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Nonlinear increase of compound drought-heatwave events since the early 2000s
Published October 6, 2026 | Version v2 1. Hanyang University 2. Ewha Womans University 3. Ocean University of China 4. CSIRO Environment Compound drought-heatwave events (CDHEs) have substantially increased since the early 2000s, posing elevated risks to socio-ecosystems. However, the physical characteristics of drought- and heatwave-leading CDHEs and their relative contributions to the overall increase remain unexplored.
Fifteen years of regional climate downscaling in CORDEX-Australasia
Loading metrics Citation: Evans JP, Thatcher M, Argüeso D, Di Luca A, Trancoso R, Andrys J, et al. (2026) Fifteen years of regional climate downscaling in CORDEX-Australasia. PLOS Clim 5(9): e0001066. https://doi.org/10.1371/journal.pclm.0001066 Editor: Jamie Males, PLOS Climate, UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND Published: September 24, 2026 Copyright: © 2026 Evans et al.
What controls tropospheric carbon monoxide in the remote Southern Hemisphere?
Status: closed Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse Please provide a reason why you see this comment as being abusive. You might include your name and email but you can also stay anonymous. Please provide a reason why you see this comment as being abusive. Please confirm reCaptcha. Comment* Name: Email: Metrics will be available soon.
Global Wildfire Impacts on Air Quality and Human Health under Future Climate Scenarios
Published September 7, 2026 | Version v1 1. Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China 2. Laboratoire des Sciences du Climat et de l'Environnement, LSCE/IPSL, CEA-CNRS-UVSQ, Université Paris-Saclay, Gif-sur-Yvette, France 3. Department of Earth System Science, University of California, Irvine, Irvine, CA, USA 4. International Institute for Applied Systems Analysis (IIASA), Schlossplatz, Laxenburg, Austria 5.
A Comparison of Regional Climate Changes Under Idealized Zero-Emissions and Exceedance-and-Return Experiments
Status: closed Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse Please provide a reason why you see this comment as being abusive. You might include your name and email but you can also stay anonymous. Please provide a reason why you see this comment as being abusive. Please confirm reCaptcha. Comment* Name: Email: Metrics will be available soon.
Convective environments prone to downbursts, large hail, short-duration precipitation extremes and tornadoes in Spain
Status: this preprint is open for discussion and under review for Natural Hazards and Earth System Sciences (NHESS). Status: open (until 21 Oct 2026) Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse Please provide a reason why you see this comment as being abusive. You might include your name and email but you can also stay anonymous. Please provide a reason why you see this comment as being abusive. Please confirm reCaptcha.
Assessment of viral pathogen removal across wastewater treatment stages in a swine processing facility
Wastewater generated by abattoirs contains high concentrations of organic matter, suspended solids, nutrients and diverse microbial communities due to activities such as live animal handling, cleaning and wash down, slaughter and carcase processing.1, 2 These processes introduce faecal material, blood, other body fluids and animal tissue residues into the waste stream.3, 4 As a result, the wastewater carries microorganisms of animal and human health relevance, including pathogenic bacteria,...
Quantifying evapotranspiration in Nepal using multiple constraints
Status: this preprint is open for discussion and under review for Hydrology and Earth System Sciences (HESS). Status: open (until 22 Sep 2026) Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse Please provide a reason why you see this comment as being abusive. You might include your name and email but you can also stay anonymous. Please provide a reason why you see this comment as being abusive. Please confirm reCaptcha.
Evaluating CH4 retrieval methods for hyperspectral images from EnMAP
Status: this preprint is open for discussion and under review for Atmospheric Measurement Techniques (AMT). Status: open (until 22 Aug 2026) Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse Please provide a reason why you see this comment as being abusive. You might include your name and email but you can also stay anonymous. Please provide a reason why you see this comment as being abusive. Please confirm reCaptcha.
Drivers and uncertainties of regional climate change through overshoot and net-zero greenhouse gas emissions futures
Status: this preprint is open for discussion and under review for Earth System Dynamics (ESD). Status: open (until 31 Aug 2026) Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse Please provide a reason why you see this comment as being abusive. You might include your name and email but you can also stay anonymous. Please provide a reason why you see this comment as being abusive. Please confirm reCaptcha.
Ideas and perspectives: Beyond Microbes: Integrating Termites into Global Soil Carbon Cycling Models
Status: this preprint is open for discussion and under review for Biogeosciences (BG). Status: open (until 13 Jul 2026) Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse Please provide a reason why you see this comment as being abusive. You might include your name and email but you can also stay anonymous. Please provide a reason why you see this comment as being abusive. Please confirm reCaptcha.
