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| Open AccessAbsolute dating of the European Neolithic using the 5259 BC rapid 14C excursion
The Neolithic site of Dispilio, Northern Greece, is a pile-dwelling site with 900+ piles excavated. Here, the authors use the 5259 BC Miyake event to date the juniper tree-ring chronology constructed from these piles to 5140 BC, making it the first Neolithic site in the region to be absolutely calendar dated.
- Andrej Maczkowski
- , Charlotte Pearson
- & Albert Hafner
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Article
| Open AccessStratospheric influence on surface ozone pollution in China
The authors analyze the frequency, duration and intensity of stratospheric intrusions to the surface in China over 2015-2022 and find that such intrusions enhance surface ozone pollution, especially in spring and autumn, followed by summer.
- Zhixiong Chen
- , Jane Liu
- & Zhou Zang
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| Open AccessAutomatic detection of methane emissions in multispectral satellite imagery using a vision transformer
Accurate monitoring of methane emissions is essential to understand its contribution to global warming. The authors here employ multi-spectral satellite data to create a methane detection tool with global coverage and high temporal and spatial resolution.
- Bertrand Rouet-Leduc
- & Claudia Hulbert
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| Open AccessUrban development pattern’s influence on extreme rainfall occurrences
Cities that experience compact development tend to witness more extreme rainfall over downtown than their rural surroundings, while the anomalies in extreme rainfall frequency diminish for cities with dispersed development patterns.
- Long Yang
- , Yixin Yang
- & Dev Niyogi
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Article
| Open AccessA unifying modelling of multiple land degradation pathways in Europe
This study presents an unprecedented analysis of agricultural land multi-degradation in 40 European countries, using twelve dataset-based processes that were modelled as land degradation convergence and combination pathways across the continent.
- Remus Prăvălie
- , Pasquale Borrelli
- & Marius-Victor Birsan
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| Open AccessTracing fossil-based plastics, chemicals and fertilizers production in China
Plastics, chemical production, and fertilizers commonly rely on fossil fuels. Here the authors examine these uses in China and find that in 2017, 5%, 15%, and 7% of China’s total coal, crude oil, and natural gas were used as feedstocks in the chemical industry.
- Meng Jiang
- , Yuheng Cao
- & Bing Zhu
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| Open AccessEffects of emissions caps on the costs and feasibility of low-carbon hydrogen in the European ammonia industry
Decarbonizing the European ammonia industry: Less stringent emissions caps for electrolytic hydrogen production can significantly reduce costs and land use while still achieving more than 90% reduction in emissions relative to fossil-based hydrogen.
- Stefano Mingolla
- , Paolo Gabrielli
- & Zhongming Lu
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Article
| Open AccessThe environmental sustainability of digital content consumption
The average Internet user spends over 40% of their waking hours online, yet the environmental footprint remains poorly understood. This study suggests that digital content consumption could exacerbate the pressure on the finite Earth’s carrying capacity.
- Robert Istrate
- , Victor Tulus
- & Gonzalo Guillén-Gosálbez
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| Open AccessTiming the evolution of phosphorus-cycling enzymes through geological time using phylogenomics
Phosphorus is an essential nutrient which may have influenced Earth’s early biosphere. This study interrogates genomic records, finding potentially phosphate depleted conditions toward the end of the Archean when enzymes for scavenging reduced phosphorus compounds spread throughout the tree of life.
- Joanne S. Boden
- , Juntao Zhong
- & Eva E. Stüeken
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Article
| Open AccessBiocomposite thermoplastic polyurethanes containing evolved bacterial spores as living fillers to facilitate polymer disintegration
Plastic pollution severely threatens the resilience of nature. Here, the authors utilize the spore-forming, polymer-degrading bacteria, Bacillus subtilis, as a living filler to develop biocomposite thermoplastic polyurethane with improved mechanical properties and biodegradation.
