Sentences with phrase «nitrous oxide release»

A huge nitrous oxide release from thawing permafrost could speed up the global warming already raising temperatures across the Arctic.

If the peat soils were waterlogged, nitrous oxide release was entirely suppressed.

The researchers identify six ways in which biochar curbs emissions, including reducing methane production from decaying plant waste, reducing nitrous oxide release from soils, and avoiding carbon dioxide emissions by storing carbon in the soil.

Not exact matches

Methane also remains in the atmosphere for 9 to 15 years; nitrous oxide remains in the atmosphere for 114 years, on average, and is 296 times more potent than CO2 — the gases released today will continue to be active in degrading the climate decades from now.

Both released harmful emissions of nitrous oxides and sulfur dioxide into the air in violation of air emission standards.

In a paper released for discussion in the journal Atmospheric Chemistry and Physics, Crutzen calculated that 3 to 5 percent of the nitrogen in the fertilizers used to raise crops for biofuels could end up in the atmosphere as nitrous oxide, a potent, long - lived greenhouse gas.

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.

Warming of arctic soils and thawing of permafrost thus can have substantial consequences for the global climate, as the large C and N stores could be released to the atmosphere as the greenhouse gases carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O).

«Indirect» emissions often refer to gases released far from the source, like nitrous oxide that is emitted downstream from the fertilizer from which it originates.

Food production accounts for a third of all greenhouse gas emissions when one tallies those from fossil fuels used in growing, preparing and transporting food; the carbon dioxide released by clearing land for farming and pastures; the methane from rice paddies and ruminant livestock; and the nitrous oxide from fertilizer use.

Methane and nitrous oxide are released, in part, by livestock.

Moreover, if the new rice supplies less carbon and other nutrients to the soil, farmers might eventually want to use more nitrogen - based fertilizers, resulting in the release of nitrous oxide, another strong greenhouse gas.

Greenhouse gases released by farming, such as methane from livestock and rice paddies, and nitrous oxides from fertilizers and other soil treatments rose 13 percent after 1990, the study concluded.

It also can trigger the release of dangerous chemicals such as nitrous oxide, a greenhouse gas up to 300 times more powerful than carbon dioxide, and toxic hydrogen sulfide.

Fertilizers also release nitrous oxide, a greenhouse gas with 300 times the heat - trapping capacity of carbon dioxide.

Manure stored in lagoons releases methane and nitrous oxide, global warming gases more powerful than carbon dioxide.

Those 12,000 - plus miles have cost us almost $ 900 in diesel fuel — and cost the environment who knows how much, since no fix yet exists to stop our SportWagen from releasing 10 to 40 times the allowable amount of nitrous oxide into the atmosphere.

When the oceans begin to slow the rate of CO2 uptake at saturation point that will futher push atmospheric CO2 even higher, simultaneously the massive amounts of additional CO2 and methane and nitrous oxide etc released from the decay and oxidisation of oceanic living creatures who can not survive in a low ph environment will future ram the nail in the coffin.

The non linear nature of forcing is related more to positive feedbacks and changes that are still being studied, such as cyclic changes in moisture content and regional dispersion, the methane cycles in the ocean or the potential of methane clathrate / hydrate release, and of course the race to feed more people on a planet which will inevitably add more nitrous oxide to the atmosphere and create more dead zones in the oceans, droughts, floods, fires, dogs and cats living together, mass hysteria....

One should also pay attention to other greenhouse gases, particularly methane (from rice paddies, ruminant animal digestive processes, industrial processes, and distributed natural sources, some of which could be triggered to large releases by warming) and nitrous oxide (from the nitrogen cycle linking the atmosphere, plants, and bacteria, now exacerbated by extremely heavy use of nitrogenous fertilizers in agriculture; note, as does Vaclav Smil from the University of Manitoba, that fertilizer use is required to feed half the world's current population.

An unknown portion of this material will become available for microbial processing in the future, which may result in enhanced release of carbon dioxide, methane, and nitrous oxide.

This overdependence causes the release of greenhouse gases such as carbon dioxide, methane and nitrous oxide, all of which contribute to decreasing the health of our atmosphere.

