The tables provide comparisons of implied emission factors and activity data as reported in the common reporting format, data from international sources, emissions, information on methods used and
emission factors as reported by parties.
In this paper, the term methodological issues encompasses aspects of statistical data and
emission factors as well as algorithms to estimate emissions.
Not exact matches
«
As for all electric vehicles, a grid
emission factor of 0.5 g CO2 / Wh was also applied to the electric energy consumption.
Combining the generation data, project location, and eGRID
emissions factor, NEC estimated the amount of carbon dioxide, methane, and nitrous oxide (measured together
as metric tons of CO2 Eq.)
The
emissions maths
factored in the carbon cost of producing and processing ingredients,
as well
as how they were packaged, transported and cooked.
And many analysts view gas
as a growing piece of a puzzle of policy and economic
factors that could keep U.S. carbon
emissions in check through 2035.
Since 1950, world population has risen by a
factor of 2.7, but our use of materials such
as metals and oil has quadrupled, and greenhouse gas
emissions are up more than fivefold.
Current, sulfur dioxide monitoring activities include the use of
emission inventories that are derived from ground - based measurements and
factors, such
as fuel usage.
Barnard and his team predicted how SoCal's shores would evolve from 2010 through 2100 by modeling the
factors that influence beaches — estimates for sea level rise
as well
as wave and storm behavior and predicted climate change patterns if the world eventually stabilizes its greenhouse gas
emissions by mid-century, then starts reducing them.
But this outcome is not a given and depends on a variety of
factors that can impact black carbon
emissions such
as engine design, fuel composition and geographic location.
California's Bay Area Air Quality Management District changed its approach after studies showed leaks from oil refineries in the area — known
as fugitive
emissions — were likely underrepresented in
emission factors.
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.
Factors such
as dairy cow breed and nonproduction variables may also have an effect on GHG
emissions on organic dairy farms.
At present, nations report methane
emissions in terms of CO2 equivalents, using GWP100
as the conversion
factor.
Some of the
factors influencing ammonia
emission — such
as seasons — are beyond a farmer's control.
«To mitigate the effects of climate change, we can talk about two types of options: to attack it at its origin, by eliminating or reducing the human
factors that contribute to it (such
as, reducing
emissions, controlling pollution, etc.) or developing strategies that allow for its effects to be reduced, such
as, in the case that concerns us, increasing green areas in cities, using, for example, the tops of buildings
as green roofs,» states the University of Seville researcher, Luis Pérez Urrestarazu.
Hydrogen is clean - burning, producing only water vapor
as waste, so fuel - cell vehicles using hydrogen will be zero -
emission, an important
factor given the need to reduce air pollution.
Barthelemy says the model could also come in handy for estimating traffic delays, gas consumption and carbon dioxide
emissions, so that urban planners and policy makers can better understand how those different
factors evolve
as a city grows.
He notes that the FDA analyzed the environmental impact of POSILAC some 15 years ago (
as it assessed its safety) and at that time concluded that it might actually increase greenhouse
emissions slightly because of, among other
factors, the diesel expended to transport it to farms.
It is widely known that the terrestrial biosphere (the collective term for all the world's land vegetation, soil, etc.) is an important
factor in mitigating climate change,
as it absorbs around 20 % of all fossil fuel CO2
emissions.
And finally, what about Mark's questions (# 3) and other
factors not discussed here — do all these effects re Arctic ice lead scientists to believe there is a greater and / or earlier chance (assuming we continue increasing our GHG
emissions — business
as usual) of melting hydrates and permafrost releasing vast stores of methane into the atmosphere than scientists believed before the study, or is the assessment of this about the same, or scientists are not sure if this study indicates a greater / lesser / same chance of this?
As observed wildfires data from satellites only goes back to 1990s, the researchers used models to look further back in time and identify the influence of different
factors that may have impacted wildfire
emissions, says Arora:
We convert energy content to carbon content using
emission factors of Table 4.2 of [15] for coal, gas and conventional oil, and, also following [15],
emission factor of unconventional oil is approximated
as being the same
as for coal.
They also point out that there are other
factors to consider, such
as the deployment of such a system leading to political or military conflict, and the fact it ignores the acidification of the ocean, which is also caused by CO2
emissions.
Autoblog adds, «The study suggests that the increase in hybrid vehicle sales will be influenced by such
factors such
as increased pressure from government agencies to reduce fuel consumption and overall vehicle
emissions,
as well
as a drastic reduction in the cost of hybrid technology.»
The two largest
factors influencing wildfire
emissions included land use change, such
as the conversion of forests to cropland, and local population increases, the researchers say.
Changes in a variety of other
factors such
as operating procedures, aircraft routing, and load
factors can also have significant impacts on greenhouse gas
emissions per passenger mile.
Three
factors have improved
as a result:
Emissions, economy and in some models, performance.
