Sentences with phrase «very high emissions»

WWF summarizes Canada's poor performance by saying that the nation has very high emissions per capita compared to other industrial nations, despite the aforementioned large use of hydropower; its per capita emissions are still increasing; its expanding development of the carbon - intensive tar sands and has no significant policy to reduce overall emissions.

For the future, the IPCC projections for very high emissions (red, RCP8.5 scenario) and very low emissions (blue, RCP2.6 scenario) are shown.

For example, stormwater across the city of Milwaukee recently showed high human fecal pathogen levels at all 45 outflow locations, indicating widespread sewage contamination.87 One study estimated that increased storm events will lead to an increase of up to 120 % in combined sewer overflows into Lake Michigan by 2100 under a very high emissions scenario (A1FI), 57 leading to additional human health issues and beach closures.

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.

«We found very high emissions associated with a small number of wells,» says Howarth.

Whether you agree with it or not, the projections by 2050 range from a minimum of around 1.5 oC (if we choose to follow a very low emission pathway) to around 2.6 oC (if we choose to follow a very high emission pathway).

But then again there several region which are about the same as China, and China has very high emission in fairly small region.

Not exact matches

«We can in fact help other parts of the world reduce their greenhouse gas emissions dramatically by providing them with lower - carbon fuels in other parts of the world where they are using very high - carbon fuels like coal.»

In a recent experiment performed at the Radioactive Isotope Beam Factory at RIKEN, an international collaboration with scientists from eleven countries, led by scientists of the Instituto de Estructura de la Materia, CSIC (Spain) and the RIKEN Nishina Center (Japan), made a very surprising observation: High - energy gamma rays — which are mediated by the electromagnetic force — are emitted in the decay of a certain excited nucleus — tin 133, in competition with neutron emission, the decay mode mediated by the strong nuclear force.

The Innsbruck data also show that, due to the very high proportion of oxygen - containing compounds, the total global amount of urban emissions is significantly underestimated.

In addition, HESS has detected emissions from new classes of objects emitting very high energy gamma rays, such as stellar - mass black holes orbiting massive stars, and has characterized the absence of emissions from other classes of objects such as rapidly moving stars.

The climate scientists calculated various scenarios with the models, including a very high - warming scenario in which no measures were taken to reduce CO2 emissions, so that CO2 concentrations in the atmosphere rise unabated to 2100.

We know that for energies of modest to intermediate energy, the culprit or the source of the acceleration appears to be the shock front that surrounds a [an] expanding supernova blast wave; that is to say, we have a star that undergoes a massive cosmic explosion [and] drives a strong shock wave out into the surrounding interstellar medium, and the gas around the shock wave, and all the magnetic fields associated with it are capable of accelerating particles to very high energies; and also incidentally magnifying and amplifying the magnetic field associated with that shock front and giving a lot of x-ray emission and radio emission and so on, and so we've understood that.

Hybrid and electric cars, which have very high mileage and very low emissions, can also pull up an automaker's overall average for its fleet, although the effect can be small because the vehicles are still a small part of the market.

«Because of its very short - lived nature, and the unlikely scenario of the emissions sustaining a high growth rate, it's highly unlikely dichloromethane would have a major impact on the ozone layer,» said Liang.

It assessed how oil subsidies could influence investor decision - making and found that the impact of subsidies on oil production (and associated emissions) in the U.S. was potentially very high.

Many of the other gamma ray emission sources, in this very high energy band, have so far been linked to pulsars or supernova remnants (the remains of an exploding star).

First limits on the very - high energy gamma - ray afterglow emission of a fast radio burst.

However, with current emissions trends, this would lead to very high temperatures to the end of the 21st century.

A narrow band of them in the high - energy spectrum would be a «smoking gun» for the presence of dark matter, says Michelson, but he thinks it's more likely that the dark matter emission would be mixed in with gamma rays from other energy sources in the universe and that scientists such as GLAST pioneer Elliott Bloom will have to work very hard to untangle the GLAST data to find it.

Like the main nebula M42, this is an emission nebula, shining by the light emitted from its atoms, after being excited by the high - energy radiation of massive, very hot young stars within it.

Since 2005 the consumption of higher carbon fossil fuels has begun to decline very significantly, which has caused individual U.S. end - use Sectors» carbon emissions to also decline.

Items such as high - level encryption in ECUs, tire - pressure monitors, integrated axle carrier / ring gears and complicated diesel emissions systems make it very difficult for the aftermarket to come to market with performance - oriented modifications.

Small PHEVs with higher efficiency, very small, one or two cyls ICE genset, should be able to do twice as well, i.e. 200 mpg and CO2 emission of less than 50g / Km.

Nonetheless, a stop - start system is standard on every model, keeping CO2 emissions down to a relatively reasonable 199g / km on the automatic 335bhp V6 - a figure that's very impressive for such a high - performance sports car.

