key: cord-0883566-p6uxjsvf authors: Doi, Hideyuki; Osawa, Takeshi; Tsutsumida, Narumasa title: Assessing the potential repercussions of the COVID-19 pandemic on global SDG attainment date: 2022-01-18 journal: Discov Sustain DOI: 10.1007/s43621-021-00067-2 sha: a3ea8267c8071f758b7e1a91371e6d809572ba14 doc_id: 883566 cord_uid: p6uxjsvf The coronavirus disease (COVID-19) pandemic has led to a worldwide lockdown, and this restriction on human movements and activities has significantly affected society and the environment. Some effects might be quantitative, but some might be qualitative, and some effects could prolong immediately and/or persistently. This study examined the consequences of global lockdown for human movement and nitrogen dioxide (NO(2)) emissions using an air pollution index and dataset and satellite image analyses. We also evaluated the immediate (during lockdown) and persistent (after lockdown) effects of lockdown on achieving the SDGs. Our analysis revealed a drastic reduction in human movement and NO(2) emissions and showed that many SDGs were influenced both immediately and persistently due to the global lockdown. We observed the immediate negative impacts on four goals and positive impacts on five goals, especially those concerning economic issues and ecosystem conservation, respectively. The persistent effects of lockdown were likely to be predominantly reversed from their immediate impacts due to economic recovery. The global lockdown has influenced the global community’s ability to meet the SDGs, and our analysis provides powerful insights into the status of the internationally agreed-upon SDGs both during and after the COVID-19-induced global lockdown. SUPPLEMENTARY INFORMATION: The online version contains supplementary material available at 10.1007/s43621-021-00067-2. Society changed drastically in 2020 due to the coronavirus disease (COVID- 19) pandemic. COVID-19 was first observed in Wuhan, China, and had spread to every continent by April 2020 [1, 2] . To reduce the spread of COVID-19, China imposed a lockdown in Wuhan City on 23 January 2020 [1] . WHO reported 202,138,110 infected cases, with 4,285,299 confirmed deaths in 215 countries and territories around the world resulting from COVID-19 up to 8 August 2021 (URL: https:// www. who. int/ publi catio ns/m/ item/ weekly-opera tional-update-on-covid-19---9-august-2021). The disease has caused a massive global health challenge and created ripples in the medical fraternity [1, 2] . Undoubtedly, Hideyuki Doi, Takeshi Osawa and Narumasa Tsutsumida equally contributed to this study and are ordered alphabetically. The online version contains supplementary material available at https:// doi. org/ 10. 1007/ s43621-021-00067-2. We used the data from the global mobility report published by Google (https:// www. google. com/ covid 19/ mobil ity/) to observe daily changes in human migration. This dataset describes changes in movements from the baseline, the median value of the five weeks from 3 January 2020 to 6 February 2020 (https:// suppo rt. google. com/ covid 19-mobil ity/ answer/ 98248 97? hl= en& ref_ topic= 98229 27). The mobility changes are classified into six categories: retail and recreation, grocery and pharmacy, parks, transit stations, workplaces, and residential. The data did not include any personally identifiable information, such as an individual's location, contacts, or movement. Thus, the change values were built from aggregated and anonymised datasets of users who left their location history setting on for Google services, which is off by default. We used country-level mobility data for the six categories, collected from 15 February 2020 to 1 June 2020. We used satellite-based NO 2 data observed by the TROPOspheric Monitoring Instrument (TROPOMI) onboard the Sentinel-5 Precursor launched by the European Space Agency with a spatial resolution of 0.01° as a proxy for air pollution data [18] . The data are available from July 2018 in the Google Earth Engine environment (https:// earth engine. google. com), a planetary-scale cloud computing system for satellite imagery and geospatial datasets. To obtain NO 2 data worldwide and visualise changes in NO 2 emissions in response to the lockdown policies (e.g. from March 2020 to May 2020), the monthly median of the total vertical column of NO 2 (the ratio of the NO 2 slant column density and the total air mass factor) was calculated for every 0.01° grid in April 2019 and April 2020. Subsequently, we spatially aggregated NO 2 emissions in each country and mapped the change rate ((NO 2 _2020 -NO 2 _2019)/NO 2 _2019) for each country. The 17 SDGs are said to be 'transforming our world' and are a part of the United Nations' 2030 Agenda for Sustainable Development [13] . The SDGs are associated with 169 targets, where each goal has 5 to 19 targets. We reviewed