Sentences with phrase «nitrogen emissions from»

Smith says that the observed increase in nitrogen emissions from fertilizer is nearly double the value used in biofuel life - cycle assessments.

The acidification of the ocean is a much longer - term issue than acid rain, which goes away about two weeks after you reduce sulfur and nitrogen emissions from smokestacks.

Not exact matches

Switching from coal to natural gas would reduce sulfur dioxide emissions by more than 90 percent and nitrogen oxide emissions by more than 60 percent.

And I'm going to see another technology in the U.S. that reduces nitrogen oxide emissions from diesel trucks by up to 50 % while preserving horsepower.

The economic and environmental benefits of adopting practices that reduce emissions may include: improving the conversion of feed to energy, reducing nitrogen losses from intensive production systems and the potential to create offsets under the Carbon Farming Initiative.

Fumes from nitrogen - rich fertilizers and animal waste combine in the air with combustion emissions to form solid particles in the air.

The culprit: fumes from nitrogen - rich fertilizers and animal waste combine in the air with combustion emissions to form solid particles, which constitute a major source of disease and death, according to the new study.

And a Nobel - prize winning chemist has publicized his findings that biofuels made from nitrogen - thirsty plants (like corn and canola) actually produce a net increase in greenhouse gas emissions, because they release nitrous oxide during their production.

When hydrocarbon - based fuels like methane are burned in normal air, nitrogen gets mixed in with the combustion product — flue gases from conventional gas power stations contain as little as 3 percent CO2 — which makes scrubbing carbon from power plant emissions difficult and expensive.

EMISSIONS of sulphur dioxide and nitrogen oxides from shipping in the English Channel are «almost equivalent to those of Denmark», according to a study of marine pollution by Lloyd's Register.

NOx gases represent some of the most reactive gases produced from diesel combustion and other fossil fuels, but the emissions limits for nitrogen dioxide are regularly exceeded, especially in urban areas.

«The amount and diversity of pesticides, pharmaceuticals and other industrial chemicals that humans are releasing into the environment are increasing at rates that match or exceed recent increases in CO2 emissions, nutrient pollution from nitrogen fertilizers, and other drivers of global change,» Bernhardt said.

The precursors of acid rain formation result from both natural sources, such as volcanoes and decaying vegetation, and human - made sources, primarily emissions of sulfur dioxide and nitrogen oxide resulting from fossil fuel combustion.

This suggests, he says, that nitrogen oxide emissions from transport and industry are increasing more rapidly than ammonia emissions from agriculture.

The final, prolonged emission was from the breakdown of now neutron - poor and unstable nitrogen atoms.

Many of his mistakes are big ones: he bungles the issues involving reserves and resources that are critical to his core argument about oil remaining cheap; he drastically misleads his readers about the extent to which sulfur dioxide and nitrogen oxide emissions from coal - burning have been reduced; he trivializes the climate - change risks from coals carbon dioxide emissions by suggesting we know the impacts will be worth only 0.64 cents per kilowatt - hour.

The approaches range from curbing emissions from power plants to creating large wetlands to collect nitrogen from fertilizer that runs off fields.

I criticized this statement, noting that the actual emissions from U.S. coal - burning power plants declined only from 16.1 million tons to 12.4 million tons between 1980 and 1998 in the case of sulfur dioxide and from 6.1 million tons to 5.4 million tons between 1980 and 1998 in the case of nitrogen oxides (mostly emitted as NO, not NO2, but by convention measured as tons of NO2 - equivalent).

Ozone is produced by reactions involving nitrogen oxides (NOx), which come primarily from motor vehicle emissions, and volatile organic compounds resulting from industrial processes.

In their paper, published in Scientic Reports, the authors present the first demonstration that single - photon emission from a specially oriented compound defect (a nitrogen vacancy center) in diamond is dynamically and statically unpolarized with intrinsic randomness.

In one, emissions of nitrogen oxides and volatile organic compounds from human activities would continue at current levels through 2050.

It's been a quarter century since government regulations limiting emissions of sulfur and nitrogen oxides from coal - fired power plants began to neutralize the problem of acid rain, but lakes in the northeastern U.S. and eastern Canada have been sluggish to recover.

Colorado land managers use the findings from Niwot Ridge to determine limits on emissions of nitrogen pollution associated with industry and agriculture.

Resource - conserving cropping practices from WHEAT, such as more targeted use of nitrogen fertilizers or sowing wheat into untilled soils and crop residues, can raise wheat farmers» incomes while curbing greenhouse gas emissions, if widely adopted, he added.

This session solicits presentations examining all aspects of air emissions and / or air quality or climate impacts of methane, volatile organic compounds, and nitrogen oxides from all stages of oil and gas development.