- Han Sol Kim
- , Myung Hyun Noh
- & Jonathan K. Pokorski
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| Open AccessLand conversion to agriculture induces taxonomic homogenization of soil microbial communities globally
Agricultural land-use change affects belowground biodiversity. Here, the authors compare soil microbial communities from natural ecosystems and agricultural systems, finding that agricultural conversion leads to taxonomic and functional homogenisation.
- Ziheng Peng
- , Xun Qian
- & Shuo Jiao
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| Open AccessSustained increase in suspended sediments near global river deltas over the past two decades
River sediments play a critical role in sustaining coastal ecosystems. This study examines patterns of coastal suspended sediment concentration (SSC) for 349 deltas worldwide via satellite images and investigated the possible driving factors.
- Xuejiao Hou
- , Danghan Xie
- & Jaap H. Nienhuis
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Article
| Open AccessContinuous and low-carbon production of biomass flash graphene
It is challenging to produce biomass FG continuously due to the lack of an integrated device. Here, we create an integrated automatic system with energy requirement-oriented allocation to achieve continuous biomass FG production with a much lower carbon footprint.
- Xiangdong Zhu
- , Litao Lin
- & Yong-Guan Zhu
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| Open AccessGlobal energy use and carbon emissions from irrigated agriculture
The global energy and carbon footprint of irrigation remain uncertain. Here, the authors show that energy consumption and carbon emissions from irrigation are primarily driven by groundwater pumping and are significant in major agricultural nations.”
- Jingxiu Qin
- , Weili Duan
- & Lorenzo Rosa
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| Open AccessMeta-analysis indicates better climate adaptation and mitigation performance of hybrid engineering-natural coastal defence measures
This meta-analysis compares the performance of hard, hybrid, soft and natural coastal defence measures. Results show that all measures have a positive economic return over 20 years yet hybrid measures perform best for climate adaptation and mitigation.
- Lam Thi Mai Huynh
- , Jie Su
- & Alexandros Gasparatos
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Article
| Open AccessThe effect of a political crisis on performance of community forests and protected areas in Madagascar
The effectiveness of community-based land protection compared to traditional top-down protection is debated. Here, the authors show that both community-managed forests and traditional protected areas in Madagascar experienced deforestation during a political crisis but the former were especially vulnerable in the post-crisis period.
- Rachel A. Neugarten
- , Ranaivo A. Rasolofoson
- & Amanda D. Rodewald
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| Open AccessSubstantially reducing global PM2.5-related deaths under SDG3.9 requires better air pollution control and healthcare
Reducing PM2.5 air pollution from biomass burning, transport, energy, and manufacturing, in combination with improvements in healthcare, especially in emerging economies like India and China, will be crucial to meeting SDG3.9
- Huanbi Yue
- , Chunyang He
- & Brett A. Bryan
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| Open AccessAccounting for albedo change to identify climate-positive tree cover restoration
Restoring tree cover is a prominent climate solution but can cause global warming due to changes in albedo. This paper maps albedo and carbon changes from restoring tree cover to highlight where the greatest net climate benefits can be achieved.
- Natalia Hasler
- , Christopher A. Williams
- & Susan C. Cook-Patton
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| Open AccessField-scale crop water consumption estimates reveal potential water savings in California agriculture
This study introduces a novel framework for generating high-resolution, in-situ estimates of agricultural evapotranspiration (ET) using satellite-based ET data combined with machine learning. This approach is leveraged to assess the water-saving potential of various management strategies and in calculating irrigation efficiency across California’s Central Valley.
- Anna Boser
- , Kelly Caylor
- & Tamma Carleton
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| Open AccessThe potential of urban irrigation for counteracting carbon-climate feedback
This study shows that urban irrigation is capable of achieving the environmental co-benefit of heat mitigation and carbon neutrality and has the potential to counteract the climate–carbon feedback loop in the U.S. urban environment.
