Sentences with phrase «year emissions inventory»

Help cities establish a base year emissions inventory, set reduction targets, and track their performance

Not exact matches

Further analysis found that the emissions associated with the natural gas production to feed the project would add a further five to nine million tonnes per year to Canada's emissions inventory.

Since 1990, the first year the U.S. kept the inventory, carbon dioxide emissions - largely energy - related emissions and the most prevalent greenhouse gas - rose just 5.4 percent.

The EPA, created two years later, kept revising the estimates as they became more widely used in emission inventories depicting pollution levels and sources around the country

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.

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.

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.

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.

But policymakers typically ignore methane's warming potential over 20 years (GWP20) when assembling a nation's emissions inventory.

The U.S. Environmental Protection Agency Inventory of U.S. Greenhouse Gas Emissions and Sinks (2005) has the CO2 lifetime listed as 5 - 200 years, for example [1].

we use global - scale atmospheric CO2 measurements, CO2 emission inventories and their full range of uncertainties to calculate changes in global CO2 sources and sinks during the past 50 years.

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.

RCP4.5 also employed updated historical data series by calibrating to the year 2000 consensus emissions inventories from Lamarque et al. (2010), and the HYDE crop and pasture land use history (Klein Goldewijk et al. 2010) as well as implementing a new representation of residue biomass supply (Gregg and Smith 2010).

Jeong spent eight years working for SK Energy co., LTD. in Seoul, where she managed a number of projects including the establishment of a greenhouse gas inventory system and South Korea's first internal greenhouse gas emission trading system, among other things.

According to the 2014 EPA Inventory of US GHG Emissions and Sinks, the substitution of ODS with chemicals used as ODS alternatives, such as HFCs, accounts for 159 MMT CO2e / year.

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.

Detailed analysis of the results suggests that year - round surface emissions of CO, probably from fossil fuel burning in East Asia, and seasonal biomass burning emissions in South - central Africa, are greatly underestimated in current inventories used to drive models.

The country developed its last official national GHG inventory for the 2005 calendar year, which makes it challenging to get an accurate read on current non-CO2 GHG emissions.

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.

According to the Environmental Protection Agency's (EPA) National Emissions Inventory, US coal power plants emitted 45,676 pounds of mercury in 2014 (the latest year data is available).

Despite Queensland traditionally accounting for the bulk of land - clearing in Australia, the federal government's greenhouse gas inventory for the 2015 - 16 year showed emissions from land use changes only amounted to 1.7 million tonnes.

In 2015, the last year for which the Environmental Protection Agency (EPA) has published comprehensive inventory numbers, energy - related CO2 emissions accounted for 77 % of gross US GHG emissions, with the remainder coming from direct CO2 emitted in industrial processes as well emissions of methane, nitrous oxide, and other greenhouse gasses.

500 years of mercury production: Global annual inventory by region until 2000 and associated emissions

According to the U.S. Environmental Protection Agency's 2014 GHG inventory, the U.S. agriculture sector is responsible for 516 million metric tons, or eight percent, of domestic GHG emissions per year.

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.