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Thomas Pugh, principal investigator at BECC and researcher at MERGE, is one of the researchers behind a new study that is published in Science. In the study, the researchers compared results from three major modeling approaches that provide information on different aspects of risk on the impact of climate change on forests in the 21st century. Forests harbor enormous biodiversity and are a major c

https://www.merge.lu.se/article/climate-risk-analysis-earths-forests-21st-century - 2025-10-29

China has suffered an extreme heat wave this summer and the Yangtze River has been completely dried up in parts. This is the topic of a new episode of the Swedish podcast Kinapodden with MERGE-researcher Deliang Chen as one of the guests. China has suffered an extreme heat wave this summer. The Yangtze River has been completely dried up in parts, resulting in an acute energy shortage. In a new epi

https://www.merge.lu.se/article/merge-researcher-deliang-chen-guests-kinapodden-talk-about-drought-along-yangtze-river - 2025-10-29

Effects of a warmer Arctic are not only negative for the climate, according to a new thesis from the Centre for Environmental and Climate Science at Lund University, Sweden. Modelling showed that moving the tree line upwards could increase carbon storage, as trees sequester more carbon in their biomass than tundra plants. But the results are uncertain. The Arctic – the area north of the Arctic Cir

https://www.merge.lu.se/article/complex-consequences-warmer-arctic - 2025-10-29

After this summer meeting, one cannot understate the importance of and unmistakeable delight in meeting in-person after a long, pandemic-sized hiatus. On the shores of the Baltic Sea, in the crisp early autumn of Skåne, a group of 28 ClimBEco PhD students spent two nights and two days getting to know one another and learning about the topic of sustainable coastal environments. Hosted by the Simris

https://www.merge.lu.se/article/reflections-climbeco-summer-meeting-2022 - 2025-10-29

The UN’s annual climate change conference takes place this year in Sharm el-Sheikh in Egypt. Over the course of two weeks, representatives of the world’s nations will gather to discuss how to achieve the goals of the 2015 Paris Agreement and contribute to the climate transition. At this year’s COP, the focus will be on topics such as climate finance, loss and damage, adaptation to climate change a

https://www.merge.lu.se/article/uns-climate-change-conference-cop27-topics-agenda - 2025-10-29

Just before the start of COP27, IPCC released a popular science version of its latest report on climate change. Deliang Chen, professor at MERGE and BECC, is one of the authors and comments the summary, which is also available for download. To make science on climate change and its effects more available to all, IPCC has released a popular science version of its latest report written in a plain la

https://www.merge.lu.se/article/ipcc-summary-all - 2025-10-29

Swedish, previously uncut forests have been converted to plantations at a steady rate since 2003. In a new study, MERGE-researcher Anders Ahlström and his research team find that old forests have been cut and lost by ∼1.4% per year since 2003, and at this rate they will disappear by the 2070s. Natural ecosystems that have experienced limited direct human impact are threatened by land use change. O

https://www.merge.lu.se/article/old-unprotected-forests-might-disappear-2070s-sweden - 2025-10-29

MERGE is one of the partners in CLIMB-FOREST - a new Horizon Europe project that will investigate how the climate is affected by different ways of managing the forest. There is a lot of expertise in each individual country, but there is no coordinated overview of Europe’s forests and forest health. A major new EU project, CLIMB-FOREST, will create an overview of European forests and forestry over

https://www.merge.lu.se/article/how-climate-affected-forest-management-new-project-help-guide-european-forestry - 2025-10-29

Tipping elements are regions that are vulnerable to climate change and capable of sudden drastic changes. However, it is not well understood to what degree tipping of one element in the system can influence other tipping elements. In this study, the researchers establish long-distance connections (teleconnections) between tipping elements using network analysis – thus applying a new approach in cl

https://www.merge.lu.se/article/network-analysis-new-approach-uncover-long-distance-connections-between-climate-tipping-elements - 2025-10-29