- Peiyuan Li
- , Zhi-Hua Wang
- & Chenghao Wang
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Article
| Open AccessTrade-offs in land-based carbon removal measures under 1.5 °C and 2 °C futures
This study demonstrates how land-based carbon removals and the market-mediated responses are sensitive to mitigation policy strength and scope, illustrating that, despite trade-offs, both forestation and BECCS are integral to cost-effective 2 °C pathways.
- Xin Zhao
- , Bryan K. Mignone
- & Haewon C. McJeon
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| Open AccessCost-effectiveness uncertainty may bias the decision of coal power transitions in China
China’s use of coal is complex to establish a clean and low-carbon transition for the country. With an uncertainty assessment framework, this study displays the risks of missing opportunities in obtaining cumulative positive net benefits and identifying an optimal transition strategy.
- Xizhe Yan
- , Dan Tong
- & Yu Lei
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| Open AccessPopulation exposure to multiple air pollutants and its compound episodes in Europe
European population exposure to most air pollutants has been reduced significantly, however for PM2.5 and O3, single pollutant and compound events remain a threat, particularly in Southern and Eastern Europe
- Zhao-Yue Chen
- , Hervé Petetin
- & Joan Ballester
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| Open AccessPlastic pollution amplified by a warming climate
Climate change and plastic pollution are interconnected global challenges. Rising temperatures and moisture alter plastic characteristics, contributing to waste, microplastic generation, and release of hazardous substances. Urgent attention is essential to comprehend and address these climate-driven effects and their consequences.
- Xin-Feng Wei
- , Wei Yang
- & Mikael S. Hedenqvist
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| Open AccessSustained growth of sulfur hexafluoride emissions in China inferred from atmospheric observations
Atmospheric measurements show that China’s emissions of the potent greenhouse gas, sulfur hexafluoride, grew rapidly between 2011 and 2021. This rise could offset some of China’s progress towards its greenhouse gas emission reduction goal.
- Minde An
- , Ronald G. Prinn
- & Matthew Rigby
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| Open AccessImpact of population aging on future temperature-related mortality at different global warming levels
This study reveals that population aging intensifies heat- and cold-related deaths, more so than climate change, in 50 countries. At 1.53 °C global warming, aging contributes to rising heat-related deaths, offsetting declines in cold related death.
- Kai Chen
- , Evan de Schrijver
- & Ana M. Vicedo-Cabrera
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Article
| Open AccessChemoenzymatic indican for light-driven denim dyeing
Conventional blue denim dyeing has both environmental and health-related consequences. Here, Bidart et al. use enzyme engineering to develop a viable method for the bulk production of indican and demonstrate dying processes which could significantly reduce the negative consequences of this billion-dollar industry.
- Gonzalo Nahuel Bidart
- , David Teze
- & Ditte Hededam Welner
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Article
| Open AccessHerbicide leakage into seawater impacts primary productivity and zooplankton globally
Herbicides used in terrestrial environments pollute coastal ecosystems. Here, the authors analyse the presence of 32 herbicides at 661 bays and gulfs worldwide from 1990 to 2022, showing how under current herbicide stress, phytoplankton primary productivity was inhibited by more than 5% at 25%.
- Liqiang Yang
- , Xiaotong He
- & Yongyu Zhang
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Article
| Open AccessCCl4 emissions in eastern China during 2021–2022 and exploration of potential new sources
The Montreal Protocol globally phased out ozone-layer depleting CCl4 by 2010. However, atmospheric measurements show eastern China emitted ~7.6 gigagrams/year in 2021–2022. Further, industrial sources of ongoing CCL4 emissions are identified.
- Bowei Li
- , Jiahuan Huang
- & Xuekun Fang
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Article
| Open AccessPhotocured room temperature phosphorescent materials from lignosulfonate
It is elusive to manufacture room temperature phosphorescent (RTP) materials through effective and ambient processing approaches. Here the authors report the production of photocured RTP materials using lignosulfonate to act as RTP chromophore and photoinitiator, achieving easy preparation, low cost and good performance.
