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Bogotá’s ‘LGBTQI+ houses’ are transforming support for displaced LGBTQI+ Venezuelans
Pub Date : 2024-11-13 DOI: 10.1038/s44284-024-00176-9
Tyler Valiquette
Urban LGBTQI+ inclusive houses in Bogotá offer a transformative model of care and community building for queer migrants, writes Tyler Valiquette.
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引用次数: 0
Regulation of humid heat by urban green space across a climate wetness gradient 城市绿地在气候湿度梯度上对湿热的调节
Pub Date : 2024-11-12 DOI: 10.1038/s44284-024-00157-y
Yichen Yang, Chang Cao, Ivan Bogoev, Cosima Deetman, Grace Dietz, Jian Hang, Logan Howard, Xinjie Huang, Nicholas Kendall, Justin Lai, Hainan Lam, Kristen Tam, Christopher Yoo, Keer Zhang, Xuhui Lee
Green spaces are a common strategy for adaptation to urban warming. Whereas they have been demonstrated to reduce air temperature, much less is known about their effect on air humidity. Because human heat stress is contributed by both temperature and humidity, it is important to quantify the relationship between the effects of both. Here, using mobile measurements in 15 cities, we show that the daytime temperature effect is negatively correlated with the humidity effect, resulting in an insignificant change in the wet-bulb temperature Tw or humid heat (daytime Tw difference between green space and built-up area ΔTw = −0.01 °C). A net reduction in humid heat was observed at night in intermediate (summer precipitation 180 to 570 mm) and wet climates (summer precipitation > 570 mm; mean ΔTw = −0.35 °C). A model simulation revealed that the nighttime Tw reduction resulted mostly from reduction in soil heat storage in vegetated land. These nuanced microclimate responses to urban vegetation caution against a one-size-fits-all solution to climate adaptation. Green spaces are known to help cool cities, but they contribute humidity while reducing heat—and both matter. Using smart sensors mounted on bicycles, this study finds that daytime temperature reductions in urban green spaces are largely offset by humidity increases but that urban vegetation causes a net reduction in humid heat at night.
绿色空间是适应城市变暖的常用策略。虽然它们已经被证明可以降低空气温度,但它们对空气湿度的影响却知之甚少。因为人体热应激是由温度和湿度共同造成的,所以量化两者影响之间的关系是很重要的。通过对15个城市的移动测量,我们发现白天的温度效应与湿度效应呈负相关,导致湿球温度Tw或湿热的变化不显著(绿地与建成区的白天Tw差ΔTw = - 0.01°C)。在中等气候(夏季降水180 ~ 570 mm)和湿润气候(夏季降水>; 570 mm;平均值ΔTw =−0.35°C)。模式模拟表明,夜间Tw的减少主要是由于植被地土壤储热的减少。这些细微的小气候对城市植被的反应提醒人们不要采取一刀切的气候适应解决方案。众所周知,绿地有助于城市降温,但它们在减少热量的同时增加湿度——两者都是物质。通过安装在自行车上的智能传感器,这项研究发现,城市绿地白天温度的降低在很大程度上被湿度的增加所抵消,但城市植被会导致夜间湿热的净减少。
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引用次数: 0
Criminal governance and social order in Nottingham, England 英国诺丁汉的犯罪治理与社会秩序
Pub Date : 2024-11-08 DOI: 10.1038/s44284-024-00166-x
A mixed-methods study of crime in the English city of Nottingham shows that the presence of a governance-type organized criminal group helped to reduce ordinary crime in the immediate area.
