Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Social Traps01:41

Social Traps

24.2K
Social traps are negative situations where people get caught in a direction or relationship that later proves to be unpleasant, with no easy way to back out of or avoid. The concept was orignally introduced by John Platt who applied psychology to Garrett Hardin's "Tragedy of the Commons", where in New England herd owners could let their cattle graze in the common ground. This situation seems like a good idea, but an individual could have an advantage. If they owned...
24.2K
Responses to Drought and Flooding02:41

Responses to Drought and Flooding

11.2K
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
11.2K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Chromosome-level Genome Assembly and Annotation of the bighead beaked sandfish (Gonorynchus abbreviatus).

Scientific data·2026
Same author

A Near-Telomere-to-Telomere Genome Assembly of the Spotted Seal (<i>Phoca largha</i>) Reveals Genomic Architecture Underlying Skin and Fur Adaptation.

International journal of molecular sciences·2026
Same author

Environmental drivers and ecological processes underlying microbial community zonation in deep-sea polymetallic nodule sediments.

Marine environmental research·2025
Same author

Vertically stratified microbial diversity and keystone species driving element cycling in the Magellan seamount sediments.

Microbial genomics·2025
Same author

Biodiversity and Conservation of Marine Mollusks in the Indo-Pacific Convergence Zone.

Ecology and evolution·2025
Same author

Comparative Metagenomics Reveals Microbial Diversity and Biogeochemical Drivers in Deep-Sea Sediments of the Marcus-Wake and Magellan Seamounts.

Microorganisms·2025

Related Experiment Video

Updated: Oct 16, 2025

Swabbing the Urban Environment - A Pipeline for Sampling and Detection of SARS-CoV-2 From Environmental Reservoirs
07:13

Swabbing the Urban Environment - A Pipeline for Sampling and Detection of SARS-CoV-2 From Environmental Reservoirs

Published on: April 9, 2021

4.4K

Reflections Based on Pollution Changes Brought by COVID-19 Lockdown in Shanghai.

Fang Zhang1, Yi Han2, Bailin Cong3

  • 1MNR Key Laboratory for Polar Science, Polar Research Institute of China, Shanghai 200136, China.

International Journal of Environmental Research and Public Health
|October 23, 2021
PubMed
Summary

COVID-19 lockdowns significantly altered air quality, decreasing most airborne pollutants like nitrogen dioxide (NO2) and particulate matter (PM2.5/PM10), except for ground-level ozone (O3). This study highlights the link between reduced human activity and improved environmental conditions.

Keywords:
COVID-19Shanghaidifferent functional areaseffective policymajor airborne pollutantssustainable societies

More Related Videos

Concentration of Virus Particles from Environmental Water and Wastewater Samples Using Skimmed Milk Flocculation and Ultrafiltration
10:53

Concentration of Virus Particles from Environmental Water and Wastewater Samples Using Skimmed Milk Flocculation and Ultrafiltration

Published on: March 17, 2023

1.9K
Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street
14:55

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

Published on: January 20, 2023

3.6K

Related Experiment Videos

Last Updated: Oct 16, 2025

Swabbing the Urban Environment - A Pipeline for Sampling and Detection of SARS-CoV-2 From Environmental Reservoirs
07:13

Swabbing the Urban Environment - A Pipeline for Sampling and Detection of SARS-CoV-2 From Environmental Reservoirs

Published on: April 9, 2021

4.4K
Concentration of Virus Particles from Environmental Water and Wastewater Samples Using Skimmed Milk Flocculation and Ultrafiltration
10:53

Concentration of Virus Particles from Environmental Water and Wastewater Samples Using Skimmed Milk Flocculation and Ultrafiltration

Published on: March 17, 2023

1.9K
Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street
14:55

Evaluating the Effect of Roadside Parking on a Dual-Direction Urban Street

Published on: January 20, 2023

3.6K

Area of Science:

  • Environmental Science
  • Atmospheric Chemistry
  • Public Health

Background:

  • The COVID-19 pandemic necessitated global lockdowns, significantly reducing human activities.
  • Lockdowns offered a unique opportunity to assess environmental changes with minimal human interference.
  • Understanding the impact of reduced emissions on air quality is crucial for public health and policy.

Purpose of the Study:

  • To evaluate the impact of COVID-19 lockdowns on five major airborne pollutants (NO2, SO2, O3, PM2.5, PM10).
  • To compare pollutant concentration changes across three distinct functional regions in Shanghai (Chongming, Xuhui, Jinshan).
  • To analyze short-term and long-term effects of lockdown measures on air quality.

Main Methods:

  • Comparative analysis of pollutant concentrations (NO2, SO2, O3, PM2.5, PM10) before, during, and after lockdown periods.
  • Assessment across different urban functional zones (Chongming, Xuhui, Jinshan) in Shanghai.
  • Statistical analysis to identify correlations between pollutants and lockdown effects.

Main Results:

  • Overall decrease in concentrations of nitrogen dioxide (NO2), sulfur dioxide (SO2), particulate matter (PM2.5, PM10), except for ground-level ozone (O3), which increased.
  • Significant reduction in NO2, SO2, and PM levels observed in industrial/urban areas (Jinshan, Xuhui) attributed to decreased fossil fuel use.
  • Sulfur dioxide (SO2) showed significant correlations with other studied pollutants, indicating shared emission sources or atmospheric interactions.

Conclusions:

  • COVID-19 lockdowns demonstrably improved air quality by reducing key airborne pollutants.
  • The study underscores the significant impact of reduced fossil fuel consumption on urban air pollution.
  • Findings emphasize the need for sustainable development balancing economic progress with environmental protection for healthier societies.