- Hongda Guo
- , Mengnan Cao
- & Zhijun Chen
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| Open AccessLong-term exposure to ambient PM2.5, particulate constituents and hospital admissions from non-respiratory infection
The study evaluated the impact of PM2.5 and its constituents on hospital admissions from non-respiratory infection. Here, the authors showed that nonrespiratory infections are an under-appreciated health effect of PM2.5 while Sulfates contributed the largest weights in the observed associations
- Yijing Feng
- , Edgar Castro
- & Joel Schwartz
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| Open AccessReal-world time-travel experiment shows ecosystem collapse due to anthropogenic climate change
Over 13 years, coastal Louisiana’s wetlands have been endangered by a sea-level rise rate comparable to what is expected later this century. While the rate may not persist over the next few decades, this natural experiment indicates a 75% drowning of these wetlands by 2070 under current carbon emissions.
- Guandong Li
- , Torbjörn E. Törnqvist
- & Sönke Dangendorf
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| Open AccessHuman-triggered magnification of erosion rates in European Alps since the Bronze Age
Using a lake sediment core taken from the European Alps and combining a source-sink approach with isotope geochemistry, it has been established that the effects of human activities have outweighed those of climate on erosion for more than 3800 years.
- William Rapuc
- , Charline Giguet-Covex
- & Fabien Arnaud
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| Open AccessA triple increase in global river basins with water scarcity due to future pollution
Here the authors find one third of global sub-basins will face severe clean water scarcity in 2050. Nitrogen pollution aggravates water scarcity in >2,000 sub-basins thus 3 billion more people will be posed with severe water scarcity in 2050.
- Mengru Wang
- , Benjamin Leon Bodirsky
- & Maryna Strokal
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| Open AccessAvoiding ecosystem and social impacts of hydropower, wind, and solar in Southern Africa’s low-carbon electricity system
Avoiding the most damaging land use and freshwater impacts of solar PV, wind, and hydropower development while halving carbon emissions by 2040 in the Southern Africa region is not only possible but incurs only modest (3-6%) system cost increases.
- Grace C. Wu
- , Ranjit Deshmukh
- & Kudakwashe Ndhlukula
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Article
| Open AccessNominally identical microplastic models differ greatly in their particle-cell interactions
Microplastics research is often based on commercial model particles. Here, the authors show that nominally identical particles may differ significantly in their properties and thus in their interactions with cells.
- Simon Wieland
- , Anja F. R. M. Ramsperger
- & Holger Kress
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| Open AccessSustainable biomimetic solar distillation with edge crystallization for passive salt collection and zero brine discharge
Conventional desalination processes generate clean water and reject brine to sea, which is harmful to the aquatic life. Here, the authors propose a low- cost scalable and foldable mangrove-mimetic device for solar thermal distillation and passive salt collection without brine discharge.
- Mohamed A. Abdelsalam
- , Muhammad Sajjad
- & TieJun Zhang
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| Open AccessGreenhouse gas emissions from US irrigation pumping and implications for climate-smart irrigation policy
This study demonstrates the energy use of US pump irrigation produced 12.6 million tonnes CO2e in 2018, with spatial variability modulated by water source and fuel choice. These county-level estimates can inform strategic irrigation expansion and emissions reduction efforts.
- Avery W. Driscoll
- , Richard T. Conant
- & Nathaniel D. Mueller
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| Open AccessScattered tree death contributes to substantial forest loss in California
Tree mortality due to climate change and other disturbances is on the rise. Here, the authors use high-resolution remote sensing data, ground observations and deep learning to quantify individual dead trees and potential drivers across California in the year 2020, encompassing 91.4 million dead trees.
- Yan Cheng
- , Stefan Oehmcke
- & Stéphanie Horion
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| Open AccessAn environmental justice analysis of air pollution emissions in the United States from 1970 to 2010
Here the authors find socioeconomic and racial/ethnic disparities in county-level air pollution emissions reductions in the 40 years following the Clean Air Act (1970-2010) in the USA, particularly in emissions from energy generation and industry.
