Sentences with phrase «emission inventories of»

Now, an expert U.N. panel has come up with a technical road map to guide the first global effort to create a standardized emissions inventory of tiny soot particles.

DLR has also produced emissions inventories of scheduled international aviation only for each year from 1982 through 1992, and for total scheduled aviation for 1986 and 1989.

«To do so, we weighted the complete emissions inventories of each system, not just greenhouse gases, by using a commonly used impact assessment method.

Not exact matches

Also, a widespread problem in industry with waste — of time, inventory, labor, and emissions — provides a great deal of work for consulting companies in China, Ding says.

The LCA examined the effects of a 1 kilogram industry - average corrugated product manufactured in 2014 on seven environmental impact indicators: global warming potential (greenhouse gas emissions), eutrophication, acidification, smog, ozone depletion, respiratory effects, fossil fuel depletion; and four inventory indicators: water use, water consumption, renewable energy demand, and non-renewable energy demand.

Life cycle inventory of greenhouse gas emissions and use of energy and land in Brazilian beef production;

The final Erie County plan will summarize results of greenhouse gas emission inventories, set short - term and long - term energy goals, define new operations policies and changes to existing policies, identify implementation strategies and projects, present a detailed timeline for implementation and identify funding opportunities.

The projects that would help the region reach 80 percent cuts are ambitious: an inventory of greenhouse gas emissions in the eight participating counties, more energy efficient power generation through wind farms and solar power, the expansion of inter-city mass transit and a region - wide electric vehicle infrastructure, among many others.

EPA's greenhouse gas inventory released yesterday shows that the transportation and electricity sectors now supply about the same amount of U.S. carbon dioxide emissions.

The EPA inventory is comparatively uncontroversial, skirting policy issues in favor of emissions data.

EPA inventory data suggests that emissions from local distribution systems are thought to make up approximately 20 percent of the total from the entire natural gas supply chain.

Current, sulfur dioxide monitoring activities include the use of emission inventories that are derived from ground - based measurements and factors, such as fuel usage.

«Current emission inventories do not account for cultural burning practices in Asia as aerosol sources,» said Chakrabarty, who is originally from the Northeastern region of India.

In 1989, for example, the Office of Technology Assessment — a now - defunct, nonpartisan science adviser to Congress — reported many U.S. metropolitan areas had not met their goals for controlling smog - forming ozone in part because of inaccurate emission inventories.

About a third of the factors used to estimate pipeline leaks and other natural gas emissions in the most recent inventory, for 2015, are based on a 1996 study by the EPA and an industry group then known as the Gas Research Institute.

What's in the Emissions What she found was that some 1.1 billion tons of waste, more than 40 percent of the world's garbage, is burned in open piles, contributing more emissions than is shown in regional and global invEmissions What she found was that some 1.1 billion tons of waste, more than 40 percent of the world's garbage, is burned in open piles, contributing more emissions than is shown in regional and global invemissions than is shown in regional and global inventories.

Its emissions of methane between 1990 and 2013 have fallen by 15 percent, according to U.S. EPA, though some studies have suggested that methane inventories may be faulty.

It is also higher than calculations by the EPA, which revised its methodology last year and roughly doubled the official US inventory of emissions from the natural - gas industry over the past decade.

Lead UK researcher Prof Dabo Guan, of UEA's School of International Development, said the key contributor to the new estimates was fuel quality, which for the first time was taken into consideration in establishing emission inventories — something the Intergovernmental Panel on Climate Change (IPCC) and most international data sources had not.

The researchers also aim to rely on the inventories to better assess the impact of pollutant emissions on the health of Africa's urban populations.

On the basis of the inventories for 2005, the researchers estimated African pollutant emissions for 2030 using three scenarios.

Some cities, especially in the developing world, simply don't have access to the kind of data needed for a comprehensive inventory; Maleki says he often works in places where the only emissions data available are on a national scale.

Air pollutant emission inventories are essential in measuring the impact of pollution on air quality and the climate, as they are fed into atmospheric and climate models to make projections for the future.

The work included data from a variety of sources, including national emissions inventories kept by the United Nations, global estimates of energy use and direct measurements of atmospheric CO2 concentrations, and involved dozens of authors from institutes around the world.

But the inventories showed a constant rate of emissions over the Salt Lake Valley, failing to capture the high CO2 growth rate in suburban areas.

That surge was fueled, in large part, because of a growing economy, falling coal prices and a cold winter, the U.S. Environmental Protection Agency announced Thursday in its annual greenhouse gas emissions inventory.

Reliable uncertainty estimates are needed for the prioritisation of research relating to the development of greenhouse gas inventories and for the assessment of the importance of emission sources and carbon sinks.

The team compared their results to four inventories of global carbon emissions to see if the same trend held.

In promulgating the inventory required by this paragraph and the schedule required under by paragraph (2)(C), the Administrator shall use the most current emissions data available at the time of promulgation, except as provided in subparagraph (B).

«(C) the reduction in emissions from deforestation has occurred before the issuance of the international offset credit and, taking into consideration relevant international standards, has been demonstrated using ground - based inventories, remote sensing technology, and other methodologies to ensure that all relevant carbon stocks are accounted;

We carry out research, testing and development of air quality measuring methods and equipment, emission inventories, dispersion models and the chemical analyses of air quality.

