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| 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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Article
| 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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Article
| 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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| 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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Article
| 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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Article
| 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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Article
| 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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Article
| 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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Article
| 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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Article
| 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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Article
| 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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Article
| 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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Article
| 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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Article
| 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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Article
| 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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| 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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| 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
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Article
| Open AccessEcological forecasts for marine resource management during climate extremes
Forecasting ecology can support proactive decision-making in the face of uncertain environmental conditions. Using case studies on whale entanglement and sea turtle bycatch, this study showcases the capacity for existing management tools to transition to a forecast configuration and provide skilful forecasts up to 12 months in advance.
- Stephanie Brodie
- , Mercedes Pozo Buil
- & Michael G. Jacox
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Article
| Open AccessCollaborative and privacy-preserving retired battery sorting for profitable direct recycling via federated machine learning
Unsorted retired batteries pose recycling challenges due to diverse cathodes. Here, the authors propose a privacy-preserving machine learning system that enables accurate sorting with minimal data, important for a sustainable battery recycling industry.
- Shengyu Tao
- , Haizhou Liu
- & Hongbin Sun
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Article
| Open AccessMicroplastic burden in marine benthic invertebrates depends on species traits and feeding ecology within biogeographical provinces
Microplastic uptake by animals is often assumed to reflect the level of contamination in the environment. Here, the authors compile a global inventory of individual microplastic body burden in benthic marine invertebrates and find that feeding mode and geographic location are more important predictors than environmental microplastic loading.
- Adam Porter
- , Jasmin A. Godbold
- & Tamara S. Galloway
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Article
| Open AccessExploring interactions between socioeconomic context and natural hazards on human population displacement
Ronco and colleagues analyze disaster-induced movements in the presence of floods, storms, and landslides during 2016–2021, providing empirical evidence that differential vulnerability exists and quantifying its extent. They achieve this by employing explainable machine learning techniques to model and understand internal displacement flows and patterns from observational data.
- Michele Ronco
- , José María Tárraga
- & Gustau Camps-Valls
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Article
| Open AccessSynthesizing evidence for the external cycling of NOx in high- to low-NOx atmospheres
External cycling regenerates nitrogen oxides from the NOx oxidative reservoir, NOz. Aircraft observations reveal NOx external cycling compensates for NOx aging, sustaining NOx distribution and production of OH radicals far from NOx emission sources
- Chunxiang Ye
- , Xianliang Zhou
- & Shaojie Song
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Article
| Open AccessMarine toxin domoic acid alters nitrogen cycling in sediments
Domoic acid, a red tide algal toxin, enhances nitrification, dissimilates nitrate reduction to ammonification in sediments, while concurrently inhibiting denitrification, anammox, and nitrogen fixation.
- Zelong Li
- , Jing Wang
- & Jingfeng Fan
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Article
| Open AccessWarming-induced vapor pressure deficit suppression of vegetation growth diminished in northern peatlands
Growing vapor pressure deficit inhibits vegetation growth. Here, Chen et al. combine satellite and eddy covariance data with field experiments showing that plant growth in northern peatlands is not constrained by water even in the presence of a warming-induced water pressure deficit.
- Ning Chen
- , Yifei Zhang
- & Xianwei Wang
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Article
| Open AccessRisk to rely on soil carbon sequestration to offset global ruminant emissions
While accounting for intrinsic differences between short- and long-lived greenhouse gases, solely relying on soil carbon sequestration in grasslands to offset warming effect of emissions from current ruminant systems is not feasible
- Yue Wang
- , Imke J. M. de Boer
- & Corina E. van Middelaar
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Article
| Open AccessSurrounding greenness is associated with lower risk and burden of low birth weight in Iran
Quantifying well-being effects of greenness is of great importance for achieving the Global Nutrition Targets 2025 for low birth weight. Here, the authors show underlying health benefits of improved green space in lowering low birth weight risk and burden in Iran.
- Siqi Luo
- , Yaqi Wang
- & Yunquan Zhang
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Article
| Open AccessExperimental mining plumes and ocean warming trigger stress in a deep pelagic jellyfish
The deep ocean is increasingly subjected to human-induced environmental change, but little is known about species-specific responses to stressors, including those from deep sea mining. This study shows that elevated temperatures and simulated sediment plumes cause physiological stress in a cosmopolitan deep-sea jellyfish, confirming the detrimental impact of seabed mining.
- Vanessa I. Stenvers
- , Helena Hauss
- & Henk-Jan T. Hoving
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Article
| Open AccessEconomic valuation of temperature-related mortality attributed to urban heat islands in European cities
Urban heat islands have the greatest acute impacts on human mortality risk during extreme heat. However, protracted cold seasons result in greater annually integrated protective effects in most European cities under the current climate.
- Wan Ting Katty Huang
- , Pierre Masselot
- & Gabriele Manoli
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| Open AccessA fish cartel for Africa
Englander and Costello note that African coastal waters are among the world’s most biologically rich, but African countries earn much less than their peers from selling access to foreign fishers. They find forming a “fish cartel" would increase African fish biomass by 16% and profits by 23%.
- Gabriel Englander
- & Christopher Costello