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No need for meat as most customers do not leave canteens on Veggie Days 不需要肉类，因为大多数顾客在素食日不会离开食堂
npj Climate Action Pub Date : 2024-09-18 DOI: 10.1038/s44168-024-00162-w
Christine Merk, Leonie P. Meissner, Amelie Griesoph, Stefan Hoffmann, Ulrich Schmidt, Katrin Rehdanz
{"title":"No need for meat as most customers do not leave canteens on Veggie Days","authors":"Christine Merk, Leonie P. Meissner, Amelie Griesoph, Stefan Hoffmann, Ulrich Schmidt, Katrin Rehdanz","doi":"10.1038/s44168-024-00162-w","DOIUrl":"10.1038/s44168-024-00162-w","url":null,"abstract":"Switching to a diet lower in red meat has the potential to reduce greenhouse gas emissions. Using a unique time series of daily sales data from three German university canteens from 2017 to 2019, we analyse the effects of a monthly Veggie Day in a food-away-from-home context. We find that the temporary ban on meat dishes did not lead to a widespread boycott – as the heated public debates might have suggested. In our setting, a Veggie Day could reduce greenhouse gas emissions by up to 66%. However, especially at the site with a higher share of meat eaters on regular days, up to 22% of customers bypassed the meat-free main dishes on Veggie Days and ate at other on-site alternatives where meat was available. However, total on-site sales did not decrease significantly. Students were less likely to switch to alternatives than staff and guests. A less stringent implementation of a Veggie Day where only beef dishes were removed from the menu, did not result in a significant shift to alternatives but could reduce emissions by up to 51%.","PeriodicalId":186004,"journal":{"name":"npj Climate Action","volume":" ","pages":"1-7"},"PeriodicalIF":0.0,"publicationDate":"2024-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s44168-024-00162-w.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142320935","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Belief in divine (versus human) control of earth affects perceived threat of climate change 对神（而非人类）控制地球的信念影响对气候变化威胁的感知
npj Climate Action Pub Date : 2024-09-14 DOI: 10.1038/s44168-024-00163-9
John V. Kane, Samuel L. Perry
{"title":"Belief in divine (versus human) control of earth affects perceived threat of climate change","authors":"John V. Kane, Samuel L. Perry","doi":"10.1038/s44168-024-00163-9","DOIUrl":"10.1038/s44168-024-00163-9","url":null,"abstract":"Religious characteristics are predictive of Americans’ skepticism toward climate-related science and policy. Though attributable to a variety of interrelated factors, we propose specific religious beliefs help explain the dynamic in part. Specifically, we theorize that belief in divine (versus human) control over Earth’s climate likely engenders skepticism toward scientific claims that human behavior is leading Earth toward environmental crisis. Regression analyses with national survey data (N = 5321) demonstrate that believing “God would not allow humans to destroy the Earth” is associated with lower concern about climate change. Next, a pre-registered survey experiment (N = 3345) finds that manipulating belief in God’s—vis-à-vis humans’—control of Earth’s climate reduced the perceived severity of climate change and need for policy intervention. Our manipulation also reduced demand for climate-related information from the National Oceanic and Atmospheric Association. These results establish an important causal link between a religious belief and climate change attitudes in the U.S. public.","PeriodicalId":186004,"journal":{"name":"npj Climate Action","volume":" ","pages":"1-9"},"PeriodicalIF":0.0,"publicationDate":"2024-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s44168-024-00163-9.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142231139","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Between two worlds the scientist’s dilemma in climate activism 在两个世界之间，科学家在气候行动主义中的两难选择
npj Climate Action Pub Date : 2024-09-12 DOI: 10.1038/s44168-024-00161-x
Samuel Finnerty, Jared Piazza, Mark Levine