- Yanelli Nunez
- , Jaime Benavides
- & Marianthi-Anna Kioumourtzoglou
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| Open AccessAn artificial intelligence-based model for optimal conjunctive operation of surface and groundwater resources
Towards optimizing the conjunctive operation of surface and groundwater resources in arid and semi-arid regions, here the authors propose a hybrid method involving moth-swarm and symbiotic organism search algorithms and artificial neural networks and demonstrate it for the HalīlRood basin.
- Saeid Akbarifard
- , Mohamad Reza Madadi
- & Mohammad Zounemat-Kermani
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| Open AccessA global analysis of how human infrastructure squeezes sandy coasts
In a first global analysis, researchers find that sandy shores are severely squeezed between human infrastructure and the rising sea, as on average, the first road or building is currently situated at just 390 meters distance from the shoreline.
- Eva M. Lansu
- , Valérie C. Reijers
- & Tjisse van der Heide
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Article
| Open AccessDiversifying crop rotation increases food production, reduces net greenhouse gas emissions and improves soil health
Food production systems need to balance yield and sustainability. Here, the authors conduct 6 years long crop diversification field experiments in the North China Plain, showing that diversifying cereal monocultures with cash crops and legumes cand improve yield and reduce GHG emissions.
- Xiaolin Yang
- , Jinran Xiong
- & Klaus Butterbach-Bahl
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Article
| Open AccessWaste milk humification product can be used as a slow release nano-fertilizer
The growth in global milk demand has been accompanied by an increase in waste milk disposal. Here, the authors transform waste milk through humification and incorporate the product into attapulgite creating a nano-fertiliser that benefits for plants growing in pots.
- Yanping Zhu
- , Yuxuan Cao
- & Dongqing Cai
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Article
| Open AccessThe potential of emerging bio-based products to reduce environmental impacts
Zuiderveen and colleagues find that emerging bio-based products have on average 45% lower greenhouse gas life cycle emissions compared to their fossil counterparts, yet, there is a large variation between individual bio-based products with none of them reaching netzero emissions.
- Emma A. R. Zuiderveen
- , Koen J. J. Kuipers
- & Mark A. J. Huijbregts
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Article
| Open AccessMixed success for carbon payments and subsidies in support of forest restoration in the neotropics
Forest restoration in LMICs can contribute to global C mitigation targets. Here, the authors assess the economic feasibility of forest restoration methods in Panama, i.e. natural regeneration, native species plantings, and enrichment planting, showing that not all methods are economically viable.
- Katherine Sinacore
- , Edwin H. García
- & Jefferson S. Hall
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Article
| Open AccessFirst close insight into global daily gapless 1 km PM2.5 pollution, variability, and health impact
AI-driven daily 1-km gapless PM2.5 data reveal the dynamics of unhealthy air around the world, stark disparities exist between nations and among neighbourhoods. Drastic air quality changes are associated with implementation and lifting of lockdown policies.
- Jing Wei
- , Zhanqing Li
- & Tong Zhu
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Article
| Open AccessMetal toxin threat in wildland fires determined by geology and fire severity
Carcinogenic heavy metals are an underappreciated public health concern from wildfire. Fire severity, geology, and ecosystem type influence landscape-scale production of hexavalent chromium, concentrated in wind-dispersible particles.
- Alandra Marie Lopez
- , Juan Lezama Pacheco
- & Scott Fendorf
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| Open AccessLimitations to sustainable renewable jet fuels production attributed to cost than energy-water-food resource availability
This study introduce the Global Biojet Fuel Sustainability Index, a holistic 25-indicator sustainability index encompassing the four domains of energy-water-food nexus and governance, to measure the potential impact of RJF productions on 154 countries/territories through the oil-to-jet, alcohol-to-jet and gas-to-jet conversion methods.
- Cheng Tung Chong
- & Jo-Han Ng