A high-resolution coupled atmosphere-ocean model of the Great Barrier Reef: ACCESS-EMS-GBR v1.0
Status: closed Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse Please provide a reason why you see this comment as being abusive. You might include your name and email but you can also stay anonymous. Please provide a reason why you see this comment as being abusive. Please confirm reCaptcha. Comment* Name: Email: Metrics will be available soon.
Advancing equity through the “capability to aspire” in ocean and coastal governance: centering indigenous and local values to shape social–ecological futures — a review
Abstract Calls for equity and justice are increasingly shaping ocean and coastal governance; however, a persistent challenge remains in centering how Indigenous Peoples’ and Local Communities’ (IPLCs) values are meaningfully recognized and enacted within decision-making processes, particularly under accelerating socioecological change.
Impact of sea ice rheological parameters and grounded iceberg distribution on Antarctic landfast sea ice: a sensitivity study with CICE version 6.4.1
Status: this preprint is open for discussion and under review for Geoscientific Model Development (GMD). Status: open (until 01 Jul 2026) Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse Please provide a reason why you see this comment as being abusive. You might include your name and email but you can also stay anonymous. Please provide a reason why you see this comment as being abusive. Please confirm reCaptcha.
Nonlinear increase of compound drought-heatwave events since the early 2000s
Published January 16, 2026 | Version v1 Software Open Compound drought–heatwave events (CDHEs) have significantly increased since the early 2000s, posing elevated risks to socio-ecosystems. However, the physical characteristics of drought- and heatwave-leading CDHEs and their relative contributions to the overall increase remain unexplored.
Mapping blue carbon ecosystems from Earth observations at a national scale for Papua New Guinea
1 Introduction Coastal vegetated ecosystems, including mangrove, saltmarsh, and seagrass, are among the most extensive and valuable landscapes across the tropical central Indo-Pacific (Friess et al., 2020; Stankovic et al., 2021).
An approach for deriving water quality guideline values for antimicrobials that integrates ecotoxicity and antimicrobial resistance endpoints
Antimicrobials pose ecological risks in aquatic environments, particularly to cyanobacteria, aquatic plants and green algae, and with the potential to disrupt microbiomes upon which all biota rely. Beyond direct toxicity, these chemicals also contribute to the emergence and spread of antimicrobial resistance, posing risks to human, animal (including wildlife) and plant crop health, particularly through wastewater discharges and water reuse.
Challenges of reusing marine image-based data for fish and benthic habitat Essential Variables: insights from data producers
1 Introduction Strong declines in the condition of marine ecosystems and biodiversity stem from human activities, both indirectly in relation to climate change, and directly through well-identified pressures including farming, deforestation, overexploitation of resources and coastal development (Halpern et al., 2008; Froese et al., 2018; IPBES, 2019). Management and policy responses to these declines are informed by monitoring the status and trend in the condition of oceans and marine life.
Thermostable Bacterial Esterases From Lipase Family 1.5 Degrade Compostable Polyesters PBAT and PBSA
1 Introduction From packaging to textiles, electronics, containers, and innumerable other applications, polyesters are integral to every aspect of modern life. The qualities that make polyesters attractive materials (durability and low reactivity) have also inadvertently created a global environmental disaster (Maity et al. 2021). Many polyester-based products are intended for single use, but their complete degradation in landfill or water bodies can take centuries (Chamas et al. 2020).
The world’s carbon emissions continue to rise. But 35 countries show progress in cutting carbon
But unless these efforts are scaled up substantially, current global temperature trends are projected to significantly exceed the Paris Agreement target that aims to keep warming well below 2°C. These 35 countries are now emitting less carbon dioxide even as their economies grow.
The world’s carbon emissions continue to rise. But 35 countries show progress in cutting carbon
Global fossil fuel emissions are projected to rise in 2025 to a new all-time high, with all sources – coal, gas, and oil – contributing to the increase. At the same time, our new global snapshot of carbon dioxide emissions and carbon sinks shows at least 35 countries have a plan to decarbonise. Australia, Germany, New Zealand and many others have shown statistically significant declines in fossil carbon emissions during the past decade, while their economies have continued to grow.
