Sentences with phrase «emission rates by»

However, existing operational and technological efficiency measures could reduce emission rates by 25 - 75 %.

Under regulations Obama unveiled Monday, New York must reduce its emission rate by about 20 percent by 2030, compared to 2012 levels.

EPA requires states to cut their power plant carbon dioxide emissions rates by varying amounts by 2030.

This is an argument for reducing the emission rate by at least half if we want to stabilize the CO2 and hence the climate.

For example, under the proposed rule, South Carolina is required to reduce its emission rate by 57 %, to 772 pounds per megawatt - hour (MWh).

Not exact matches

Comparing the capital and operating costs of various forms of energy — even factoring in US$ 50 a tonne for carbon emissions (a higher rate than is currently levied by any North American state or province)-- natural gas comes out as a clear winner.

A new voluntary star rating scheme to estimate the greenhouse emissions of buildings has been proposed for WA by the Office of Energy.

The different governments lead by Mrs. Thatcher restrain the emission of the monetary mass, raise the rate of interest, reduce in a drastic way the taxes on the highest incomes, abolish the control of the financial flows, strongly raise the rate of unemployment, provoke strikes, put in place an anti-unions legislation and cut the social expenses.

City councilmen Ydanis Rodriguez and Robert Jackson voiced support for the resolution, contending that new plan would be worth a try if it could alleviate the burden of alternate side regulations for drivers and possibly improve asthma rates by reducing the emissions of idling cars.

If China's use of renewable and nuclear energy grows at a plausible rate, and the country captures some of its emissions from coal - burning power stations and keeps making improvements in energy efficiency, by 2050 its total emissions could end up 4 per cent lower than today, says Zhou.

The long - term warming over the 21st century, however, is strongly influenced by the future rate of emissions, and the projections cover a wide variety of scenarios, ranging from very rapid to more modest economic growth and from more to less dependence on fossil fuels.

The world must achieve carbon neutrality by 2050, they write, with greenhouse gas emissions peaking by 2020 — a rate that is not in line with the voluntary commitments made by countries in Paris.

At the current rate of growth, CO2 emissions from shipping will double by 2050.

On top of all this, Azolla has the capacity to trap an astounding amount of carbon, at maximum rates sequestering 60 tons a year of CO2 per hectare, equivalent to the emissions of almost two hours of flight by a Boeing 747.

«You can get there by cutting now at rates of 1 percent per year for the rest of the century or let carbon emissions rates grow for awhile and cut harder later to the tune of 4 percent per year,» Solomon explains.

For example, they write, a 30 percent reduction in deforestation rates as seen in the Brazilian Amazon between 2005 and 2010 only cut carbon emissions over the same time period by 10 percent.

This stability in methane levels had led scientists to believe that emissions of the gas from natural sources like livestock and wetlands, as well as from human activities like coal and gas production, were balanced by the rate of destruction of methane in the atmosphere.

Wallmann: «It is important to check emission rates of gases and fluids and make sure that seepage is not invigorated or pockmarks are re-activated by the storage operation.»

And yet, India and China remain two countries where emission rates of greenhouse gases continue to rise, driven mostly by economic growth, Eltahir says.

Plantation forestry is the key rather than the usual approach of cutting emissions by reducing the rate of using carbon fuels like coal, oil and gas.

Coupled with an emissions growth rate of 3.3 percent — triple the growth rate of the 1990s — the atmospheric burden is now rising by nearly two parts per million of CO2 a year, the fastest growth rate since 1850, the international team of researchers reports in Proceedings of the National Academy of Sciences USA.

FIGURE 1: Carbon Dioxide Emissions from Fossil Fuel and the Kyoto Challenge Carbon dioxide emissions from fossil fuels have risen over time but at rates that vary by region and circuEmissions from Fossil Fuel and the Kyoto Challenge Carbon dioxide emissions from fossil fuels have risen over time but at rates that vary by region and circuemissions from fossil fuels have risen over time but at rates that vary by region and circumstances.

Computer models peg ocean acidity at 7.8 to 7.7 by the end of the century at the current rate of greenhouse gas emissions.

That target has been «applauded by the international community given China's emissions have been growing at rates of 5 % to 8 % over the past decade and a half,» says Canadell, who is also executive director of the Global Carbon Project, an international consortium of scientists studying the global carbon cycle.

Given those findings and the rest of the improved understanding of the climate system, the IPCC projects that if carbon dioxide gas emissions — the primary cause of warming — continue to grow at the recent rate, the world would warm 2oC above 19th - century levels by the middle of this century.

