The COVID-19 pandemic: Impacts on cities and major lessons for urban planning, design, and management

The Science of The Total Environment, Год журнала: 2020, Номер 749, С. 142391 - 142391

Опубликована: Сен. 18, 2020

Язык: Английский

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Impact of COVID-19 pandemic on socio-economic, energy-environment and transport sector globally and sustainable development goal (SDG)

Journal of Cleaner Production, Год журнала: 2021, Номер 312, С. 127705 - 127705

Опубликована: Май 31, 2021

Язык: Английский

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The global impacts of COVID-19 lockdowns on urban air pollution

Elementa Science of the Anthropocene, Год журнала: 2021, Номер 9(1)

Опубликована: Янв. 1, 2021

The coronavirus-19 (COVID-19) pandemic led to government interventions limit the spread of disease which are unprecedented in recent history; for example, stay at home orders sudden decreases atmospheric emissions from transportation sector. In this review article, current understanding influence emission reductions on pollutant concentrations and air quality is summarized nitrogen dioxide (NO2), particulate matter (PM2.5), ozone (O3), ammonia, sulfur dioxide, black carbon, volatile organic compounds, carbon monoxide (CO). first 7 months following onset pandemic, more than 200 papers were accepted by peer-reviewed journals utilizing observations ground-based satellite instruments. Only about one-third literature incorporates a specific method meteorological correction or normalization comparing data lockdown period with prior reference despite importance doing so interpretation results. We use stringency index (SI) as an indicator severity measures show how key pollutants change SI increases. observed decrease NO2 increasing general agreement inventories that account lockdown. Other compounds such O3, PM2.5, CO also broadly covered. Due chemistry O3 PM2.5 concentrations, their responses may not be linear respect primary pollutants. At most sites, we found increased, whereas decreased slightly, SI. Changes other understudied. highlight future research needs emerging sets preview state atmosphere world targeted permanent emissions. Finally, emphasize need effects meteorology, trends, when determining concentrations.

Язык: Английский

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Impact of lockdown on air quality over major cities across the globe during COVID-19 pandemic

Urban Climate, Год журнала: 2020, Номер 34, С. 100719 - 100719

Опубликована: Окт. 16, 2020

Язык: Английский

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Human mobility behavior in COVID-19: A systematic literature review and bibliometric analysis

Sustainable Cities and Society, Год журнала: 2021, Номер 70, С. 102916 - 102916

Опубликована: Апрель 15, 2021

Язык: Английский

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Environment and COVID-19: Pollutants, impacts, dissemination, management and recommendations for facing future epidemic threats

The Science of The Total Environment, Год журнала: 2020, Номер 747, С. 141314 - 141314

Опубликована: Июль 28, 2020

Язык: Английский

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What is the impact of COVID-19 pandemic on global carbon emissions?

The Science of The Total Environment, Год журнала: 2021, Номер 816, С. 151503 - 151503

Опубликована: Ноя. 6, 2021

The coronavirus 2019 (COVID 19, or SARS-CoV-2) pandemic that started in December has caused an unprecedented impact most countries globally and continues to threaten human lives worldwide. COVID-19 strict lockdown measures have had adverse effects on health national economies. These played a critical role improving air quality, water the ozone layer reducing greenhouse gas emissions. Using Soil Moisture Active Passive (SMAP) Level 4 carbon (SMAP LC4) satellite products, this study investigated impacts of annual emissions globally, focusing 47 greatly affected their 105 cities by 2020. It is shown while significantly reduced several observed reduction as temporary because were not imposed for extended periods Overall, total select 184 438 Mt 2020 than 2019. Since global economic activities are slowly expected return non-COVID-19 state, during will be sustainable long run. For sustainability, concerned authorities put significant efforts change transportation, climate, environmental policies fuel presented results provide directions stakeholders policymakers develop implement control environment.