A 2012 report on particulates from gasoline vehicles by the European Joint Research Commission found that gasoline direct injection (GDI) vehicles consistently emit a very high number of particles, with the actual emission levels even approaching those of conventional diesels in some cases.

A long list of technologies has been engineered to provide 255 horsepower, a unique three - stage torque curve, very low emissions, high fuel efficiency for a truck, and instantaneous throttle response.

CO2 emissions are very high at 276g / km and equate to a hefty # 2,000 first - year tax bill (usually included in the on - the - road price).

This sophisticated 16 - valve powerplant employs Dual Overhead Camshafts (DOHC) and Continuously Variable Valve Timing (CVVT) for a very broad power band, coupled with high fuel efficiency and low emissions.

Given that impacts don't scale linearly — that's true both because of the statistics of normal distributions, which imply that (damaging) extremes become much more frequent with small shifts in the mean, and because significant breakpoints such as melting points for sea ice, wet - bulb temperatures too high for human survival, and heat tolerance for the most significant human food crops are all «in play» — the model forecasts using reasonable emissions inputs ought to be more than enough for anyone using sensible risk analysis to know that we making very bad choices right now.

The authors report very high fluxes associated with a small set of wells in southwest Pennsylvania, while finding «little or no emission» from other wells in a larger area.

An 80 % reduction in emissions is very substantial, basically remaking society at high cost.

In coal - dependent regions that have the highest CO2 emissions, existing wind and gas technology work very well together to displace lots of emissions.

What is clear is that uncontrolled emissions will very soon put us in range of temperatures that have been unseen since the Eemian / Stage 5e period (about 120,000 years ago) when temperatures may have been a degree or so warmer than now but where sea level was 4 to 6m higher (see this recent discussion the possible sensitivities of the ice sheets to warming and the large uncertainties involved).

Because of their very short lifetime (a few days) vs. volcanoes (a few years) for identical physico - chemical reactions, their (primary) effect is less than of volcanoes, despite the higher emission rates (secondary and tertiary effects even are far more uncertain).

Related Michael Levi of the Council on Foreign Relations has a paper in press in the Journal of Geophysical Research challenging a widely covered «bombshell» study in that journal estimating very high rates of emissions of methane from Colorado gas and oil wells.

«Our study shows that very high climate sensitivities are virtually impossible, suggesting that we still have enough time to deal with the problem and reduce carbon emissions, which could avoid the most severe impacts,» said Andreas Schmittner, a climate scientist at Oregon State University and the study's lead author.

Increase tax incentives for purchase of very high MPG and low emissions vehicles.

If you look what has happened during the last few years in China and India and how negotiations on emission caps are very tough, and that there is lots of coal in China, etc., I do not know how you can think that the high emission scenarios ar so unlikely.

-- Keep global warming below 2oC, implying a peak in global CO2 emissions no later than 2015 and recognise that even a warming of 2oC carries a very high risk of serious impacts and the need for major adaptation efforts.

If you were to place an IR sensor in space, opposite the sun, to view the earth's surface you would clearly see a glowing surface of higher intensity on the left with a very low level emission on the right.

Since we're effectively addicted to fossil fuels, the tax has to get very high to persuade us to cut emissions by 80 percent.

A high tax on carbon emissions would impose real risks — including increased hardship for people who can least afford it and very possibly increases in unemployment and hence poverty.

They've caused electricity to be far more expensive than it could and should be, caused global GHG emissions to be 10 - 20 % higher than it could have been and caused the rate of emissions reductions over the coming decades to be very much slower than it would be of not for their irrational, ideologically driven scare mongering.

Garden equipment engines, which have had unregulated emissions untill very recently, emit high levels of carbon monoxide, volatile organic compounds and nitrogen oxides, producing up to 5 % of the nation's air pollution and a good deal more in metropolitan areas.

This current research has definitively stated the likely importance of blue carbon conversions and the unaccounted emissions that have very much higher estimates.

I also asked Gary Hnatowich about anhydrous ammonia fertilizer and the reports that it could produce very high levels of N2O emissions compared to urea.

In order to avoid high rates of decarbonization, milestones along an emissions pathway (e.g. 2020, 2030, 2050 targets) can be very helpful, especially for the investment community.

One reason for being confident about there being much more uncertaintly than the 97 % concensus suggests is that there is nothing like a concensus, let alone proof, of what caused (and causes) the extreme natural variations in climate throughout geological time.This variation is well documented and almost certainly has a variety of underlying causes which are likely to be very different from C02 or other MM emissions even if higher greenhouse gases levels have often been present.

In addition to the CO2 emissions Solar outputs were very high during the latter half of the 20th century and are likely to average much less during this century.