Methane released from animals and their wastes can be reduced by altered diets and methane capture systems, and nitrous oxide production can be reduced by judicious fertilizer use27 and improved waste handling.24 In addition, if biofuel crops are grown sustainably, 28 they offer emissions reduction opportunities by substituting for fossil fuel - based energy (Ch.

Agriculture is among the greatest contributors to global warming, emitting more greenhouse gases than all our cars, trucks, trains, and airplanes combined - largely from methane released by cattle and rice farms, nitrous oxide from fertilized fields and carbon dioxide from the cutting of rain forests to grow crops or raise livestock.

Tian and his colleagues calculated how much nitrous oxide, methane and CO2 the terrestrial biosphere is absorbing each year versus how much it is releasing.

And ships, besides releasing almost 3 percent of the world's CO2 (about as much as all of Canada emits), are also a main source of nitrous oxide and black carbon (soot).

And permafrost with the potential to release nitrous oxide covers about a fourth of the Arctic.

Bullet point # 1 reads: «Global mean temperatures are increasing at rates unprecedented in human history, with human activity a major contributory factor through release of «greenhouse gases» such as carbon dioxide, methane and nitrous oxide.

Approximately 90 % of nitrous oxide is released into the atmosphere from nitrogen fertilizer production and nylon products manufacturing.

Nitrous oxide, a potent greenhouse gas also known as N2O, is released as a byproduct of the bacterial conversion of nitrogen in agricultural soils, the so - called nitrification and denitrification processes.

Animals release methane as a result of microorganisms that are involved in their digestive processes and nitrous oxide from decomposing manure.

Methane and nitrous oxide are released, in part, by livestock.

Not only are such fires more likely as the climate changes but they also release vast quantities of carbon dioxide and other greenhouse gases such as nitrous oxide, contributing to climate change themselves.

Most of non-energy emissions stem from land use (especially deforestation in the tropics), agricultural practices (especially the release of methane from cattle production and rice fields, and the release of nitrous oxide from heavily fertilized fields), emissions from landfills and wastewater, and some exotic industrial and chemical processes.

The estimates — based on analysis of fire's impact on emissions of carbon dioxide, nitrous oxide, and methane; albedo or the reflectivity of Earth's surface; and release of aerosols and other particulates — suggest fire plays a major large role in climate than conventionally believed.

We also release other greenhouse gases, such as CFCs, methane, and nitrous oxide, in significant amounts.

Fortunately, as depicted in Figure 2 (orange «thermal down surface» arrow), some of this energy does stay in the atmosphere, where it is sent back toward Earth by clouds, released by clouds as they condense to form rain or snow, or absorbed by atmospheric gases composed of three or more atoms, such as water vapor (H2O), carbon dioxide (CO2), nitrous oxide (N2O), and methane (CH4).

The substitution of hydropower with natural gas also released substantial quantities of harmful pollutants, including nitrous oxides, volatile organic compounds, and particulates.

A paper published in Environmental Research Letters assessed climate impacts of deforestation beyond releasing carbon dioxide, including methane and nitrous oxide emissions.

Look beyond decades of carbon capture deficit, though, and you'll see biomass plants that release a bit more greenhouse gasses — as in 50 percent more CO2 and nitrous oxide than coal plants, and (across all pollutant categories) eight times more than a natural gas plant.

Coal combustion releases the greenhouse gases carbon dioxide (CO2) and nitrous oxide (N2O) during combustion.

Transportation policies that favor electric vehicles or even self - driving cars, for example, could someday lower emissions; in the energy sector, an increased focus on biofuels or hydrogen production could do the same; and in agriculture, slow release fertilizers could reduce nitrous oxide emissions.

It also seems that Rajt is quite myopic in her criticisms of factory farming, because as opposed to Niman's nuanced arguments, she completely fails to acknowledge the very serious problems of factory farmed monocrops, which wipe out entire ecosystems, turn our topsoil into a desert wasteland, and release massive amounts of carbon, methane, and nitrous oxide into the atmosphere.