{"cited_by_count":150578,"description":"This cluster of papers explores the impact of the COVID-19 pandemic on global environment, focusing on air quality, carbon emissions, sustainability, and renewable energy. It investigates the effects of lockdown measures on reducing pollution, the potential long-term implications for climate change, and the opportunities for sustainable development in a post-pandemic world.","display_name":"COVID-19 impact on air quality","domain_id":"3","external_ids":{"openalex":"https://openalex.org/T12916","wikipedia":"https://en.wikipedia.org/wiki/Environmental_impact_of_the_COVID-19_pandemic"},"field_id":"23","id":"T12916","keywords":[{"display_name":"anthropogenic emission reduction","id":"anthropogenic-emission-reduction","score":0.4366,"url":"https://openalex.org/keywords/anthropogenic-emission-reduction"},{"display_name":"human activity reduction","id":"human-activity-reduction","score":0.5032,"url":"https://openalex.org/keywords/human-activity-reduction"},{"display_name":"environmental impact of pandemic","id":"environmental-impact-of-pandemic","score":0.4923,"url":"https://openalex.org/keywords/environmental-impact-of-pandemic"},{"display_name":"emission changes","id":"emission-changes","score":0.2188,"url":"https://openalex.org/keywords/emission-changes"},{"display_name":"environmental impact of COVID-19","id":"environmental-impact-of-covid-19","score":0.4058,"url":"https://openalex.org/keywords/environmental-impact-of-covid-19"},{"display_name":"air quality changes","id":"air-quality-changes","score":0.3036,"url":"https://openalex.org/keywords/air-quality-changes"},{"display_name":"industrial shutdown","id":"industrial-shutdown","score":0.2626,"url":"https://openalex.org/keywords/industrial-shutdown"},{"display_name":"meteorological effects on air pollution","id":"meteorological-effects-on-air-pollution","score":0.2026,"url":"https://openalex.org/keywords/meteorological-effects-on-air-pollution"},{"display_name":"energy demand decline","id":"energy-demand-decline","score":0.2001,"url":"https://openalex.org/keywords/energy-demand-decline"},{"display_name":"meteorological normalization","id":"meteorological-normalization","score":0.2325,"url":"https://openalex.org/keywords/meteorological-normalization"},{"display_name":"pre- and post-lockdown comparison","id":"pre-and-post-lockdown-comparison","score":0.2553,"url":"https://openalex.org/keywords/pre-and-post-lockdown-comparison"}],"legacy_keywords":["COVID-19","pandemic","air quality","lockdown","environmental impact","sustainability","renewable energy","carbon emissions","climate change","global response"],"openalex_id":"https://openalex.org/T12916","source_created_date":"2024-01-23T15:27:16","source_updated_date":"2026-10-17T03:02:00","subfield_id":"2306","url":"/topics/T12916","works_api_url":"https://api.openalex.org/works?filter=topics.id:T12916","works_count":9229,"label":"COVID-19 impact on air quality","provider":"openalex","revision":"6bce8cfd43d0bf14","taxonomy_revision":"f050b5d4780b1289","title":"COVID-19 impact on air quality","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"38351532655774323","address_version":"morton4x16-v1","coordinates":[3,23,2306,12916],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}