Investigating the Suitability of Managed Aquifer Recharge Legislation Across Australia and Lessons for Reducing Barriers
Conflicts of Interest The authors declare no conflicts of interest. Data Availability Statement Australian state and territory legislation, regulation and policy documents can be found on the relevant government websites. MAR Policy Expert Workshop survey and focus group data are confidential in nature and cannot be shared. Supporting Information Filename Description ajar70070-sup-0001-AppendixS1.docxWord 2007 document , 157.6 KB Appendix A1: MAR technology and background.
The climate case for planting trees has been overhyped — but it’s not too late to fix it
But to what extent can planting trees actually limit climate change? That is the question my colleagues and I examined in research published today. We found while reforestation can contribute significantly to tackling climate change, its global potential is only a fraction of what’s been claimed. Unless we change tack, reforestation is unlikely to significantly help achieve net zero. Unless we change tack, reforestation is unlikely to significantly help achieve net zero.
Frontiers | Norfolk Island’s freshwater ecosystems: a case history and exemplar of freshwater biodiversity inventory, threat assessments, ecological recovery and conservation planning
Abstract Norfolk Island is a small remote island in the Southwest Pacific Ocean distinguished by its volcanic origins, topographic, pedological and hydrological complexity, and endemic biodiversity. This review presents Norfolk Island as a case history and exemplar of freshwater biodiversity inventory, threat assessments, ecological recovery and conservation planning on a neglected Pacific Island.
Advancing a Hydrological Model to Quantify Groundwater Discharge of Forest Groundwater Dependent Ecosystems
1 Introduction Groundwater provides a vital resource to humanity globally for consumptive uses, especially food and energy production. However, unlike surface water, this hidden commodity rarely receives the attention required to ensure sustainable regional-scale volumetric water extraction limits are determined and adhered to within water policy (Cook et al. 2022). As a result, many aquifers around the world are stressed and diminishing through over-extraction.
Coral bleaching and mass mortality at Lizard Island revealed by drone imagery - Coral Reefs
Abstract Quantitatively assessing mortality post coral bleaching at scale is inherently difficult, yet can be achieved with georeferenced imagery from aerial drones. Here, we assess the coral bleaching mortality rate from the 2024 global bleaching event at the iconic Lizard Island, Australia.
Exploring mechanisms of change in a Southern Ocean fishery with a co-produced network model
Interacting climate change impacts on ocean environments and biota across scales are creating conditions beyond what marine ecosystems have previously experienced, are increasing the challenge of sustainable management (Bindoff et al. 2019, Lotze et al. 2019, Cheung et al. 2021). Managing fisheries sustainably into the future requires predicting how fish stocks will be affected by environmental and ecological changes as well as how fisheries behaviour will interact with these changes (Holsman et al.
Transcriptomic temperature stress responses show differentiation between biomes for diverse plants
Plants are foundational to terrestrial ecosystems and because they are sessile, are particularly reliant on physiological plasticity to respond to weather extremes. However, variation in conserved transcriptomic responses to temperature extremes are not well described across plants from contrasting environments. Beyond molecular responses, photosystem II (PSII) thermal tolerance traits are widely used to assay plant thermal tolerance.
Transcriptional profiles reveal physiological mechanisms for compensation during a simulated marine heatwave in Yellowtail Kingfish (Seriola lalandi) - BMC Genomics
The results first anchor the sublethal heat stress by describing the impact of the heat stress on the mortality and growth (described in Sect. 3.1), and the evidence of heat stress (described in Sect. 3.2). We then use the transcriptome (the assembly is described in Sect. 3.3) of fish collected after 6, 24, 72 H exposure to continuous heat stress to characterise physiological adjustments in the gill and the muscle (described in Sect. 3.4 and subsequent sections).
Cascading tipping points of Antarctica and the Southern Ocean - Ambio
Abstract Antarctica and the Southern Ocean are key elements in the physical and biological Earth system. Human-induced climate change, and other human activities in the region, are leading to several potential interacting tipping points with major and irreversible consequences. Here, we examine eight potential physical, biological, chemical, and social Antarctic tipping points.
Genome scans reveal extensive population structure in three neritic tuna and tuna-like species in the Indian Ocean
Neritic tunas and tuna-like species (Scombridae; hereafter neritic tunas) inhabit shallow neritic water above the continental shelf where light can penetrate to the sea floor. Although not as valuable as the tropical (Bigeye, Yellowfin, and Skipjack) or bluefin tuna fisheries, neritic tunas are an important source of food, employment, and income for many coastal nations, particularly in the Indo-Pacific region.
