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07:12
Façade-Level Monitoring of CO2 Variability under Urban Heat Island Conditions using Low-Cost Sensor Data Loggers
Published on: December 12, 2025
Simultaneously mitigating near-term climate change and improving human health and food security
Drew Shindell1, Johan C I Kuylenstierna, Elisabetta Vignati
1NASA Goddard Institute for Space Studies and Columbia Earth Institute, Columbia University, New York, NY 10025, USA. drew.t.shindell@nasa.gov
Science (New York, N.Y.)
|January 17, 2012
Summary
Implementing 14 emission control measures can significantly reduce global warming and air pollution. This strategy avoids millions of premature deaths and boosts crop yields, offering substantial economic benefits.
Area of Science:
- Atmospheric Chemistry
- Climate Science
- Public Health
Background:
- Tropospheric ozone and black carbon (BC) are significant contributors to both air quality degradation and global warming.
- Current emission control technologies and practices offer potential pathways to mitigate these pollutants.
Purpose of the Study:
- To identify effective emission control measures for reducing tropospheric ozone and black carbon (BC).
- To quantify the impacts of these measures on global warming, air quality, and crop yields.
Main Methods:
- Consideration of approximately 400 emission control measures.
- Identification of 14 key measures targeting methane and BC emissions.
- Analysis of projected impacts on global mean warming, premature mortality, and crop yields.
Main Results:
- A strategy of 14 selected measures reduces projected global mean warming by approximately 0.5°C by 2050.
- This strategy avoids 0.7 to 4.7 million annual premature deaths from outdoor air pollution.
- Annual crop yields are projected to increase by 30 to 135 million metric tons due to ozone reductions.
Conclusions:
- Methane emission reductions offer substantial economic benefits, with values well exceeding abatement costs.
- The selected controls provide climate benefits on shorter timescales compared to carbon dioxide reduction measures.
- Implementing these measures alongside carbon dioxide reductions significantly decreases the risk of exceeding the 2°C warming threshold.
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