Document Detail

Simultaneously mitigating near-term climate change and improving human health and food security.
MedLine Citation:
PMID:  22246768     Owner:  NLM     Status:  In-Data-Review    
Tropospheric ozone and black carbon (BC) contribute to both degraded air quality and global warming. We considered ~400 emission control measures to reduce these pollutants by using current technology and experience. We identified 14 measures targeting methane and BC emissions that reduce projected global mean warming ~0.5°C by 2050. This strategy avoids 0.7 to 4.7 million annual premature deaths from outdoor air pollution and increases annual crop yields by 30 to 135 million metric tons due to ozone reductions in 2030 and beyond. Benefits of methane emissions reductions are valued at $700 to $5000 per metric ton, which is well above typical marginal abatement costs (less than $250). The selected controls target different sources and influence climate on shorter time scales than those of carbon dioxide-reduction measures. Implementing both substantially reduces the risks of crossing the 2°C threshold.
Drew Shindell; Johan C I Kuylenstierna; Elisabetta Vignati; Rita van Dingenen; Markus Amann; Zbigniew Klimont; Susan C Anenberg; Nicholas Muller; Greet Janssens-Maenhout; Frank Raes; Joel Schwartz; Greg Faluvegi; Luca Pozzoli; Kaarle Kupiainen; Lena Höglund-Isaksson; Lisa Emberson; David Streets; V Ramanathan; Kevin Hicks; N T Kim Oanh; George Milly; Martin Williams; Volodymyr Demkine; David Fowler
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  335     ISSN:  1095-9203     ISO Abbreviation:  Science     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-01-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  United States    
Other Details:
Languages:  eng     Pagination:  183-9     Citation Subset:  IM    
NASA Goddard Institute for Space Studies and Columbia Earth Institute, Columbia University, New York, NY 10025, USA.
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