一项针对英国诺丁汉市犯罪的混合方法研究表明,治理型有组织犯罪集团的存在有助于减少邻近地区的普通犯罪。
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引用次数: 0
Unequal access to social, environmental and health amenities in US urban parks 在美国城市公园里,享受社会、环境和健康设施的机会不平等
Pub Date : 2024-11-08 DOI: 10.1038/s44284-024-00153-2
Richelle L. Winkler, Jeffrey A. G. Clark, Dexter H. Locke, Peleg Kremer, Myla F. J. Aronson, Fushcia-Ann Hoover, Hogyeum Evan Joo, Daniele La Rosa, KangJae Jerry Lee, Susannah B. Lerman, Hamil Pearsall, Timothy L. V. Vargo, Charles H. Nilon, Christopher A. Lepczyk
Urban parks provide vital social, environmental and health benefits to residents. However, the spatial distribution of parks, and the amenities they provide, may not be equitably distributed within cities. We examine the accessibility of urban parks with different social, environmental and health amenities by race and ethnicity. We identified 122,988 urban parks across the USA, measured the racial/ethnic population distribution within a 10-min walkshed around each park and compared these distributions to the overall demographics of the city. We found that the spatial distribution of parks as well as park amenities differ according to the neighborhood demographics. Racial/ethnic compositions of neighborhoods surrounding parks tend to be whiter than other parts of the same cities, though there are regional differences. Parks in predominantly white neighborhoods are cooler in the summer and have more tree cover compared with parks in neighborhoods with greater proportions of Hispanic and Black residents. Differences in amenities hold across regions of the country. Our study demonstrates that inequities in access to high-quality parks are widespread across the USA. Parks provide deep value to urban residents, but the distribution of those services is unclear. This study finds that US urban residents have unequal access to the crucial environmental, social and health amenities of urban parks.
城市公园为居民提供了重要的社会、环境和健康效益。然而,公园的空间分布及其提供的便利设施在城市内的分布可能并不公平。我们研究了不同种族和民族的城市公园的可达性,这些公园具有不同的社会、环境和健康设施。我们在美国各地确定了122988个城市公园,测量了每个公园周围10分钟步行范围内的种族/民族人口分布,并将这些分布与城市的总体人口统计进行了比较。我们发现公园和公园设施的空间分布根据社区人口统计数据而有所不同。尽管存在地区差异,但公园周围社区的种族/民族构成往往比同一城市的其他地区更白。与西班牙裔和黑人居民较多的社区的公园相比,以白人为主的社区的公园在夏天更凉爽,树木覆盖率更高。全国各地区在便利设施方面存在差异。我们的研究表明,进入高质量公园的不平等现象在美国普遍存在。公园为城市居民提供了深刻的价值,但这些服务的分布情况尚不清楚。这项研究发现,美国城市居民在使用城市公园的关键环境、社会和健康设施方面存在不平等。
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引用次数: 0
Potential drivers of urban green space availability in Latin American cities 拉丁美洲城市绿色空间可用性的潜在驱动因素
Pub Date : 2024-11-06 DOI: 10.1038/s44284-024-00162-1
Maryia Bakhtsiyarava, Mika Moran, Yang Ju, Yuquan Zhou, Daniel A. Rodriguez, Iryna Dronova, Maria de Fatima Rodrigues Pereira de Pina, Vanderlei Pascoal de Matos, Daniel Albert Skaba
Urban green spaces play a critical role in regulating air temperature, reducing air pollution and enhancing people’s well being. Yet, existing data and research on potential drivers of urban green space availability in Latin America are limited. Here, focusing on 371 large cities in 11 countries in Latin America, we described the total and per capita variability of urban green space, its spatial configuration and green urban parks across the categories of cities’ natural, built and socioeconomic environments. We tested the relative importance of geographic (climate) versus city-level built environment (population, population density, street intersection density) and socioeconomic (city gross domestic product per capita, unemployment, education) drivers in explaining urban green space availability. We found a high level of heterogeneity in green space quantity across cities and across categories of cities’ environments. Relative to other city factors, climate zone had the largest influence in explaining the quantity of green space, whereas education, street intersection density and population density were the most important drivers of urban park availability. The significance of climate for green space availability, combined with the inequitable quantity of green space, indicates that cities have differing capacities to implement nature-based solutions for heat mitigation and health promotion. This study compiles detailed data on urban green spaces and analyzes the quantity and spatial configuration of green spaces in 371 cities in 11 countries in Latin America. Although there is high heterogeneity, climate seems to be the main determinant of differences in green space amount among cities compared with socioeconomic conditions and the built environment.
