Black carbon,
a component of soot, and potentially one of the most important contributors to climate change, rises into the atmosphere each time someone fires up a traditional cook - stove or switches on an older - model diesel vehicle.
Flaring only partially combusts the natural gas, and it releases many other hazardous pollutants such as black carbon, a major
component of soot, which poses many adverse health risks and also contributes significantly to climate disruption.
Researchers led by Baiqing Xu of the Chinese Academy drilled and analyzed five ice cores from various locations across the Tibetan Plateau, looking for black carbon (a key
component of soot) as well as organic carbon.
But a new report suggests that tackling emissions of two other short - lasting pollutants — methane and the black
component of soot — could slow expected warming by a full 0.5 ˚C beyond what targeting CO2 alone could accomplish by 2070.
Scientists are also trying to figure out the role that aerosol particles — including
a component of soot known as black carbon — play in influencing the behavior of Himalayan glaciers.
Over the last four to five years, black carbon —
a component of soot — has emerged as a major contributor to global climate change.
The fact that the city's bus fleet still depends on diesel, Artaxo warned, creates an even worse health hazard in the shape of emissions of black carbon, one of the main
components of soot and a pollutant that contributes to global warming.
Not exact matches
It would look like
soot to anyone else, much like this cross-member resembles a mere structural
component of the building to anyone not
of the Christian persuasion.
Concentrations
of two other chemicals in the ice cores, vanillic acid (a chemical formed when conifer forests burn) and non — sea salt sulfur (a primary
component in acid rain), helped distinguish between
soot from natural sources and that from industrial pollution.
Nicotine stains and
soot from the fireplace expressed the chemical history
of the living space even as they tinted the sculpture's plaster
components.
TreeHugger has written about the growing acknowledgement that
soot pollution is a major
component of global warming — contributing a shocking amount to melting
of glaciers in the Himalayas is just one example.
TreeHugger has written about the growing acknowledgement that
soot pollution is a major
component of global warming — contributing a shocking amount to melting
of glaciers in the Himalayas is just
Accurate modeling
of soot is a critical
component in climate models.
The Environmental Protection Agency blames
soot for tens
of thousands
of premature deaths and hospitalizations every year in the United States; and according to a new study published in the Journal
of Geophysical Research, a
soot component — black carbon — is the second largest contributor to climate change, coming in just behind carbon dioxide.
That is 227 million tonnes
of carbon per year and considered to be more than averagely harmful because
of the black carbon (
soot)
component.