all 169 targets and selected those potentially influenced by the global lockdown due to the COVID-19 pandemic. The selection criteria were (1) the target could be influenced by human activities, including migration either directly or indirectly, and (2) we could evaluate the relationship between the accomplishment of targets and lockdown due to the COVID-19 pandemic. Also, we avoided targets that were conceptual, aimed to establish a social regulatory role, and aimed to get a social right. Consequently, we selected a total of 76 targets, of 17 which covered all goals. Lockdown policies have multiple levels [12] . We included all lockdown phenomena and policies that restricted society and behaviour in the scoring. We used a simple scoring system to evaluate the global lockdown effects on the achievement of each goal, and we calculated the conflict-synergy scores following the method used by Ibisch et al. [16] . The target score calculations were based on a simple index, where 'negative' indicated a negative influence, 'positive' indicated a positive influence, and 'undecided' indicated no influence or debating the pros and cons. On 'undecided' , it has difficulty to discuss about that so we treat that as pending issue. The scores in each target could describe as: In addition, we scored these indices according to two timescales: (1) immediate influence and (2) persistent influence. The scores of each SDG are based on a simple index comprising individual scores attributed to the corresponding targets. We basically defined the score of each target that the literature review (including preprints and public reports) showed to be influenced by the lockdown. We could not conduct systematic literature survey because there were too many literatures on that topic (nature news, https:// www. nature. com/ artic les/ d41586-020-03564-y), and uncertainty regarding some effects remained [19] . Thus, we used descriptions to determine the target effects, and we did not use any specific cases. Some of the targets were clearly influenced by the lockdown. For example, Target 3 b, which aims to support vaccines and medicines for developing countries, can be directly influenced by COVID-19 issues including lockdown. In such cases, we attributed a score, even without consulting the literature. The literature survey was conducted during September 2020, and an additional survey to find the literature that could not be found the first time was conducted in both June and October 2021. This approach was found to be effective in all cases (Additional file 2: Table S1 ). We analysed the lockdown policies, human movements, and NO 2 emissions globally from February 2020 to June 2020. We exhibit the COVID-19 GRSI as a government policy response to COVID-19 [17] in Fig. 2 . The COVID-19 GRSI scores were calculated daily based on citizen restriction policies. We found a higher GRSI score spread from China and its surrounding countries and increased from February 2020 to May 2020 ( Fig. 2 and Additional file 1: Fig. S1 ). In Asian countries, the GRSI decreased in May 2020, while other countries maintained high GRSI values during this period. We illustrated global mobility changes to observe daily changes in human migration through Google services (Fig. 3 for the 'workplaces' and 'residential' categories). The 'Workplace' category was altered by − 80% in the measured countries, while the 'residential' category increased. The other mobility categories, including 'retail and recreation' , 'grocery and pharmacy' , 'parks' , and 'transit stations' , are displayed in Additional file 1: Fig. S2 , and they also drastically decreased compared to the baseline after the global lockdown. We calculated the change rate between the monthly median NO 2 emission values for April 2019 and April 2020 for every country, and these are mapped in Fig. 4 . We found that most countries in Europe, Asia, Africa, and North and South America exhibited negative change rates between 2019 and 2020. However, countries in Europe, Asia, and Africa exhibited higher change rates than those in other regions. Using a simple scoring method, we summarised the positive, negative, and neutral effects of the COVID-19 lockdown on SDG achievements. We displayed the scoring of each goal (Table 1, Fig. 5 ) for the 73 targets (Fig. 5a) . We found mixed negative and positive scores for SDG achievements when considering the immediate effects of the global lockdown (Fig. 5b) . We observed many negative SDG target scores (Fig. 5b) , such as those for SDGs 2 (zero hunger), 8 (decent work and economic growth), 9 (industry, innovation, and infrastructure), and 17 (partnerships). These mainly negatively affected SDGs concerned with food, economic, and industrial issues. Thus, these goals conflicted with the global lockdown. By contrast, SDGs 3 (good health and well-being), 