城市绿地在调节气温、减少空气污染、改善民生等方面发挥着至关重要的作用。然而,关于拉丁美洲城市绿地可用性的潜在驱动因素的现有数据和研究有限。本文以拉丁美洲11个国家的371个大城市为研究对象,在城市自然环境、建筑环境和社会经济环境的分类中,描述了城市绿地的总变异性和人均变异性、城市绿地的空间结构和城市绿地公园。我们测试了地理(气候)与城市一级建筑环境(人口、人口密度、十字路口密度)和社会经济(城市人均国内生产总值、失业率、教育)驱动因素在解释城市绿地可用性方面的相对重要性。我们发现,城市间和城市环境类别间的绿地数量存在高度异质性。相对于其他城市因素,气候带对城市绿地数量的影响最大,而教育、十字路口密度和人口密度是城市公园可用性的最重要驱动因素。气候对绿色空间可用性的重要性,再加上绿色空间数量的不平等,表明城市在实施基于自然的解决方案以缓解热量和促进健康方面有不同的能力。本研究收集了拉丁美洲11个国家371个城市绿地的详细数据,分析了绿地的数量和空间结构。尽管存在高度异质性,但与社会经济条件和建筑环境相比,气候似乎是城市绿地数量差异的主要决定因素。
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引用次数: 0
Neighborhood contexts shape how organizations connect communities 社区环境塑造了组织连接社区的方式
Pub Date : 2024-11-05 DOI: 10.1038/s44284-024-00164-z
Drawing on unique survey and administrative data from more than 800 organizations in 5 cities worldwide, this study shows how civil society organizations adapt their integrative practices to the neighborhoods in which they are located. Organizations in low-income neighborhoods emphasize social connections, whereas those in affluent, migrant-rich neighborhoods prioritize access to institutions.
本研究利用来自全球5个城市800多个组织的独特调查和管理数据,展示了民间社会组织如何将其综合实践适应其所在社区。低收入社区的组织强调社会联系,而富裕的移民社区的组织则优先考虑进入机构的机会。
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引用次数: 0
Author Correction: Modeled temperature, mortality impact and external benefits of cool roofs and rooftop photovoltaics in London 作者更正:模拟温度,死亡率的影响和外部效益的凉爽屋顶和屋顶光伏在伦敦
Pub Date : 2024-11-04 DOI: 10.1038/s44284-024-00174-x
Charles H. Simpson, Oscar Brousse, Tim Taylor, James Grellier, Jonathon Taylor, Lora E. Fleming, Mike Davies, Clare Heaviside
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引用次数: 0
Life by the Xiangxi River 湘西河畔的生活
Pub Date : 2024-11-04 DOI: 10.1038/s44284-024-00160-3
Xi Lu
Humans have a natural bond with water, which is reflected in the universal principle of ‘living and prospering by water’. Landscape architect and educator Xi Lu shares the story of the Xiangxi River in the water city of Suzhou and considers human–water interactions over time.
人类与水有着天然的联系,这反映在“以水为生,以水繁荣”的普遍原则中。景观设计师兼教育家吕西分享了水城苏州湘溪河的故事,并思考了人类与水的长期互动。
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引用次数: 0
Functional brain imaging and population-level visits to urban spaces 功能性脑成像和人口对城市空间的访问
Pub Date : 2024-11-01 DOI: 10.1038/s44284-024-00158-x
Ardaman Kaur, André Leite Rodrigues, Sarah Hoogstraten, Diego Andrés Blanco-Mora, Bruno Miranda, Paulo Morgado, Dar Meshi
Urbanization is increasing worldwide, and neuroscience research can be conducted to better understand our behavior within, and the effects of, urban environments. In line with this, we conducted a neuroimaging study to ascertain whether brain activity in a small sample of individuals can predict population-level visits around an urban space—in our case, Lisbon, Portugal. We used the density of photographs around Lisbon as a proxy measure of these visits, obtaining 160 geotagged images from the social media platform Flickr to use as stimuli. Participants in the USA who had never visited Lisbon viewed these images while we recorded their brain activity. We found that activity within the ventromedial prefrontal cortex predicted the density of photographs around Lisbon, and hence, population-level visits. Our results highlight the role of reward-related brain regions in shaping human behavior within urban environments and can aid in designing cities that promote sustainable living. As the world urbanizes, we need better understanding of how urbanization and urban environments affect people cognitively. This study uses human brain activity, assessed using functional magnetic resonance imaging, to predict the number of visits to various locations within Lisbon, Portugal, when exposed to geotagged images from Flickr.