{"title":"Between two worlds the scientist’s dilemma in climate activism","authors":"Samuel Finnerty, Jared Piazza, Mark Levine","doi":"10.1038/s44168-024-00161-x","DOIUrl":"10.1038/s44168-024-00161-x","url":null,"abstract":"Environmental activism presents an ideological dilemma for environmentally concerned scientists, who must balance traditional scientific values of objectivity and impartiality with the urgency of the climate and ecological crisis. This paper presents a critical discursive analysis of interviews with 27 scientists from 11 countries. It details the linguistic repertoires scientists draw on and the subject positions adopted to manage this dilemma. We observed that scientists employ two strategies to reconcile their professional identities with their activism: redefining the scientist identity, and reframing the work that scientists do. The subject positions adopted broadly serve to legitimize action, such as arguing that activism as a scientist is objective and rational, or that being a scientist conveys a moral duty to advocate for scientific information. By analyzing how scientists negotiate conflicting identities and values, this research offers valuable insights into fostering informed decision-making and action in addressing urgent environmental challenges.","PeriodicalId":186004,"journal":{"name":"npj Climate Action","volume":" ","pages":"1-11"},"PeriodicalIF":0.0,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s44168-024-00161-x.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142174423","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Improving adaptation assessment in the IPCC 改进政府间气候变化专门委员会的适应评估
npj Climate Action Pub Date : 2024-09-11 DOI: 10.1038/s44168-024-00155-9
Johanna Nalau, Elisabeth Gilmore, Mark Howden
{"title":"Improving adaptation assessment in the IPCC","authors":"Johanna Nalau, Elisabeth Gilmore, Mark Howden","doi":"10.1038/s44168-024-00155-9","DOIUrl":"10.1038/s44168-024-00155-9","url":null,"abstract":"Assessing adaptation is one of the critical roles of the Intergovernmental Panel on Climate Change (IPCC). In this Perspective, we focus on the what and the how that can guide this assessment for AR7: what knowledge is and should be assessed and how it is assessed. We then propose several opportunities for improvement, including accelerating adaptation assessment method innovation, increasing linkages between IPCC efforts and UNFCCC dialogues, and how author and data diversity can support a more decision- and policy-relevant assessment.","PeriodicalId":186004,"journal":{"name":"npj Climate Action","volume":" ","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s44168-024-00155-9.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142174402","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Global climate governance inequality unveiled through dynamic influence assessment 通过动态影响评估揭示全球气候治理的不平等
npj Climate Action Pub Date : 2024-09-09 DOI: 10.1038/s44168-024-00159-5
Di Wang, Yuzhu Fang
{"title":"Global climate governance inequality unveiled through dynamic influence assessment","authors":"Di Wang, Yuzhu Fang","doi":"10.1038/s44168-024-00159-5","DOIUrl":"10.1038/s44168-024-00159-5","url":null,"abstract":"This study defines the concept of major and minor countries and establishes a multidimensional and dynamic assessment system to evaluate the influence of countries participating in global climate governance. We systematically calculate 45 indicators for 53 countries across 9 global climate negotiation interest groups over the seven years. Our findings indicate a significant difference in influence between major and minor countries. This gap is particularly significant regarding losses incurred from climate disasters, with a more than fourfold difference between the top 25% and the bottom 25% in the influence rankings. The influence-climate disaster Index Gini coefficient further indicates that climate governance is characterized by extreme inequality. We argue that this phenomenon arises because those with more decisive influence in global climate governance do not bear losses from climate disasters commensurate with their influence. Therefore, their willingness to participate in climate governance is lower than those who suffer greater consequences.","PeriodicalId":186004,"journal":{"name":"npj Climate Action","volume":" ","pages":"1-16"},"PeriodicalIF":0.0,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s44168-024-00159-5.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142160266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Public support for carbon pricing policies and revenue recycling options: a systematic review and meta-analysis of the survey literature 公众对碳定价政策和收入回收方案的支持：对调查文献的系统回顾和荟萃分析
npj Climate Action Pub Date : 2024-09-07 DOI: 10.1038/s44168-024-00153-x
Farah Mohammadzadeh Valencia, Cornelia Mohren, Anjali Ramakrishnan, Marlene Merchert, Jan C. Minx, Jan Christoph Steckel
