div class="media-body"> <h2 class="h4"><a href="https://dx.doi.org/10.5194/tc-18-5495-2024">Impact of climate change on snow avalanche activity in the Swiss Alps</a></h2> <ul class="list-inline"> <li class="list-inline-item"><i class="far fa-fw fa-newspaper"></i> The Cryosphere</li> <li class="list-inline-item"><abbr class="initialism" title="Digital object identifier">DOI</abbr> <a class="external" href="https://doi.org/10.5194/tc-18-5495-2024">10.5194/tc-18-5495-2024</a></li> <li class="list-inline-item"><i class="far fa-fw fa-calendar-plus"></i> 27 November 2024</li> </ul> <p>Understanding the impact of climate change on snow avalanche activity is crucial for safeguarding lives and infrastructure. Here, the article projects changes in avalanche activity in the Swiss Alps throughout the 21st century. The findings reveal elevation-dependent patterns of change, indicating a decrease in dry-snow avalanches alongside an increase in wet-snow avalanches at elevations above the current treeline. These results underscore the necessity to revisit measures for avalanche risk mitigation.</p> <p class="more-link my-1 text-right "><a href="https://dx.doi.org/10.5194/tc-18-5495-2024" aria-label="Read more about Impact of climate change on snow avalanche activity in the Swiss Alps">Read more</a> </div> </article> <hr> <article class="media"> <img class="img-fluid img-thumbnail" alt="policy/relatedpaper/2025/01/17/638810ba-a36d-4c9f-935b-6fe8d0002b09.png" src="https://www.egu.eu/media/policy/relatedpaper/2025/01/17/638810ba-a36d-4c9f-935b-6fe8d0002b09.png.120x120_q90_crop_upscale.png" srcset="https://www.egu.eu/media/policy/relatedpaper/2025/01/17/638810ba-a36d-4c9f-935b-6fe8d0002b09.png.120x120_q90_crop_upscale.png 1x, https://www.egu.eu/media/policy/relatedpaper/2025/01/17/638810ba-a36d-4c9f-935b-6fe8d0002b09.png.240x240_q90_crop_upscale.png 2x" loading="lazy"> <div class="media-body"> <h2 class="h4"><a href="https://dx.doi.org/10.5194/acp-24-10717-2024">The co-benefits of a low-carbon future for PM2.5 and O3 air pollution in Europe</a></h2> <ul class="list-inline"> <li class="list-inline-item"><i class="far fa-fw fa-newspaper"></i> Atmospheric Chemistry and Physics</li> <li class="list-inline-item"><abbr class="initialism" title="Digital object identifier">DOI</abbr> <a class="external" href="https://doi.org/10.5194/acp-24-10717-2024">10.5194/acp-24-10717-2024</a></li> <li class="list-inline-item"><i class="far fa-fw fa-calendar-plus"></i> 25 September 2024</li> </ul> <p>The paper demonstrates that strong climate mitigation could improve air quality in Europe; however, less ambitious mitigation does not result in these co-benefits. The authors use a high-resolution atmospheric chemistry model. This allows us to demonstrate how this varies across European countries and analyse the underlying chemistry. This may help policy-facing researchers understand which sectors and regions need to be prioritised to achieve strong air quality co-benefits of climate mitigation.</p> <p class="more-link my-1 text-right "><a href="https://dx.doi.org/10.5194/acp-24-10717-2024" aria-label="Read more about The co-benefits of a low-carbon future for PM2.5 and O3 air pollution in Europe">Read more</a> </div> </article> <hr> <article class="media"> <img class="img-fluid img-thumbnail" alt="policy/relatedpaper/2025/01/15/586c1409-a95c-482d-8fe4-dea7548dc763.png" src="https://www.egu.eu/media/policy/relatedpaper/2025/01/15/586c1409-a95c-482d-8fe4-dea7548dc763.png.120x120_q90_crop_upscale.png" srcset="https://www.egu.eu/media/policy/relatedpaper/2025/01/15/586c1409-a95c-482d-8fe4-dea7548dc763.png.120x120_q90_crop_upscale.png 1x, https://www.egu.eu/media/policy/relatedpaper/2025/01/15/586c1409-a95c-482d-8fe4-dea7548dc763.png.240x240_q90_crop_upscale.png 2x" loading="lazy"> <div class="media-body"> <h2 class="h4"><a href="https://dx.doi.org/10.5194/bg-21-3883-2024">Global and regional hydrological impacts of global forest expansion</a></h2> <ul class="list-inline"> <li class="list-inline-item"><i class="far fa-fw fa-newspaper"></i> Biogeosciences</li> <li class="list-inline-item"><abbr