城市化在世界范围内不断增加,神经科学研究可以更好地理解我们在城市环境中的行为及其影响。与此相一致,我们进行了一项神经成像研究,以确定小样本个体的大脑活动是否可以预测城市周围人口水平的访问量——以我们的案例为例,葡萄牙里斯本。我们使用里斯本周围的照片密度作为这些访问的代理度量,从社交媒体平台Flickr获得160个地理标记图像作为刺激。没有去过里斯本的美国参与者观看了这些图像,同时我们记录了他们的大脑活动。我们发现腹内侧前额叶皮层的活动预测了里斯本周围照片的密度,从而预测了人口水平的访问。我们的研究结果强调了与奖励相关的大脑区域在城市环境中塑造人类行为的作用,并有助于设计促进可持续生活的城市。随着世界城市化,我们需要更好地了解城市化和城市环境如何影响人们的认知。这项研究使用了人类的大脑活动,通过功能性磁共振成像来评估,当人们看到来自Flickr的带有地理标记的图片时,预测了葡萄牙里斯本不同地点的访问量。
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引用次数: 0
The relationship between social order and crime in Nottingham, England 英国诺丁汉社会秩序与犯罪的关系
Pub Date : 2024-11-01 DOI: 10.1038/s44284-024-00161-2
Federico Varese, Fanqi Zeng
Studies of organized crime in cities have traditionally concentrated on the global south or ethnic enclaves and traditional mafia territories within the global north. Here this study turns its attention to governance-type organized crime in the English city of Nottingham, where the main protagonists are white and British born. It investigates whether such a gang can govern communities by reducing ordinary crimes. We conduct in-depth interviews with local officials and analyze a novel dataset of the public’s phone calls to the Nottingham police from 2012 to 2019, encompassing spatio-temporal information and police-labeled crime types. We identify Nottingham’s ward of Bestwood as the site of an entrenched, governance-type organized crime group, whereas its most similar ward, Bulwell, is not. Further comparative analyses indicate that certain ordinary crime rates are significantly lower in Bestwood than in Bulwell. We conclude that governance-type organized crime can emerge in a country with a high capacity to police and in a nonimmigrant, less affluent community. Our findings suggest that traditional explanations of the emergence of criminal governance in cities need to be revisited. This study used a mixed-methods approach to map out crime patterns over time in Nottingham. It found that the district of Bestwood, the site of a large governance-type organized crime group, has lower crime rates in certain categories than comparable districts with no such group.
对城市中有组织犯罪的研究传统上集中在全球南部或全球北部的种族飞地和传统黑手党领地。在这里,这项研究将注意力转向了英国诺丁汉市的治理型有组织犯罪,那里的主要主人公都是出生在英国的白人。它调查这样一个团伙能否通过减少普通犯罪来治理社区。我们对当地官员进行了深入采访,并分析了2012年至2019年诺丁汉警方公众电话的新数据集,包括时空信息和警方标记的犯罪类型。我们认为诺丁汉的贝斯特伍德区是一个根深蒂固的、治理型的有组织犯罪集团的所在地,而与之最相似的布尔韦尔区则不是。进一步的比较分析表明,贝斯特伍德的某些普通犯罪率明显低于布尔韦尔。我们的结论是,治理型有组织犯罪可能出现在警察能力强的国家和非移民、不太富裕的社区。我们的研究结果表明,对城市犯罪治理出现的传统解释需要重新审视。这项研究使用了一种混合方法来绘制诺丁汉随时间变化的犯罪模式。研究发现,作为一个大型治理型有组织犯罪集团所在地的Bestwood地区,某些类别的犯罪率低于没有此类集团的可比地区。
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引用次数: 0
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Nature Cities
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