6 (clean water and sanitation), 11 (sustainable cities and communities), 12 (responsible consumption and production), and 15 (life on land) exhibited more positive scores than the other Goals. These goals primarily concerned human health and environmental issues, including ecosystem conservation. When considering the persistent effects of the COVID-19 pandemic on SDG achievements, Goal 6 exhibited the same score as that of the immediate effect (Fig. 5b) . The other SDGs exhibited different achievements compared with their immediate responses (Fig. 5b and c) . In particular, the scores of SDGs 11, 13 (Climate action), and 15 mostly shifted from positive to negative, which may be due to the recovery of human activities, including the economy. By contrast, SDGs 9 and 10 (reduced inequalities), 16 (peace, justice, and strong institutions), and 17 predominantly changed from negative to positive, which may be due to improved governance. The detailed responses for each target were displayed in Additional file 2: Table S1 . Several SDG targets showed ambivalent (instead of synergistic) effects of the global lockdown. We evaluated the effects of the global lockdown on society and the environment. We found drastic changes in government policies in response to COVID-19, such as increasing expenditures, reducing human movement, reducing human mobility/working style, and consequently reducing air pollution, as evidenced by NO 2 data. The reduction in air pollution may result from the reduction in economic and transportation activities [9, [19] [20] [21] . For example, the absence of motor vehicle traffic and suspended manufacturing during the COVID-19 pandemic in China led to a ~ 90% reduction in NO 2 emissions countrywide [22] . The global economy drastically slowed due to the COVID-19 pandemic [23] . As the changes in NO 2 emissions are consistent with those in other emissions such as carbon dioxide (CO 2 ), ozone (O 3 ), and fine particulate matter (PM 2.5 ) [20, 24, 25] , the NO 2 emission level can be regarded as an air pollution indicator. Thus, we found the degree of reduction in air pollution response to the lockdown as a proxy through the NO 2 observation. Most countries in the world reduced air pollution through their lockdown policies (Fig. 2b) . These changes began in early March 2020 after COVID-19 spread globally. Such global changes in society due to a global lockdown have not been observed previously due to limited observation techniques. In this study, we originally examined the global lockdown consequences for human movement and environmental impacts using current technologies, such as human location big data via smartphone and satellite images. Global consequences 1 2 2 0 2 0 2 4 2 1 0 0 0 0 2 2 3 0 5 2 0 2 5 7 4 0 1 1 0 0 2 2 5 1 0 1 0 1 1 2 6 0 2 2 0 2 2 4 7 3 0 0 0 0 1 1 8 6 0 1 3 2 2 7 9 3 2 0 0 3 2 5 [27] , and environmental noise [28] . Against these previous works, we here provided new consequences of the global lockdown using new scoring and data of NO 2 emissions, with results similar to those of previous reports. The COVID-19-induced lockdown may negatively affect the achievement of the SDGs concerning food, the economy, and infrastructure (e.g. Goals 3 and 9). The lockdown is expected to substantially influence the food supply chain [29] , infrastructure, and the economy [23] due to restricted human movement, food production, and economic activities. The global lockdown may accelerate the achievements of certain SDGs, especially those focused on improving human health and conserving ecosystems. Especially for food security, some studies have assessed the impact of the COVID-19 pandemic on food security and resulting health effects [30] [31] [32] . Galanakis [33] surmised that the COVID-19 pandemic had created a new era for food-supply chains. We will have to face many significant challenges, e.g., ensuring food safety and security, reducing losses and food wastage, as well as identifying alternative, safe protein sources that meet the nutritional expectations of consumers. The global lockdown may reduce global climate change impact due to the relative decline in air pollution (Goal 13) [9, 26] , conserve sustainable cities [11] , and protect life on land [15] through a lower human impact on ecosystems [5] . Consequently, human health may improve, excluding those who contract COVID-19 (Additional file 2: Table S1 ). These improvements are primarily due to restricted human movements and economic activities, which reduce air pollution. Certain scholars expected reduced human mobility and activity during the global lockdown to significantly impact ecosystems because reducing the human impact on the environment allows ecosystems to recover and conserves species [4, 34] . Regarding persistent effects on SDG achievements up to 2030, the SDG scores changed drastically