class="initialism" title="Digital object identifier">DOI</abbr> <a class="external" href="https://doi.org/10.5194/bg-21-3883-2024">10.5194/bg-21-3883-2024</a></li> <li class="list-inline-item"><i class="far fa-fw fa-calendar-plus"></i> 3 September 2024</li> </ul> <p>Tackling climate change by adding, restoring, or enhancing forests is gaining global support. However, it is important to investigate the broader implications of this. The authors used a computer model of the Earth to investigate a future where tree cover expanded as much as possible. They found that some tropical areas were cooler because of trees pumping water into the atmosphere, but this also led to soil and rivers drying. This is important because it might be harder to maintain forests as a result.</p> <p class="more-link my-1 text-right "><a href="https://dx.doi.org/10.5194/bg-21-3883-2024" aria-label="Read more about Global and regional hydrological impacts of global forest expansion">Read more</a> </div> </article> <hr> <article class="media"> <img class="img-fluid img-thumbnail" alt="policy/relatedpaper/2025/01/15/b43c0312-a521-430b-b795-843ab48c66d9.png" src="https://www.egu.eu/media/policy/relatedpaper/2025/01/15/b43c0312-a521-430b-b795-843ab48c66d9.png.120x120_q90_crop_upscale.png" srcset="https://www.egu.eu/media/policy/relatedpaper/2025/01/15/b43c0312-a521-430b-b795-843ab48c66d9.png.120x120_q90_crop_upscale.png 1x, https://www.egu.eu/media/policy/relatedpaper/2025/01/15/b43c0312-a521-430b-b795-843ab48c66d9.png.240x240_q90_crop_upscale.png 2x" loading="lazy"> <div class="media-body"> <h2 class="h4"><a href="https://dx.doi.org/10.5194/acp-24-9219-2024">Understanding the role of contrails and contrail cirrus in climate change: a global perspective</a></h2> <ul class="list-inline"> <li class="list-inline-item"><i class="far fa-fw fa-newspaper"></i> Atmospheric Chemistry and Physics</li> <li class="list-inline-item"><abbr class="initialism" title="Digital object identifier">DOI</abbr> <a class="external" href="https://doi.org/10.5194/acp-24-9219-2024">10.5194/acp-24-9219-2024</a></li> <li class="list-inline-item"><i class="far fa-fw fa-calendar-plus"></i> 23 August 2024</li> </ul> <p>Radiative forcing of contrails could triple by 2050 due to increased air traffic and potential changes in flight altitudes. Factors like air traffic patterns, fuel efficiency, alternative fuels, and climate change further influence this impact. By highlighting gaps in knowledge and uncertainties, this research helps set priorities for future studies and assess strategies to mitigate the environmental impact of aviation emissions.</p> <p class="more-link my-1 text-right "><a href="https://dx.doi.org/10.5194/acp-24-9219-2024" aria-label="Read more about Understanding the role of contrails and contrail cirrus in climate change: a global perspective">Read more</a> </div> </article> <hr> <nav class="btn-toolbar btn-toolbar-pagination mt-2" role="presentation" aria-label="Pagination navigation"> <div class="btn-group btn-group-sm mx-auto" role="group"> <a href="?page=1" data-ic-page="1" role="button" class="btn btn-tag active" aria-pressed="true">1</a> <a href="?page=2" data-ic-page="2" role="button" class="btn btn-tag">2</a> <a href="?page=3" data-ic-page="3" role="button" class="btn btn-tag">3</a> <a href="#" disabled type="button" class="btn btn-tag disabled">...</a> <a href="?page=35" data-ic-page="35" role="button" class="btn btn-tag">35</a> <a href="?page=2" data-ic-page="2" role="button" class="btn btn-tag" aria-label="Next"> <i class="fas fa-fw fa-angle-double-right" aria-hidden="true"></i> <span class="sr-only">Next</span> </a> </div> </nav> </div> </div> </form> </div> </main>  <footer class="d-print-none"> <div class="footer"> <div class="container"> <div class="row"> <div class="col-md-6 mb-4 mb-md-0"> <div class="footer-heading"> <h2>About EGU</h2> </div> <p>EGU, the European Geosciences Union, is Europe’s premier geosciences union, dedicated to the pursuit of excellence in the Earth, planetary, and space sciences for the benefit of humanity, worldwide. 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