Sentences with phrase «with your emissions factors»

Not exact matches

The UK will be the deciding factor in an EU debate on carbon dioxide emissions standards for new cars tomorrow, with green groups calling on the government to hold firm.
In its 2007 report, the IPCC concluded with 90 percent certainty that human - caused greenhouse gas emissions have been the primary factor in Earth's overall temperature rise since 1950.
Although natural gas generates less greenhouse gas than coal when burned, when its total life - cycle emissions associated with extraction and distribution are factored in, it does not seem much cleaner than coal
Other factors come into play: Increasing carbon dioxide emissions worldwide are making all oceans more acidic, forcing species to use more energy to adapt, leaving them with less energy to reproduce and grow.
Carman and other advocates say they understand emission factors will have to be used in some circumstances, and that some types of pollution can be estimated with reasonable accuracy.
«Consumers often equate more dependence on pasture with environmentally friendly farming, but this study demonstrated that low milk production per cow is a major factor associated with high GHG emission.
The EPA's IG came back with a targeted reproach in 2014, questioning the validity of factors used to estimate methane emissions from some pipelines.
Many emission factors used to estimate releases of methane — a potent greenhouse gas associated with oil and natural gas development — are «far too low,» says Robert Howarth, an ecology and environmental biology professor at Cornell University.
Carnegie's Caldeira and Zhang, along with Myhrvold, aimed to identify the key factors that are responsible for most of the difference in greenhouse gas emissions between individual gas and coal plants.
The findings from that multi-state, multi-partner study, along with other factors, led to the enactment of the Clean Smokestacks Act in 2002, a state law that mandated significant reductions in emissions from coal - fired power plants.
«(I) The Administrator shall determine the amount of fossil fuel - based electricity delivered at retail by each electricity local distribution company, and shall use appropriate emission factors to calculate carbon dioxide emissions associated with the generation of such electricity.
Other notable factors are a lower proportion of diesel - powered engines across the Australian car and LCV fleet than in Europe, fewer government incentives for lower - emissions vehicles and relatively low fuel prices compared with Europe.
The frontal area is also a determining factor in selecting an incomplete vehicle that complies with emissions requirements
The scores are tabulated by combining a vehicle's tailpipe emissions, with the emissions resulting from the vehicle's manufacturing process, and factors related to how its fuel source (s) are produced and delivered.
Another key factor behind the impressive output and fuel consumption at full load with respect to emissions is the maximum ignition pressure.
The continued improvement in engine performance and driving attributes, coupled with reductions in fuel consumption and emissions, has been a decisive factor in securing the pioneering status of the BMW 3 Series.
These factors combine with a new exhaust gas regeneration system to reduce CO2 emissions to 197 and 206g / km respectively (257 - 261g / km previously).
With the GM 2.8 L diesel gaining only 2 MPG over the 2.5 L gasoline engine, while adding 440 pounds to its curb weight, the diesel fuel economy gains are not sufficient to offset the higher emission factor for diesel fuel, with the diesel option producing 4 % more CO2 - equivalent emissions over the truck's life - cyWith the GM 2.8 L diesel gaining only 2 MPG over the 2.5 L gasoline engine, while adding 440 pounds to its curb weight, the diesel fuel economy gains are not sufficient to offset the higher emission factor for diesel fuel, with the diesel option producing 4 % more CO2 - equivalent emissions over the truck's life - cywith the diesel option producing 4 % more CO2 - equivalent emissions over the truck's life - cycle.
It reduce the emissions from transport by a factor of ten or more compared with electric cars on renewable energy and a factor of at least forty compared with modern cars traditional and hybrid ICE cars.
Worldwide, vegetation fires are showing a trend toward longer burning periods, increased fire severity, larger areas burned and increased (mostly human caused) frequency — with all of these factors contributing to more damaging environmental impacts, higher shares of emissions and increasing socioeconomic costs, including greater threats to human health and security.
If we can find no consistent correlation between TSI and temperatures during the Eighteenth and Nineteenth centuries, when CO2 emissions were clearly not yet a factor, then the «correlation» some have claimed to have found during the early 20th century is almost certainly an artifact, i.e., a fluke, with no real significance.
Agree with Mr. Richards (31) that a «budget» for 1.5 C has already been exceeded — due e.g. to «thermal response factor» (Hansen), present aerosol dimming, further emissions during energy transition, unfolding climate feedbacks and planetary response to actual total carbon dioxide eguivalent.
We are not ready to go on the record with the results — the comparison shows no substantive differences between to - down and bottom up measurements — which means the underlying emissions factors can't be too far off.
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 stuWith 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 stuwith «access to energy» as a factor in human well - being is either dishonest or stupid.
