Sentences with phrase «pollution sources»

But, to develop comprehensive and accurate inventories, industries, government agencies and scientists first must know the location of pollution sources.
She wants to figure out which populations the pollution might be affecting, and where it is interacting with other pollution sources.
There are also advantages in testing in remote regions, far away from pollution sources, because samples are not distorted by local activities, and so the results provide a global picture.
This phase requires that investigators use genetic techniques to distinguish human and animal sources, which can indicate different pollution sources.
That's almost entirely because there are more pollution sources — power plants, industries and vehicles — in the eastern half.
In fact, volcanoes are a huge atmospheric pollution source worldwide.
The information is important for creating and adjusting policies that could cut pollution sources that directly affect melting ice.
Other pollution sources, including the power sector, industry, biomass burning, and vehicle traffic, each made smaller contributions to the death total, the study concluded.
Students examine some methods of reducing emissions from pollution sources.
Existing estimates have been hampered by gaps in air pollution data, particularly in the developing world, and a lack of knowledge about how specific air pollution sources contribute to the risk of disease and death.
«We have to control methane immediately, and natural gas is the largest methane pollution source in the United States,» said Robert Howarth, the David R. Atkinson Professor of Ecology and Environmental Biology, who explains in an upcoming journal article that Earth may reach the point of no return if average global temperatures rise by 1.5 to 2 degrees Celsius in future decades.
Conversely, specific oxidation processes can lead to depletion of GEM in the upper troposphere and lower stratosphere (36), and GEM concentrations in the boundary layer could be relevant information when measured far from large pollution sources (e.g., at Summit).
«We have to control methane immediately, and natural gas is the largest methane pollution source in the United States,» said Howarth, who explains in an upcoming journal article that Earth may reach the point of no return if average global temperatures rise by 1.5 to 2 degrees Celsius in future decades.
In addition to research, the organization also works on the policy side of the problem, such as promoting bans on pollution sources like personal care products containing microbeads.
Principal stationary pollution sources include chemical plants, coal - fired power plants, oil refineries, petrochemical plants, nuclear waste disposal activity, incinerators, large livestock farms (dairy cows, pigs, poultry, etc.), PVC factories, metals production factories, plastics factories, and other heavy industry.
Traffic is also a significant pollution source for East St. Louis residents, as the city sits at the intersection of three interstate highways and U.S. Highway 40.
Principal stationary pollution sources include chemical plants, coal - fired power plants, oil refineries, nuclear waste disposal activity, incinerators, large animal farms, PVC factories, metals production factories, plastics factories, and other heavy industry.
Several studies have established correlations between pollution sources and negative public health outcomes, McCoy said.
And, as we were shutting down carbon pollution sources like Danskammer, we simultaneously opened new paths for a clean energy future by using the power of the law to advance clean energy programs in California, Hawaiʻi and across the country.
The deadliest outdoor pollution source — accounting for 31 %, or about 1 million, of premature deaths in 2010 — is residential energy use, such as furnaces.
In a final step, they estimated the fraction of deaths in each square attributable to a specific pollution source, including automobiles, power plants, in - home energy generation, and farm activities such as burning crop residues.
Regularly checking oil and gas facilities for leaky equipment is the most effective way to identify both big pollution sources — which our study focused on — but also smaller sources that together make up a significant share of industry emissions.
Depending on the category, a local map might show the level of pollution compared to other U.S. counties, as well as pollution sources (in the case of specific factories or manufacturing centers).
Kirk Smith, a professor of global environmental health at the University of California Berkeley, observed that there are anti-pollution laws in India but they aren't enforced well, so while major cities can ban pollution sources like brick kilns from within their boundaries, they can't stop exhaust from blowing over from the perimeter.
The measure, which promises to provide information on water pollution sources, now will be discussed with the city's Park District and the Village of Lakewood, which shares jurisdiction of the lake and is being asked to foot roughly one - third of the bill.
«The housing stock also sits directly on a major interstate, so obviously you're going to have an impact from mobile pollution sources, too.»
But policymakers seeking to reduce the death toll will need to clamp down on a wide array of potentially hard to control pollution sources — including household furnaces and agricultural activities — that are expected to play a growing role, researchers report today in Nature.
This result defies conventional wisdom and suggests that distant pollution sources may have a greater effect on anvil clouds than do local sources.
The ice core data revealed that BC reached values of 20 - 50 ng / g in the 1950s and 1960s for the four stations that are downwind of European pollution sources.
Along with greenhouse gases, black soot from upwind pollution sources threatens to eliminate glaciers from the Tibetan Plateau during the 21st century.
Overall the models seem to have too much BC above the surface over pollution sources but they also do not transport enough BC to remote regions like the Arctic.
However, it can also be affected by indoor pollution sources such as tobacco smoking and unvented cooking or heating appliances using gas.
The Portland Generating Station was shut down in 2014 — the first EPA action to override state regulators on a single pollution source — in that case, sulfur dioxide.
Lelieveld, J., J. S. Evans, M. Fnais, D. Giannadakii, and A. Pozzer, 2015: The contribution of outdoor air pollution sources to premature mortality on a global scale.
Cargo vessels tend to be some of the biggest carbon pollution sources in the entire transportation sector.
Water quality assessment and apportionment of pollution sources of Gomti river (India) using multivariate statistical techniques — a case studyKP Singh, A Malik, S Sinha — Analytica Chimica Acta, 2005 — Elsevier
«Tunnels are interesting because they represent only local pollution sources.
5.4 For particulate matter, uncertainties remain regarding the precise contribution of different pollution sources to health effects, as well as regarding the precise contribution of the different components of particulate matter.
The action resulted in environmental groups visiting more than hundred House of Representative offices to ask for their support for EPA's efforts to safeguard our communities from toxic mercury, arsenic, soot, hexavalent chromium, and carbon dioxide from the nation's largest pollution sources, including coal plants, oil refineries, and factories.
Algal blooms occur naturally, but pollution sources like fertilizer runoff and animal agriculture has knocked natural nutrient cycling out of balance.
Without water quality data, pollution sources and impacts can not be identified.
The plight of Richmond, within a ring of five refineries, three chemical plants, eight Superfund sites and numerous other pollution sources, has turned many local residents of all colors into activists, and drawn the attention of sociologists, legal scholars and scientists.
Using global inventories of pollution sources, they simulate air pollution plumes so that satellites can observe what happens when these modeled plumes interact with Arctic clouds.
«A new look at air pollution sources and atmosphere - warming particles in South Asia.»
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