Язык: Английский

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Advances in air quality research – current and emerging challenges

Atmospheric chemistry and physics, Год журнала: 2022, Номер 22(7), С. 4615 - 4703

Опубликована: Апрель 11, 2022

Abstract. This review provides a community's perspective on air quality research focusing mainly developments over the past decade. The article perspectives current and future challenges as well needs for selected key topics. While this paper is not an exhaustive of all areas in field quality, we have topics that feel are important from policy perspectives. After providing short historical overview, focuses improvements characterizing sources emissions pollution, new observations instrumentation, advances prediction forecasting, understanding interactions with meteorology climate, exposure health assessment, management policy. In conducting review, specific objectives were (i) to address push boundaries forward, (ii) highlight emerging prominent gaps knowledge research, (iii) make recommendations guide direction within wider community. also identifies particular importance original concept was borne at International Conference Air Quality 2020 (held online due COVID 19 restrictions during 18–26 May 2020), but incorporates landscape literature science. On pollution highlights, particular, need reduce uncertainties diffuse sources, particulate matter chemical components, shipping emissions, considering both indoor outdoor sources. There growing integrated related ground-based remote sensing instruments, including those satellites. should capitalize area low-cost sensors, while ensuring measurements which regulated by guidelines. Connecting various physical scales modelling still continual issue, cities being affected gradients local long-range transport. At same time, one allow impacts climate change longer timescale. Earth system offers considerable potential consistent framework treating processes, especially where there significant feedbacks, such aerosols, chemistry, meteorology. Assessment consider application more sophisticated, dynamic approaches predict concentrations pollutants environments. With most health, indicating urgent understand, role particle number components terms impact, turn requires improved emission inventories models predicting high-resolution distributions these metrics cities. examines how adapt above-mentioned briefly considers implications COVID-19 pandemic quality. Finally, provide support

Язык: Английский

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Nitrogen Dioxide (NO2) Pollution Monitoring with Sentinel-5P Satellite Imagery over Europe during the Coronavirus Pandemic Outbreak

Remote Sensing, Год журнала: 2020, Номер 12(21), С. 3575 - 3575

Опубликована: Окт. 31, 2020

Nitrogen dioxide (NO2) is one of the main air quality pollutants concern in many urban and industrial areas worldwide, particularly European region, where 2017 almost 20 countries exceeded NO2 annual limit values imposed by Commission Directive 2008/50/EC (EEA, 2019). pollution monitoring regulation a necessary task to help decision makers search for sustainable solution environmental population health status improvement. In this study, we propose comparative analysis tropospheric column spatial configuration over Europe between similar periods 2019 2020, based on ESA Copernicus Sentinel-5P products. The results highlight dynamics abrupt transition from normal condition situation COVID-19 outbreak context, characterized short-time decrease traffic intensities activities, revealing remarkable number density decreases even 85% some big cities. validation approach satellite-derived data, cross-correlation with independent data ground-based observations, provided encouraging correlation coefficients (R2), ranging 0.5 0.75 different locations. during lockdown highlighted S-5P products confirmed Industrial Production Index volumes.

Язык: Английский

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Changes in air quality during COVID-19 ‘lockdown’ in the United Kingdom

Environmental Pollution, Год журнала: 2020, Номер 272, С. 116011 - 116011

Опубликована: Ноя. 20, 2020

The UK implemented a lockdown in Spring (2020) to curtail the person-to-person transmission of SARS-CoV-2 virus. Measures restricted movements one outing per day for exercise and shopping, otherwise most people were their dwelling except key workers (e.g. medical, supermarkets, transport). In this study, we quantified changes air quality across United Kingdom from 30/03/2020 03/05/2020 (weeks 14–18), period stringent travel restrictions. Daily pollutant measurements NO2, O3 PM2.5 national network monitoring sites during compared with over same 2017–19. Comparisons also made predicted concentrations 2020 business-as-usual (BAU) modelling, where contributions normal anthropogenic activities estimated under observed meteorological conditions. During study there was 69% reduction traffic overall (74% light 35% heavy vehicles). Measurements 129 stations, identified mean reductions NO2 38.3% (−8.8 μg/m3) 16.5% (−2.2 μg/m3). Improvements largest at urban more modest background locations large proportion population live. contrast, on average increased by 7.6% (+4.8 increases roadside due local emissions NO. A lack VOC limited our capacity interpret locations. BAU models comparable gains, although episodes would have been prominent without lockdown. Results demonstrate relatively contribution quality, suggesting that sustained improvements require actions various sectors, including working international European initiatives long-range transport pollutants, especially O3.

Язык: Английский

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