Governance challenges to protect globally important ecosystem services of the Antarctic and Southern Ocean
Despite the fact that the resources of the Antarctic and Southern Ocean (A&SO) have been exploited since the mid-1600s (Trathan and Reid 2009), the region remains remote and relatively pristine. It provides numerous ecosystem services (ES) to the planet, including climate control, scientific research, fisheries, tourism, aesthetics, and other critically important cultural values (Grant et al. 2013, Cavanagh et al. 2016, Deininger et al.
A performance measure framework for ecosystem-based management
Ecosystem-based management (EBM) in marine systems has been challenging to implement and when it has been attempted, it is unclear if it is “making a difference” and actually improving social, economic, and ecological conditions in the associated ocean coastal communities (Link and Browman 2017, Alexander and Haward 2019).
Reef visitors’ observation of assisted coral recovery devices in situ reduces concern about their use
Citation: Curnock MI, Arya R, Chamberland E, Chartrand K, Edmondson J, Fisher EE, et al. (2024) Reef visitors’ observation of assisted coral recovery devices in situ reduces concern about their use. PLoS ONE 19(11): e0313345. https://doi.org/10.1371/journal.pone.0313345 Editor: Nadeem Nazurally, University of Mauritius, MAURITIUS Received: June 5, 2024; Accepted: October 23, 2024; Published: November 8, 2024 Copyright: © 2024 Curnock et al.
Carbono congelado no permafrost do Hemisfério Norte está em movimento, e estimamos quanto
Entre as partes do nosso planeta mudando mais rapidamente estão as paisagens mais frias próximas ao Polo Norte, logo ao sul do Ártico. Essa região está se aquecendo de duas a quatro vezes mais rápido do que a média global. O permafrost - o solo congelado sob essas florestas boreais e planícies sem árvores, ou "tundra" - está descongelando rapidamente. Isso é um problema, porque o permafrost contém enormes quantidades de carbono, mais do que o dobro do carbono já presente na atmosfera.
Emissões de metano estão atingindo novos picos no mundo, e complicam ainda mais cenário de emergência climática
As atividades humanas são responsáveis por dois terços de toda a liberação de metano para a atmosfera, e esforços internacionais para estancar o fluxo ainda não estão dando resultado A meta do Compromisso Global de Metano assinada por diversos países em 2021 é ousada: reduzir as emissões do gás em 30% até o final da década. Isso nos dará um tempo vital para trabalhar na redução das emissões de dióxido de carbono.
Methane emissions are at new highs. It could put us on a dangerous climate path
The goal of the 2021 Global Methane Pledge is bold: cut methane emissions by 30% by the end of the decade. This is to buy us vital time to work on cutting carbon dioxide emissions. Over 150 nations have now signed up to the pledge – representing more than half of the world’s emissions of an extremely potent but short-lived greenhouse gas. To put the pledge into action, many leaders announced policies to cut methane.
The efficacy and costing of termite (Blattodea: Termitoidae) survey methods in Australian tropical savannas
INTRODUCTION Termites are important ecosystem engineers in many ecosystems, especially in the tropical and warm-temperate zones (Bignell 2006; Jouquet et al. 2011). The ecosystem functions provided by termites include altering soil chemical and physical properties, which can improve water infiltration and availability (Dawes-Gromadzki 2005; Mando, Stroosnijder, & Brussaard 1996), as well as contributing to nutrient and carbon cycling (Cheesman, Cernusak, & Zanne 2018; Griffiths et al.
Finding common ground: Understanding and engaging with science mistrust in the Great barrier reef region
Loading metrics Open Access Peer-reviewed Research Article Citation: Curnock MI, Nembhard D, Smith R, Sambrook K, Hobman EV, Mankad A, et al. (2024) Finding common ground: Understanding and engaging with science mistrust in the Great barrier reef region. PLoS ONE 19(8): e0308252.
The evolution of exceptional diversity in parental care and fertilization modes in ray-finned fishes
Among vertebrates, ray-finned fishes (Actinopterygii) display the highest diversity in parental care, and their diversification has been hypothesized to be related to phylogenetic changes in fertilization modes. Using the most comprehensive, sex-specific data from 7600 species of 62 extant orders of ray-finned fishes, we inferred ancestral states and transitions among care types and caring episodes (i.e. the stage of offspring development). Our work has uncovered three novel findings.