Spectra of some very hot and bluish stars exhibit marked emission lines from carbon or nitrogen, or sometimes oxygen.

Volkswagen Group's so - called «defeat - device» emissions software has allowed hundreds of thousands of diesel vehicles from the 2009 - 16 model years to emit nitrogen oxide at illegal levels while thwarting emissions tests.

A series of 37 «eco-billboards» touting the fact that the Mirai's «only emission is water» (at least at the proverbial tailpipe, as there are definitely emissions other than water associated with hydrogen fuel cells and any new car) will be installed with Clear Channel Outdoor Americas, and these billboards are said to remove nitrogen oxides (NOx) from the air.

And IPCC data suggest that N2O releases are far higher where nitrogen - fertilizer is applied to tropical soil compared to temperate soil — yet I am not aware of any full assessment of all emissions, including from soils, for any of the rapidly expanding tropical biofuel crops.

(2018) Simulating greenhouse gas emissions and stocks of carbon and nitrogen in soil from a long - term no - till system in the North China Plain.

For example, with nitrogen, where the majority of human emissions come from synthetic fertilizers, the real - world challenge is to apply just the right amount of nitrogen to optimize crop yields while minimizing nitrogen losses that harm aquatic ecosystems.

Here in Arizona, the EPA is proposing to reduce harmful nitrogen oxide (NOx) emissions from the Navajo Generating Station (NGS), a coal plant that is one of the largest sources of NOx emissions in the U.S. as well as from the Apache, Coronado, Sundt, and Cholla generating stations.

The fine balance of chemicals in our air and seas has been disrupted with dangerous consequences — our carbon emissions are driving global warming and ocean acidification, while excesses of nitrogen and phospohorous from industry and agriculture are turning parts of the sea into dead zones.

The 300 plants produce one - quarter of all the electricity generated in the EU but are responsible for more than 70 % of the EU's sulphur dioxide emissions and more than 40 % of nitrogen oxide emissions from the power sector.

Nitrous oxide emissions are primarily from nitrogen - based fertilizers used for soil management.

No examples of measurement of nitrous oxide emissions from deep banded nitrogen (N) fertilizer have been found to date for western Canada.

The effect of the pulse crop on the nitrous oxide emissions from a following cereal should also be measured, since it is known that nitrogen fertilizer requirements of wheat and barley are reduced if they follow a pulse crop in the rotation.

These changes in land use would be expected to reduce carbon dioxide emissions from soils, and increase carbon sequestering by means of an increase in soil organic matter.However, this reduction in amount of land in summerfallow, and an increase in land in crop, has been accompanied by an increase in use of nitrogen fertilizers.

In one study in South Dakota, placement of nitrogen fertilizer in the surface layer of soil led to higher emissions of nitrous oxde from zero till compared to convention till.

It is known that various chemical additives (e.g., nitrapyrin or coated calcium carbide) can suppress nitrous oxide emissions from nitrogen - fertilized crop production systems.

A study this January showed that global industrial nitrogen oxide emissions declined from 2005 to 2014, even as farm emissions boomed.

Air pollution is a considerable problem in Serbia, much of it due to emissions of CO2, ash, sulphur and nitrogen oxides from coal - fired power plants and mining operations.

The culprit: fumes from nitrogen - rich fertilizers and animal waste that combine in the air with industrial emissions to form solid particles — a huge source of disease and death.

Progress is however markedly slower for eutrophication, which is caused by excess nitrogen deposition resulting from emissions of nitrogen oxides (NOx) and ammonia (NH3).

Ultra-low sulfur diesel fuel has 99.5 percent less sulfur — and is now produced for all highway and non-road uses, allowing for dramatically reduced nitrogen oxide emissions from newer diesel engines.

Green freight programs work with the freight industry to minimize the public health impacts of diesel emissions by promoting technologies that reduce emissions from the combustion of diesel, including particulate matter (PM) and oxides of nitrogen (NOx), which benefits the health of vulnerable populations.

In 2030, a million solar roofs (or at least 3,000 MW of solar energy capacity) would help the state avoid 11.8 million pounds of smog - forming nitrogen oxide pollution from power plants annually — a reduction of 9 percent below 2012 power plant emission levels.

The proceeds from the sale of certified emission reductions are deployed to lower the purchase price of climate - friendly nitrogen fertilizer for farmers.

In their press release from Friday they announce they have created a database [which seems not always to work] with updated data on current emissions sources, not just for CO2 and methane, but also for various nitrogen compounds and for instance soot — that most - ignored climate forcer.

Aircraft not only emit 12 percent of CO2 emissions from U.S. transportation sources — they also emit nitrogen oxides other than nitrous oxide, causing warming when emitted at high elevation.