{"title":"Public support for carbon pricing policies and revenue recycling options: a systematic review and meta-analysis of the survey literature","authors":"Farah Mohammadzadeh Valencia, Cornelia Mohren, Anjali Ramakrishnan, Marlene Merchert, Jan C. Minx, Jan Christoph Steckel","doi":"10.1038/s44168-024-00153-x","DOIUrl":"10.1038/s44168-024-00153-x","url":null,"abstract":"Since public support is critical for implementing carbon pricing policies, we conduct a systematic review and meta-analysis to examine the survey-based literature on change in public support for direct and indirect carbon pricing policies with and without revenue recycling options. Following a comprehensive and transparent machine-learning assisted screening of the literature, our dataset comprises 35 studies containing 70 surveys across 26 countries with over 100,000 respondents. We find that the introduction of any type of revenue recycling option increases public support for carbon pricing. Results from our meta-regression indicate that green spending (i.e. using revenues for climate-friendly projects) is the only revenue recycling option associated with a statistically significant increase in public support. Our findings moreover suggest that the effects may depend on which region the survey was carried out, highlighting the need for additional research in countries in the regions of Africa and Latin America and the Caribbean.","PeriodicalId":186004,"journal":{"name":"npj Climate Action","volume":" ","pages":"1-10"},"PeriodicalIF":0.0,"publicationDate":"2024-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s44168-024-00153-x.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142152371","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Leveraging the link between pro-environmental behaviour and well-being to encourage sustainable lifestyle shifts 利用亲环境行为与福祉之间的联系，鼓励可持续生活方式的转变
npj Climate Action Pub Date : 2024-09-03 DOI: 10.1038/s44168-024-00154-w
Michael M. Prinzing, Kate Laffan
{"title":"Leveraging the link between pro-environmental behaviour and well-being to encourage sustainable lifestyle shifts","authors":"Michael M. Prinzing, Kate Laffan","doi":"10.1038/s44168-024-00154-w","DOIUrl":"10.1038/s44168-024-00154-w","url":null,"abstract":"Four studies investigated whether awareness of links between pro-environmental behaviour (PEB) and well-being can motivate sustainable lifestyle shifts. We find that most US adults believe most PEBs do not affect well-being. Yet, when people do expect such benefits, they tend to have more positive attitudes and intentions regarding PEBs and enact more PEBs. We also find that messages about how PEB can increase well-being consistently improved attitudes towards PEBs and made people more persuasive in their subsequent efforts to encourage others to live sustainably. These effects were especially pronounced among people who did not previously believe that PEB improves well-being. Effects on PEB intentions were inconsistent, however, and we found no effect on a revealed measure of PEB (i.e., seeking sustainability tips). Overall, these results underscore the importance of beliefs about PEBs’ impact on well-being and suggest that public messaging about that relationship might help motivate sustainable lifestyles.","PeriodicalId":186004,"journal":{"name":"npj Climate Action","volume":" ","pages":"1-8"},"PeriodicalIF":0.0,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s44168-024-00154-w.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142130459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Linking the treadmills of production and destruction to disproportionate carbon emissions 将生产和破坏的跑步机与不成比例的碳排放联系起来
npj Climate Action Pub Date : 2024-08-22 DOI: 10.1038/s44168-024-00156-8
Chad L. Smith, Gregory Hooks, Michael Lengefeld
{"title":"Linking the treadmills of production and destruction to disproportionate carbon emissions","authors":"Chad L. Smith, Gregory Hooks, Michael Lengefeld","doi":"10.1038/s44168-024-00156-8","DOIUrl":"10.1038/s44168-024-00156-8","url":null,"abstract":"Our case-oriented analysis of the drivers of climate change highlights the barriers and pathways to climate action. We employ Qualitative Comparative Analysis (QCA), specifically fuzzy set Qualitative Comparative Analysis (fsQCA), to trace the ways in which combinations of climate change drivers helps us develop a better understanding of climate change, with a special emphasis on nation-states making a disproportionate contribution to this