The high mortality rate is due to ocean acidification, partly driven by carbon dioxide emissions, according to an April 2012 study.

Projections indicate the temperatures could rise as much as 11 °F by century's end if greenhouse gas emissions aren't slowed and that the rate of warming could reach levels unseen in 1,000 years by 2030s.

«As time goes on, the rate of burning in the power plant stays the same, but the carbon accumulates, so by the end of the year, the greenhouse gases will be heating the earth much more than the direct emissions of the power plant.»

Several countries» climate emissions goals,, including Russia, Canada, Japan and Australia, have all been rated inadequate by Climate Action Tracker.

«At current emission rates models suggest that all coral reefs and polar ecosystems will be severely affected by 2050 or potentially even earlier,» they wrote.

But as ocean temperatures increase due to climate warming, their emission rates could potentially rise by 20 percent between 2010 and 2100.

In other words the heat flows from the air to the surface at a rate determined by the number of molecules of greenhouse gas and their emission rate.

So, the Arctic warmed by our emissions is losing sea ice at record rates.

Results from the study showed indicated that with carbon taxes set at $ 50 per ton and increased at a rate of 5 % per year would lead to a reduction in the total greenhouse gas emission in the US by as much as 63 %, confirms Reilly.

By the way, in my opinion, the elevated greenhouse gas levels already in the air, combined with the future emissions from machines already built, plus increased natural emissions from carbon sinks becoming carbon emitters (i.e. permafrost melting) will cause the rate of warming to top 0.4 C / decade by mid-centurBy the way, in my opinion, the elevated greenhouse gas levels already in the air, combined with the future emissions from machines already built, plus increased natural emissions from carbon sinks becoming carbon emitters (i.e. permafrost melting) will cause the rate of warming to top 0.4 C / decade by mid-centurby mid-century.

On the long term (longer than a few decades) the transient methane concentration is determined by the chronic rate of methane emission to the atmosphere.

Human - induced warming is already close to 1 degree, so to limit warming to 2 degrees, CO2 emissions need to fall, on average, by 10 % of today's emission rate for every tenth of a degree of warming from now on.

If the rate of increase of CO2 emissions continues unchecked the pH could decline by an additional 0.3 units by the year 2100.

We present models for two objects, with mass accretion rates differing by almost two orders of magnitude, to illustrate the effects of accretion on the overall disk structure and emission.

We speculate that this truncation of the outer disk may be the signpost of a developing gap due to the effects of a growing protoplanet; the gap is still presumably evolving because material still resides in it, as indicated by the silicate emission, the molecular hydrogen emission, and by the continued accretion onto the central star (albeit at a much lower rate than typical of younger T Tauri stars).

Angelenos could lower the city's greenhouse gas emissions from water supplies by up to 70 percent by reducing the use of imported water and increasing conservation rates, the study found.

Anthropogenic CO2 emissions are presently increasing every year at an accelerating rate, and it is extremely unlikely that humanity will collectively do what is necessary to not only stop that growth in CO2 emissions, but reverse it, and then reduce emissions by 80 percent or more within 5 to 10 years, which is what mainstream climate scientists say is needed to avoid the worst outcomes of anthropogenic global warming.

These star - formation rate estimators include the ultraviolet light that is emitted from young stars, the infrared light that shows how much of the ultraviolet light was absorbed by dust, and the nebular emission lines that are caused by young stars making the clouds of gas around them glow and radiate.

Similar flare rates were calculated by Maehara et al. 15 and Shibayama et al. 16 using rotation instead of chromospheric emission as the criterion for selecting Sun - like stars with magnetic activity levels similar to the Sun.

This study makes the first direct comparison between the optical emission line and the ultraviolet and infrared tracers of star formation and indicates that, despite the underlying uncertainties, astronomers can trust the nebular emission lines as robust indicators of the star - formation rate and the amount of light that is obscured by dust in distant galaxies.

Because the deep - ocean has a fixed rate of mixing the higher the rate of emissions the lower the proportion of those emissions that will be taken up by the ocean.»

«Although none of the present models is fully satisfactory, neutral gas emission through water loss by Deimos at a rate of about 1023 molecules per second, combined with a charged dust coma, is favored.»

Poultry deep litter systems [57] have higher NH3 emission rates than battery systems [55], which is explained by the presence of substrate.

«Although none of the present models is fully satisfactory, neutral gas emission through water loss by Deimos at a rate of about 10

Another potential feedback might occur if reduced timber yields force loggers to compensate by enlarging the amount of area harvested, resulting in higher CO2 emissions through deforestation and associated fires, as well as increased rates of habitat fragmentation / degradation and species extinctions