Volatile chemical products emerging as largest petrochemical source of urban organic emissions

BC McDonald, JA De Gouw, JB Gilman, SH Jathar… - Science, 2018 - science.org
A gap in emission inventories of urban volatile organic compound (VOC) sources, which
contribute to regional ozone and aerosol burdens, has increased as transportation …

The changing face of urban air pollution

AC Lewis - Science, 2018 - science.org
The atmospheric chemistry that leads to photochemical smog and climate-active aerosols
requires the presence of volatile organic compounds (VOCs)(1, 2). The VOCs in urban air …

Temperature-dependent emissions dominate aerosol and ozone formation in Los Angeles

EY Pfannerstill, C Arata, Q Zhu, BC Schulze, R Ward… - Science, 2024 - science.org
Despite declines in transportation emissions, urban North America and Europe still face
unhealthy air pollution levels. This has challenged conventional understanding of the …

Observations confirm that volatile chemical products are a major source of petrochemical emissions in US cities

GI Gkatzelis, MM Coggon, BC McDonald… - … science & technology, 2021 - ACS Publications
Despite decades of declining air pollution, urban US areas are still affected by summertime
ozone and wintertime particulate matter exceedance events. Volatile organic compounds …

Volatile chemical product emissions enhance ozone and modulate urban chemistry

MM Coggon, GI Gkatzelis… - Proceedings of the …, 2021 - National Acad Sciences
Decades of air quality improvements have substantially reduced the motor vehicle
emissions of volatile organic compounds (VOCs). Today, volatile chemical products (VCPs) …

Active atmosphere-ecosystem exchange of the vast majority of detected volatile organic compounds

JH Park, AH Goldstein, J Timkovsky, S Fares, R Weber… - Science, 2013 - science.org
Numerous volatile organic compounds (VOCs) exist in Earth's atmosphere, most of which
originate from biogenic emissions. Despite VOCs' critical role in tropospheric chemistry …

Reactive organic carbon emissions from volatile chemical products

KM Seltzer, E Pennington, V Rao… - Atmospheric …, 2020 - acp.copernicus.org
Volatile chemical products (VCPs) are an increasingly important source of anthropogenic
reactive organic carbon (ROC) emissions. Among these sources are everyday items, such …

Secondary organic aerosol formed by condensing anthropogenic vapours over China's megacities

W Nie, C Yan, DD Huang, Z Wang, Y Liu, X Qiao… - Nature …, 2022 - nature.com
Secondary organic aerosol contributes a significant fraction to aerosol mass and toxicity.
Low-volatility organic vapours are critical intermediates connecting the oxidation of volatile …

A larger pool of ozone-forming carbon compounds in urban atmospheres

AC Lewis, N Carslaw, PJ Marriott, RM Kinghorn… - Nature, 2000 - nature.com
Volatile organic compounds play a central role in the processes that generate both urban
photochemical smog and tropospheric ozone,. For successful and accurate prediction of …

Volatile chemical product enhancements to criteria pollutants in the United States

KM Seltzer, BN Murphy, EA Pennington… - … science & technology, 2021 - ACS Publications
Volatile chemical products (VCPs) are a significant source of reactive organic carbon
emissions in the United States with a substantial fraction (> 20% by mass) serving as …