from the immediate ones. The achievements of climate change and ecosystem protection, such as Goals 11, 13, and 15, predominantly shifted from positive to negative, while those of economic issues, such as Goals 9, 10, and 16, primarily exhibited a negative to positive trend. This occurred primarily because economic recovery that goes against ecosystem protection can be expected to occur after the global lockdown. Forster et al. [35] simulated the increase in global temperature after the economic recovery up to 2030. Therefore, global economic recovery could substantially affect the persistent achievements of the SDGs concerning ecosystem protection and climate change mitigation. Furthermore, there were conflicting effects among goals protecting biodiversity and those promoting economic development [16, 36] . Therefore, a comprehensive debate is necessary to consider the achievements of SDGs concerning economic recovery and ecosystem management after global lockdown. There is a growing body of scientific information on how to achieve SDGs [16, [37] [38] [39] , and the impacts of the global lockdown have been well evaluated using the current global policy framework. Moreover, major global lockdown policies and the subsequent economic recovery, such as the cohesion policy of developed countries, may not consider the future SDG achievements for 2030. Therefore, policies concerning SDGs should be considered while factoring in the global lockdown and subsequent economic recovery. This study design and the perspectives have certain limitations. Our simple score analysis for SDG achievements represents findings in the literature on how the global lockdown affects the SDGs. Although we carefully considered the scores, certain scores may have been overlooked or underestimated. In addition, we should assume that new evidence of the global lockdown effects on SDGs will be published in the future. Considering these limitations, the scoring estimates have various uncertainties. Therefore, we recommend studying the reality of SDG achievement in the future by directly measuring the SDGs, human movement, and air pollution. We scored the SDG achievement at the global scale by limiting the data; however, developing countries are more severely influenced by the global lockdown due to their limited governmental budgets [40] . Therefore, we encourage the assessment of SDG achievements at the country or regional level. Recently, with increasing levels of COVID-19 vaccination, the lockdown has been reduced in parts of the world. The changing lockdown situation could improve or reduce the SDG achievements at the country scale as well as the global scale. Moreover, use of resources for the COVID-19 pandemic, e.g., lockdown, is likely to hinder reactions to concurrent threats (e.g., heat waves, wildfires, drought, and extreme weather) as under-resourced systems and emergency responses become stretched and disrupted [41] , radically transforming the current state of global development [42] . Such threats increase the potential for geopolitical unrest, and the cost of dealing with these stressors could divert funding from the existing SDG targets [6] . In conclusion, we have highlighted the changes in society, the environment, and SDG achievements due to the immediate and persistent effects of the global lockdown caused by the COVID-19 pandemic. Although our simple score analysis scored the SDG achievement by limiting the data and containing any uncertainly, global lockdown significantly impacted society and the environment. Also, our study is a first step to describe the time-series observation by satellite and the prediction for SDGs achievement, but time-series analysis for the air pollution [43] and the scenario analysis for prediction [44] would be helpful to further analysis and consequently policy making under the COVID-19 lockdown. Moreover, it greatly impacted the immediate achievements of the most SDGs, with mainly negative and positive effects on economic and environmental issues, respectively. In addition, we found there were persistent effects on achievements for most of the goals. We are at a critical turning point for the future of human society and the Earth, and the SDG achievement analysis provides powerful evidence for this from the SDG perspective [39] . In addition, the SDGs represent a leap forward compared to the Millennium Development Goals [45] . 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Nonlinear impact of COVID-19 on pollutions-evidence from Wuhan Underestimated impact of the COVID-19 on carbon emission reduction in developing countries-a novel assessment based on scenario analysis United Nations Department of Public Information Authors' contributions HD, TO, and NT designed the study; NT collected the spatial data; NT and TO analysed the data; HD, TO, and NT inter-