Mario J. Molina
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View article: Identifying Airborne Transmission as the Dominant Route for the Spread of COVID-19
Identifying Airborne Transmission as the Dominant Route for the Spread of COVID-19 Open
Various mitigation measures have been implemented to fight the coronavirus disease 2019 (COVID-19) pandemic, including widely adopted social distancing and mandated face covering. However, assessing the effectiveness of those intervention …
View article: Identifying airborne transmission as the dominant route for the spread of COVID-19
Identifying airborne transmission as the dominant route for the spread of COVID-19 Open
Various mitigation measures have been implemented to fight the coronavirus disease 2019 (COVID-19) pandemic, including widely adopted social distancing and mandated face covering. However, assessing the effectiveness of those intervention …
View article: Carbenium ion-mediated oligomerization of methylglyoxal for secondary organic aerosol formation
Carbenium ion-mediated oligomerization of methylglyoxal for secondary organic aerosol formation Open
Significance Secondary organic aerosol (SOA) from photochemical oxidation of volatile organic compounds represents one of the most dominant constituents of fine particulate matter in the troposphere, with profound implications for air qual…
View article: An unexpected catalyst dominates formation and radiative forcing of regional haze
An unexpected catalyst dominates formation and radiative forcing of regional haze Open
Significance Regional haze adversely affects human health and possibly counteracts global warming by greenhouse gases, but its formation and radiative forcing remain unclear. Here we present field measurements to show reduced frequency but…
View article: Remarkable nucleation and growth of ultrafine particles from vehicular exhaust
Remarkable nucleation and growth of ultrafine particles from vehicular exhaust Open
Significance High concentrations of ultrafine particles (UFPs), approaching 1 million/cm 3 , are frequently produced from new particle formation under urban environments, but the fundamental mechanisms regulating nucleation and growth for …
View article: Adverse organogenesis and predisposed long-term metabolic syndrome from prenatal exposure to fine particulate matter
Adverse organogenesis and predisposed long-term metabolic syndrome from prenatal exposure to fine particulate matter Open
Significance Although exposure to fine particulate matter (PM) during pregnancy is linked to high risks of adverse pregnancy outcomes and long-term postnatal health, limited mechanistic data exist to assess these impacts under controlled e…
View article: In utero ultrafine particulate matter exposure causes offspring pulmonary immunosuppression
In utero ultrafine particulate matter exposure causes offspring pulmonary immunosuppression Open
Significance Particulate matter exposure causes infant respiratory morbidity and mortality, but the role of ultrafine particles (UFPs) with an aerodynamic diameter of less than 0.1 μm in asthma and respiratory tract infections is unclear. …
View article: Reassessing the atmospheric oxidation mechanism of toluene
Reassessing the atmospheric oxidation mechanism of toluene Open
Significance Aromatic hydrocarbons account for 20 to 30% of volatile organic compounds and contribute importantly to ozone and secondary organic aerosol (SOA) formation in urban environments. The oxidation of toluene, the most abundant aro…
View article: Visualization data on the freezing process of micrometer-scaled aqueous citric acid drops
Visualization data on the freezing process of micrometer-scaled aqueous citric acid drops Open
The visualization data (8 movies) presented in this article are related to the research article entitled "Freezing and glass transitions upon cooling and warming and ice/freeze-concentration-solution morphology of emulsified aqueous citric…
View article: Persistent sulfate formation from London Fog to Chinese haze
Persistent sulfate formation from London Fog to Chinese haze Open
Significance Exceedingly high levels of fine particulate matter (PM) occur frequently in China, but the mechanism of severe haze formation remains unclear. From atmospheric measurements in two Chinese megacities and laboratory experiments,…
View article: Improving our fundamental understanding of the role of aerosol−cloud interactions in the climate system
Improving our fundamental understanding of the role of aerosol−cloud interactions in the climate system Open
The effect of an increase in atmospheric aerosol concentrations on the distribution and radiative properties of Earth’s clouds is the most uncertain component of the overall global radiative forcing from preindustrial time. General circula…
View article: Markedly enhanced absorption and direct radiative forcing of black carbon under polluted urban environments
Markedly enhanced absorption and direct radiative forcing of black carbon under polluted urban environments Open
Significance Although black carbon (BC) represents a key short-lived climate forcer, its direct radiative forcing remains highly uncertain. The available results from available studies of absorption enhancement of BC particles during atmos…
View article: Hydrofluorocarbon (HFC) Emissions in China: An Inventory for 2005–2013 and Projections to 2050
Hydrofluorocarbon (HFC) Emissions in China: An Inventory for 2005–2013 and Projections to 2050 Open
Many hydrofluorocarbons (HFCs) that are widely used as substitutes for ozone-depleting substances (now regulated under the Montreal Protocol) are very potent greenhouse gases (GHGs). China’s past and future HFC emissions are of great inter…