problem. World Bank data is used to analyze 179 countries allowing us to explore how population, gross domestic product per capita (Treadmill of Production), and military spending as a percentage of GDP (Treadmill of Destruction) provide different recipes for understanding two climate change outcomes as they relate to UN Sustainable Development Goals (particularly SDGs 10 and 13). Our analysis yields new insights, illuminating two distinct recipes, thereby indicating that a focus on mechanisms provides new ways of understanding social processes and their connection to carbon emissions.","PeriodicalId":186004,"journal":{"name":"npj Climate Action","volume":" ","pages":"1-11"},"PeriodicalIF":0.0,"publicationDate":"2024-08-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s44168-024-00156-8.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142041765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Underestimating demographic uncertainties in the synthesis process of the IPCC 在政府间气候变化专门委员会的综合过程中低估人口的不确定性
npj Climate Action Pub Date : 2024-08-17 DOI: 10.1038/s44168-024-00152-y
Sara Giarola, Leonardo Chiani, Laurent Drouet, Giacomo Marangoni, Francesco Nappo, Raya Muttarak, Massimo Tavoni
{"title":"Underestimating demographic uncertainties in the synthesis process of the IPCC","authors":"Sara Giarola, Leonardo Chiani, Laurent Drouet, Giacomo Marangoni, Francesco Nappo, Raya Muttarak, Massimo Tavoni","doi":"10.1038/s44168-024-00152-y","DOIUrl":"10.1038/s44168-024-00152-y","url":null,"abstract":"In this work, we systematically analyse the population projections used in the emissions scenario ensembles reviewed by the Working Group III in the latest three reports of the Intergovernmental Panel on Climate Change (IPCC). We show that emissions scenarios span smaller demographic uncertainties than alternative estimates both for the world and for critical regions, such as South-East Asia, Sub-Saharan Africa, and China. Furthermore, the range of demographic projections has consistently shrunk over subsequent reports, exposing a problematic convergence towards a single socio-economic pathway: the “middle path” or SSP2. We argue that the undersampling of population uncertainties limits the range of future emission trajectories and has implications for climate transition scenarios. Emissions scenarios with a wider set of assumptions about future population should be submitted to the IPCC. The methods utilised in this study inform the development of independent audit methods for the assessment of relevant uncertainty sources in IPCC databases.","PeriodicalId":186004,"journal":{"name":"npj Climate Action","volume":" ","pages":"1-20"},"PeriodicalIF":0.0,"publicationDate":"2024-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s44168-024-00152-y.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141998696","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dedicated climate ministries help to reduce carbon emissions 专门的气候部委有助于减少碳排放
npj Climate Action Pub Date : 2024-08-16 DOI: 10.1038/s44168-024-00147-9
Julian Limberg, Yves Steinebach, Jacob Nyrup
{"title":"Dedicated climate ministries help to reduce carbon emissions","authors":"Julian Limberg, Yves Steinebach, Jacob Nyrup","doi":"10.1038/s44168-024-00147-9","DOIUrl":"10.1038/s44168-024-00147-9","url":null,"abstract":"Several countries have introduced dedicated national climate ministries in the last two decades. However, we know little about the consequences of these ministries. We demonstrate that the introduction of climate ministries helps to reduce carbon emissions. A difference-in-differences analysis of a global sample of countries reveals robust and statistically significant evidence that introducing a dedicated climate ministry lowers carbon emissions substantially. At the same time, establishing such climate ministries does not significantly influence the introduction of new climate policies. This indicates that climate ministries primarily amplify climate action by improving the effectiveness of the governmental measures taken rather than by increasing the number of climate policies themselves.","PeriodicalId":186004,"journal":{"name":"npj Climate Action","volume":" ","pages":"1-8"},"PeriodicalIF":0.0,"publicationDate":"2024-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.nature.com/articles/s44168-024-00147-9.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141994337","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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