In fact,
as Congress looks at offsets, we should
factor in the broader impact — such
as giving people $ 39 billion worth of lost time back; or saving 830 million gallons of fuel; or eliminating more than 17 billion pounds of greenhouse gas
emissions; or preventing more than 200,000 crashes.
Overall, Delphi favors a 3 - cylinder configuration
as opposed to a 4 - cylinder for reduced fuel consumption and regulated
emissions for a number of
factors, including better high load scavenging for high load performance.
Word has it the Cat Badge is ditching its current supercharged 3.0 - liter V - 6 in the U.K., citing tightening
emissions regulations and poor sales
as major contributing
factors in its demise.
Also, those wanting to assess the real worth to them can —
as applicable —
factor in the benefit of reducing
emissions, potentially cutting a lot of gasoline use out of their lives, and solo access to HOV lanes in California, and possibly other states.
Nick Moran of The Millions had interesting prospective, mentioning «The
emissions and e-waste for e-Readers could be stretched even further if I went down the resource rabbit hole to
factor in: electricity needed at the Amazon and Apple data centers; communication infrastructure needed to transmit digital files across vast distances; the incessant need to recharge or replace the batteries of eReaders; the resources needed to recycle a digital device (compared to how easy it is to pulp or recycle a book); the packaging and physical mailing of digital devices; the need to replace a device when it breaks (instead of replacing a book when it's lost); the fact that every reader of eBooks requires his or her own eReading device (whereas print books can be loaned out
as needed from a library); the fact that most digital devices are manufactured abroad and therefore transported across oceans.
I would like to see a discussion of the likelihood that
factors traditionally viewed
as slow response feedback
factors (such
as Arctic albedo, or high methane
emissions permafrost degradation) may actually become faster response feedback
factors.
Sensitivity analysis shows that future fire potential depends on many
factors such
as climate model and
emission scenario used for climate change projection.
This early warming has been attributed to internal
factors, such
as natural climate variability in the Atlantic region, and external
factors, such
as solar variability and greenhouse gas
emissions.
Factor in the «carbon light» CO2 from coal seam gas projects in the East (and other LNG expansion in the north and west) and you're talking about Australia's fossil fuel
emission exports equating to TWO Saudi Arabias by 2020, not one
as I've been saying to many disbelieving ears.
There are a number of
factors that control CH4 concentrations that are extermely poorly understood and are mostly ignored in the scenarios — the dependence on other gases (such
as O3, and CO), the impact of increased temperatures and changes to precip on tropical and boreal wetland
emissions, the existence (or not) of a significant methane hydrate source from permafrost or continental shelves, the climate impact on the atmopsheric chemistry of CH4.
Is this a
factor which could also be considered,
as well
as emissions, at a national level?
They also challenged the claim that «Reduced CO2 gas
emissions; No transportation needed, fur animals are born, raised and die on the farm» was misleading because it did not take into account other transportation
factors such
as delivering food to the farm and the transportation of pelts.
Coal is the prime
factor determining the pace of growth in
emissions of heat - trapping carbon dioxide
as human populations and appetites crest in the next few decades.
With all due respect, your continued clumsy attempt to equate «CO2
emissions» with «access to energy»
as a
factor in human well - being is either dishonest or stupid.
This report, «Climate Stabilization Targets:
Emissions, Concentrations, and Impacts Over Decades to Millennia,» provides a fresh degree - by - degree guide to impacts on river flows, rainfall, coasts and other
factors that matter enormously over the next few decades
as human populations crest.
And finally, what about Mark's questions (# 3) and other
factors not discussed here — do all these effects re Arctic ice lead scientists to believe there is a greater and / or earlier chance (assuming we continue increasing our GHG
emissions — business
as usual) of melting hydrates and permafrost releasing vast stores of methane into the atmosphere than scientists believed before the study, or is the assessment of this about the same, or scientists are not sure if this study indicates a greater / lesser / same chance of this?
Current attempts by national governments worldwide to control industrial CO2
emissions following the recommendations of the IPCC could be viewed within the scientific paradigm
as the projection of a large scale experiment on the earth's climate system to validate the hypothesis that anthropogenic CO2
emissions through the burning of fossil fuels and land use changes (inter alia) are a major
factor driving climate change.
Those eruptions meant there was more subsequent warming in the following years, making the rate of warming appear to be rising
as a result of man - made
emissions or other
factors, Christy said.
Power - sector CO2
emissions are influenced by a number of
factors not directly affected by environmental policies, such
as macroeconomic growth levels and relative fuel prices.
The researchers suggest that other
factors, such
as changing peat temperatures or water levels, may also play a role in a peatland's greenhouse gas
emissions.
A recent Canadian study of the nation - wide
emissions of greenhouse gases from agricultural activities used nitrous oxide
emissions factors which indicated that nitrous oxide
emissions from anhydrous ammonia and ammonium phosphate were from four to five times
as high
as those from urea or ammonium nitrate.
The increased natural gas production and use is critically important,
as it is the key
factor in reduced carbon
emissions during a period of U.S. economic expansion — a break with historic precedent noted by the New York Times.