Sentences with phrase «emissions inventories at»

Naturally burning timber and brush launch what are called fine particles into the air at a rate three times as high as levels noted in emissions inventories at the U.S. Environmental Protection Agency, according to a new study.

Not exact matches

WASHINGTON (Reuters)- U.S. greenhouse gas emissions fell nearly 10 percent from 2005 to 2012, more than halfway toward the U.S.'s 2020 target pledged at United Nations climate talks, according to the latest national emissions inventory.

Payne and two other scientists wrote a letter to the U.S. delegation at the United Nations» climate change summit this month suggesting that the United Nations Framework Convention on Climate Change require nations to use a 10 - year global warming potential, or GWP10, in their emissions inventory.

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).

Reporting is done by Parties by submitting annual emission inventories and national reports under the Protocol at regular intervals.

«If Howard's right, we'll need to review other emission estimates used in EPA inventories,» said Robert Jackson, an earth science professor at Stanford University who studies methane leaks.

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.

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

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.

As such, the inventories are very detailed in itemizing emissions, but uncertainties compound when looking at the total.

In 2013 (the last year for which Massachusetts emissions inventory data are available), state - wide emissions clocked in at 78.0 million metric tons — with most of this reduction having come from the electric sector.

Unlike the traditional GHG emissions inventory which only accounts for carbon emissions associated with energy use in buildings and fuel burned in local vehicles, the Consumption - Based Emissions Inventory for San Francisco looks at carbon impacts of the full lifecycle of goods and emissions inventory which only accounts for carbon emissions associated with energy use in buildings and fuel burned in local vehicles, the Consumption - Based Emissions Inventory for San Francisco looks at carbon impacts of the full lifecycle of goods and inventory which only accounts for carbon emissions associated with energy use in buildings and fuel burned in local vehicles, the Consumption - Based Emissions Inventory for San Francisco looks at carbon impacts of the full lifecycle of goods and emissions associated with energy use in buildings and fuel burned in local vehicles, the Consumption - Based Emissions Inventory for San Francisco looks at carbon impacts of the full lifecycle of goods and Emissions Inventory for San Francisco looks at carbon impacts of the full lifecycle of goods and Inventory for San Francisco looks at carbon impacts of the full lifecycle of goods and services.

«(B) The Administrator shall include in the inventory under this paragraph each source category that is responsible for at least 10 percent of the uncapped methane emissions in 2005.

--(A) Within 12 months after the date of enactment of this title, the Administrator shall publish under section 111 (b)(1)(A) an inventory of categories of stationary sources that consist of those categories that contain sources that individually had uncapped greenhouse gas emissions greater than 10,000 tons of carbon dioxide equivalent and that, in the aggregate, were responsible for emitting at least 20 percent annually of the uncapped greenhouse gas emissions.

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).

If the proposed nomenclature change is adopted by the United Nations, which collects greenhouse gas inventories from nations every year, it could change the optics of the climate change reductions nations are implementing, said Bryce Payne, director of science and technology at Gas Safety Inc., a company that measures methane emissions.

Payne and two other scientists wrote a letter to the U.S. delegation at the United Nations» climate change summit this month suggesting that the United Nations Framework Convention on Climate Change require nations to use a 10 - year global warming potential, or GWP10, in their emissions inventory.

We compare aircraft observations to modeled CH4 distributions by accounting for a) transport using the Stochastic Time - Inverted Lagrangian Transport (STILT) model driven by Weather Research and Forecasting (WRF) meteorology, b) emissions from inventories such as EDGAR and ones constructed from California - specific state and county databases, each gridded to 0.1 ° x 0.1 ° resolution, and c) spatially and temporally evolving boundary conditions such as GEOS - Chem and a NOAA aircraft profile measurement derived curtain imposed at the edge of the WRF domain.

For example, if a company does not include a certain set of sources that the verifier thinks should be included, and those sources are estimated to emit more than the materiality threshold, this would be material discrepancy and emissions from at least some of those sources would need to be inventoried.

I would reckon that this is the case (at least for the NH) as recent emission inventories suggest.

At the USEPA, he was lead author of the official U.S. GHG emissions inventory.

SBSTA 19 also welcomed the report by the IPCC entitled Definitions and Methodological Options to Inventory Emissions from Direct Human - Induced Degradation of Forests and Devegetation of Other Vegetation Types and decided to further consider the information in this report at its twentieth session.

Reliable GHG inventories are essential, both at national and international level, for: assessing the international community's collective and individual efforts to address climate change and progress toward meeting the ultimate objective of the Convention; evaluating mitigation options; assessing the effectiveness of policies and measures; making long - term emission projections; providing the foundation for emission trading schemes.

The Edgar 4.0 inventory has rice at 33 mega tonnes and enteric fermentation at 96 mega tonnes and fugitive emissions from oil and gas at 72 mega tonnes.

Reporting is done by Parties by submitting annual emission inventories and national reports under the Protocol at regular intervals.

And not only are we reducing carbon emissions while growing our economy, the latest EPA Greenhouse Gas Inventory shows oil and gas system methane emissions have also decreased significantly in recent years at the same time oil and gas production has skyrocketed.

Global greenhouse gas inventories currently do not include emissions from reservoirs at all, but that is changing.