SMHI, the Swedish Meteorological and Hydrological Institute, is one of the partners in MERGE with many active scientists. SMHI has recently released a podcast that guides the listener through the interesting subject of climate research in practice. In the public debate, we often here the that we need to listen to the climate scientists. But what do climate scientists actually say? How do we study

https://www.merge.lu.se/article/new-podcast-smhi-klimatforskarna - 2025-10-29

With a rainy and blustery Lund as backdrop outside the windows of the Elite Hotel Ideon, the ClimBEco winter meeting 2023 offered a warm and welcoming atmosphere for one and a half days this January. The main focus of this meeting was to learn more about the ongoing research of current PhD students through flash talks. As always with ClimBEco, talks covered a wide spectrum of research that falls w

https://www.merge.lu.se/article/climbeco-winter-meeting-2023-summary - 2025-10-29

Within the activities of the EU HORIZON 2020 project SCIPPER, recordings of NOx (nitrogen oxides) emissions from vessels were remotely collected and analysed. The data originated from different measurement locations in the Baltic Sea and North Sea within 2022. The analysis shows that 50 per cent of the emission measurements of ships that had to comply with the latest Tier III NOx levels, far excee

https://www.merge.lu.se/article/half-ships-well-above-emission-limits-nitrogen-oxide - 2025-10-29

The UN's Intergovernmental Panel on Climate Change (IPCC) has released a synthesis report summarizing the reports of recent years. Markku Rummukainen, Sweden's contact person for the IPCC and also Professor of Climatology at the Center for Environmental and Climate Science at Lund University and a member of MERGE, answers five question about the new report. What does the new synthesis report say?

https://www.merge.lu.se/article/markku-rummukainen-new-ipcc-report-near-term-action-crucial - 2025-10-29

Not all air pollution are created by humans. As the global average temperature rises, harmful emissions from plants increase and more desert dust is dispersed in the atmosphere. Researchers from the University of Gothenburg ande MERGE-members, among others, warn that this leads to increased health risks. Climate change does not only mean that the global average temperature is rising by several deg

https://www.merge.lu.se/article/deteriorating-air-quality-warmer-world - 2025-10-29

Dense urban areas amplify the effects of higher temperatures, due to the phenomenon of heat islands in cities. Large investments in the electricity network will be necessary to cool us down during heatwaves and keep us warm during cold snaps, according to a new study by researchers from the University of Gothenburg and Lund University. The study presents a modelling platform that ties together cli

https://www.merge.lu.se/article/cities-will-need-more-resilient-electricity-networks-cope-extreme-weather - 2025-10-29

As the ice-breaker Odin set sail on the 7th of May, MERGE-researchers Luisa Ickes, Lovisa Nilsson and Nicolas Faure were on it! The purpose of the expedition is to get to the Arctic Ocean at the beginning of the melting season. The researchers within ARTofMELT (Atmospheric rivers and the onset of sea ice melt) want to find out, among other things, when the ice starts to melt and what processes are

https://www.merge.lu.se/article/greetings-polar-expedition-artofmelt-2023 - 2025-10-29

Professor Torben R. Christensen has a comment published in the international top science journal Nature. In the comment, he looks back at the scientific work in the field of methane flux research since more than 20 years, and worries about the fact that Arctic methane emissions remain almost as uncertain as they were then, and points out that the research on methane fluxes needs to be extended."Me

https://www.merge.lu.se/article/torben-r-christensen-comments-nature - 2025-10-29

The vegetation in Europe has not always looked like it does today. Just as the ice sheet retreated in northern Europe and the population increased, man began to affect the landscape to a greater extent by deforestation. At first on a small scale to facilitate hunting, for example, and then more systematically to make way for agriculture. A new study shows that one of the consequences was changes i

https://www.merge.lu.se/article/deforestation-changed-climate-europe-during-bronze-age - 2025-10-29

Ice sheets, snow and the ocean as far as the eye can see. No shipping vessels or people in sight, and only polar bears for company. The icebreaker Oden sails between Svalbard and Greenland, and this spring, doctoral student Lovisa Nilsson, and a member of MERGE, joined the ship to study the transition from winter to summer in the Arctic, and how soot affects the melting of sea ice. For six weeks,

https://www.merge.lu.se/article/research-trip-arctic-was-followed-polar-bears - 2025-10-29

In September 13-15, 2023 the ClimBEco summer meeting entitled “Double up and double down: linking the global climate and biodiversity crises to bring about fast, fair and transformative change” was held. My research background is not in marine sciences, nor am I used to living by the sea, yet something about the Kristineberg Center for Marine Research brings about a comfortable feeling of being in

https://www.merge.lu.se/article/reflections-climbeco-summer-meeting-2023 - 2025-10-29