The basic ingredients are easy to list: — absorption / emission properties (or spectroscopic parameters) of CO2 at atmospheric pressures, i.e. data presently available from HITRAN - database combined with models of line broadening — observed properties of the atmosphere where most important features include clouds and moisture content, but many other factors have some influence — computer model of the transmission of radiation along the lines of MODTRAN or GENLN2
The processes of carbon release are intertwined with multiple factors, including microbial community composition, stability of old carbon, physical soil structure, and relative fraction of leaching to atmospheric emission.
The first showed that acceptance of several scientific propositions — including the acceptance of HIV causing AIDS, smoking causing lung cancer, and human CO2 emissions causing global warming — were all manifestations of a common factor, which in turn is correlated with a factor reflecting perceived scientific consensus.
«Combined with a literature review, the results showed that high N2O emissions from peat decomposition in the tropics tend to be common; which is in contrast with most recent IPCC [Intergovernmental Panel on Climate Change] emission factors,» she says.
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.
The new study did, which means that in addition to accounting for flights, ground transportation, and hotels, it attempted to factor emissions associated with manufacturing all those tchotchke you're buying at the airport and those surf»n' turf dinners you're enjoying by the beach.
First, the original emission rates of SO2 and H2SO4 (3 % of total anthropogenic SO2 emitted) in the model (including emissions, boundary conditions, and initial conditions) were decreased by a factor of 4 compared with the 2005 base case to be consistent with the decrease in measured ambient SO2 concentrations since 2005 (SI Appendix, section 1 and Fig.
Soils are the largest single terrestrial source of carbon dioxide (CO2), but these emissions are highly sensitive to a range of factors associated with climate change and human land use (1).
Coal Blooded analyzes sulfur dioxide (SO2) and Nitrogen Oxide (NOx) emissions in conjunction with demographic factors — race, income, and population density — to rank the environmental justice performance of the nation's 378 coal fired power plants.
Therefore, in regions with fewer controls, primary particulate matter emission factors are higher, but SO2 emissions are also higher....
Requires regulations issued applicable to emission of GHGs from new heavy - duty motor vehicles or engines to contain standards that reflect the greatest degree of emissions reduction achievable through the application of technology that is available, giving consideration to cost, energy, and safety factors associated with the application of such technology.
The Kyoto Protocol's effectiveness will depend upon two critical factors: whether Parties follow the Protocol's rulebook and comply with their commitments; and whether the emissions data used to assess compliance is reliable.
The exact size of the carbon budget can not be specified with high confidence since it depends on many uncertain factors, including emission pathways for non-CO2 climate forcers.
with gas phase and particulate matter emission factors.
Although many people have accepted with half - believing and half - doubting the view that the emission of greenhouse gases is the primary factors in global climate change, many scientists are skeptical about this view, they have refuted this view with plenty of evidence.»
With most scientists now recognizing that the jihad against CO2 emissions was not really supportable by the empirical evidence, new scientific efforts are being conducted to determine what are the major factors influencing global warming / cooling.
After accounting for errors associated with transport, planetary boundary layer height, lateral boundary conditions, seasonality of emissions, and the spatial resolution of surface emission prior estimates, we find that the California Air Resources Board (CARB) CH4 budget is a factor of 1.64 too low.
... the Intergovernmental Panel on Climate Change, which includes more than 3,000 scientists from around the world, agrees that climate change is caused by a number of factors, including excess carbon dioxide... The Government of Alberta accepts the findings of the Intergovernmental Panel on Climate Change and recognizes the need to reduce emissions and take immediate action to deal with the impacts of global warming.
Each of these components, C1, C2 and C3, is then associated with some fraction of the emissions into the atmosphere, E, and a particular removal mechanism: where b3 (= 0.1) is a fixed constant representing the Revelle buffer factor, and b1 is a fixed constant such that b1 + b3 = 0.3 [11]; b1 represents the fraction of atmospheric CO2 that would remain in the atmosphere following an injection of carbon in the absence of the equilibrium response and ocean advection; b0 represents an adjustable time constant, the inverse of which is of order 200 years.
Direct field measurements of N2O emissions are prohibitively costly, and the use of default values can not capture variation in emissions associated with weather conditions and site - specific factors.
When you factor in energy use and emissions along the full fuel cycle, households with natural gas versus all - electric appliances produce 37 percent lower greenhouse gas emissions.
In addition, lower latitude regions typically experience higher rates of terrestrial net primary production (NPP), a factor that has been positively correlated with GHG emissions from hydroelectric reservoirs (Hertwich 2013).
Von Danckelman then compares this number, which is within the current satellite - based estimations, with industrial emissions and concludes that biomass burning is a major climate factor in sub-Saharan Africa.
Future emissions were made consistent with estimated emissions for the year 2005, using a correction factor in such a way that, for most gases, emissions are equal to the «native» IAM output by 2050.
But when the emissions associated with imported goods are factored in, that decline is far less impressive.
The scientific pivot to cooling confirms what many have thought and said over the last few decades: human CO2 emissions do have a warming influence on global temperatures but, with that said, it is a minor factor that is easily overwhelmed by both solar / cosmic and natural earthly forces.
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