Age validation of yellowfin and bigeye tuna using post-peak bomb radiocarbon dating confirms long lifespans in the western and central Pacific Ocean
Otolith age reading protocols for tuna species have evolved toward counting annual growth zone structure in thin-cut transverse otolith sections, a method that typically generates greater age estimates than other procedures (Farley et al. 2006, Gunn et al. 2008, Neilson and Campana 2008, Griffiths et al. 2010, Farley et al. 2013, Williams et al. 2013, Ishihara et al. 2017). For example, daily increment counting in otoliths of yellowfin (YFT) and bigeye (BET) tuna (Thunnus albacares and T.
Sweden has vast ‘old growth’ forests - but they are being chopped down faster than the Amazon
Most of Europe’s natural ecosystems have been lost over the centuries. However, a sizeable amount of natural old forest still exists, especially in the north. These “old-growth” forests are exceptionally valuable as they tend to host more species, store more carbon, and are more resilient to environmental change. Many of these forests are found in Sweden, part of the belt of boreal forests that circle the world through Canada, Scandinavia and Russia.
Life at the borderlands: microbiomes of interfaces critical to One Health
Microbiomes are foundational components of the environment that provide essential services relating to food security, carbon sequestration, human health, and the overall well-being of ecosystems. Microbiota exert their effects primarily through complex interactions at interfaces with their plant, animal, and human hosts, as well as within the soil environment.
AERA-MIP: Emission pathways, remaining budgets and carbon cycle dynamics compatible with 1.5 ºC and 2 ºC global warming stabilization
Preprints Preprint egusphere-2024-488 Preprints https://doi.org/10.5194/egusphere-2024-488 © Author(s) 2024. This work is distributed under the Creative Commons Attribution 4.0 License. https://doi.org/10.5194/egusphere-2024-488 © Author(s) 2024. This work is distributed under the Creative Commons Attribution 4.0 License. 28 Feb 2024 | 28 Feb 2024 Status: this preprint is open for discussion.
Links between the three-dimensional movements of whale sharks (Rhincodon typus) and the bio-physical environment off a coral reef - Movement Ecology
The study was conducted at Point Cloates (22.7212° S, 113.6775° E) on Ningaloo Reef, Western Australia (Fig. 1A) between the 15th and 24th of May 2018. It involved a coordinated effort between researchers on a 34.9 m research vessel (RV Solander) and a team of snorkellers on a 8.4 m charter vessel (Osso Blu). A spotter plane was used to locate whale sharks at the surface and to guide the charter vessel towards the spotted sharks.
Linking climate stressors to ecological processes in ecosystem models, with a case study from the Gulf of Alaska
Climate stressors are impacting marine ecosystems and fisheries globally (Hollowed et al. 2013, Cooley et al. 2022). Increased temperature and low trophic level (LTL) productivity shifts are among the key impacts anticipated in marine ecosystems under climate change (Heneghan et al. 2021). Global models of climate projections such as Earth System Models (ESM) generally agree in predicting that future warming will correspond to a decrease in primary productivity at a global scale (Bopp et al.
Fossil CO₂ emissions hit record high yet again in 2023
Global emissions of fossil carbon dioxide (CO₂), in yet another year of growth, will increase by 1.1% in 2023. These emissions will hit a record 36.8 billion tonnes. That’s the finding of the Global Carbon Project’s 18th annual report card on the state of the global carbon budget, which we released today. Fossil CO₂ includes emissions from the combustion and use of fossil fuels (coal, oil and gas) and cement production.
Carbon removal is needed to achieve net zero but has its own climate risks
This article was originally published on The Conversation, an independent and nonprofit source of news, analysis and commentary from academic experts. Disclosure information is available on the original site.
Fossil CO₂ emissions hit record high yet again in 2023
Global emissions of fossil carbon dioxide (CO₂), in yet another year of growth, will increase by 1.1% in 2023. These emissions will hit a record 36.8 billion tonnes. That’s the finding of the Global Carbon Project’s 18th annual report card on the state of the global carbon budget, which we released today. Fossil CO₂ includes emissions from the combustion and use of fossil fuels (coal, oil and gas) and cement production.
Modelling perspective on the climate footprint in south east Australian marine waters and its fisheries
Climate change has had a significant impact on distribution and abundance of 81% of marine species globally (Poloczanska et al. 2014). It affects primary productivity and alters marine habitats through changes in ocean circulation, stratification, and oxygen concentration (Manabe et al. 1993, Keeling et al. 2010, Bopp et al. 2013).
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