But the new Purdue study suggests the EPA's inventories may not be quantifying all the methane emissions from wells being drilled because few people have measured methane leaking from wells in the earliest stage of well development — the actual drilling itself.

A University of Texas study found last year that natural gas wells leak methane at about the rate reported in U.S. Environmental Protection Agency methane emission inventories, and the leaks can be contained with emissions control technology.

The industrial emissions examined in the new study were reported by close to 16,000 industrial facilities in the continental U.S. as part of the EPA's toxics release inventory program.

EPA inventories are compiled using the industry's own measurements of emissions at well sites.

The EPA's most recent geenhouse gas inventories show that natural gas production and distribution is the second largest source of methane emissions nationwide, just behind methane emissions from livestock.

GHG emissions inventories are used by policy makers to understand sources of emissions, to develop strategies to reduce GHGs, and to track progress.

The site includes a number of protocols developed to assist members and verifiers in the process of calculating, reporting, and verifying an emissions inventory.

ACRP Report 11: Guidebook on Preparing Airport Greenhouse Gas Emissions Inventories provides a framework for identifying and quantifying specific components of airport contributions to greenhouse gas emissioEmissions Inventories provides a framework for identifying and quantifying specific components of airport contributions to greenhouse gas emissionsemissions (GHG).

NMIM uses current versions of MOBILE6 and NONROAD to calculate emission inventories, based on multiple input scenarios that users can enter into the system, and can be used to calculate national or individual state or county inventories.

An emissions inventory identifies and quantifies the sources and sinks (e.g., forests) of greenhouse gases (GHG).

The inventory is usually comprised of these factors: the chemical or physical identity of the pollutants included, the geographic area covered, the time period over which emissions are estimated, and the types of activities that cause the emissions.

This guidebook can be used by airport operators and others to prepare an airport - specific inventory of greenhouse gas emissions.

5 mo.) Date: Mileage: Source: Comments: 04/21/2015 15,051 Texas Motor Vehicle Dept. Little Elm, TX Title # Title issued or updated New owner reported Loan or lien reported Vehicle color noted as Gray 06/17/2015 18,089 AutoNation Ford Frisco Frisco, TX Maintenance inspection completed Recommended maintenance performed Oil and filter changed Tires rotated 07/01/2015 18,135 AutoNation Nissan Lewisville Lewisville, TX Vehicle serviced 07/03/2015 AutoNation Ford Frisco Frisco, TX Maintenance inspection completed Battery / charging system checked Brakes checked Oil and filter changed Tire condition and pressure checked Tires rotated 11/10/2015 25,906 AutoNation Nissan Lewisville Lewisville, TX Maintenance inspection completed Battery / charging system checked Brakes checked Tire condition and pressure checked Tires rotated 02/23/2016 31,773 TAS of Denton Denton, TX Tire valve stem (s) / core (s) replaced Tire (s) balanced 05/05/2016 35,890 Texas Inspection Station Little Elm, TX Passed emissions inspection 05/13/2016 Texas Motor Vehicle Dept. Little Elm, TX Title # Registration issued or renewed Loan or lien reported Passed safety inspection Vehicle color noted as Gray 06/08/2016 38,231 Brakes Plus # 309 Little Elm, TX Oil and filter changed 10/17/2016 45,339 Dealer Inventory Vehicle offered for sale 10/18/2016 Dealer Inventory Vehicle offered for sale 10/21/2016 Texas Motor Vehicle Dept. Little Elm, TX Title # Title issued or updated Vehicle color noted as Gray Loan or lien released 10/31/2016 Texas Inspection Station Little Elm, TX Passed emissions inspection 12/19/2016 45,500 Dealer Inventory Vehicle offered for sale Have Questions?

We find (i) measurements at all scales show that official inventories consistently underestimate actual CH4 [methane] emissions, with the natural gas and oil sectors as important contributors; (ii) many independent experiments suggest that a small number of «super-emitters» could be responsible for a large fraction of leakage; (iii) recent regional atmospheric studies with very high emissions rates are unlikely to be representative of typical natural gas system leakage rates; and (iv) assessments using 100 - year impact indicators show system - wide leakage is unlikely to be large enough to negate climate benefits of coal - to - natural gas substitution.

These data show an increase of sulfur in Greenland ice cores from the 1940's to the 1980's and a decrease thereafter, in line with northern American emission inventories.

«Our study indicates that emissions due to ruminants and manure are up to twice the magnitude of existing inventories.

In addition, the discrepancy in methane source estimates is particularly pronounced in the south - central United States, where we find total emissions are ∼ 2.7 times greater than in most inventories and account for 24 ± 3 % of national emissions.

Hamburg: Our study reinforces the fact that specific source types for methane are higher than current E.P.A. and EDGAR inventories suggest, and they do indeed need more attention because emissions in some regions of the US appear to be substantially higher than previously estimated.

Additionally, a recent comprehensive study of measured natural gas emission rates versus «official» inventory estimates found that the inventories consistently underestimated measured emissions and hypothesized that one explanation for this discrepancy could be a small number of high - emitting wells or components (33).