Sentences with phrase «burned as biomass»

Alternately, the whole stalk may be burned as biomass for fuel.
These fibers can also be burnt as biomass, or integrated into technology sectors such as activated charcoal and graphene technologies.

Not exact matches

Coal has seen significant declines in recent years, accounting for just 9 % of electricity generation in 2016, down from around 23 % the year before, as coal plants closed or switched to burning biomass such as wood pellets.
It has long been known that biomass burningburning forests to create agricultural lands, burning savannah as a ritual, slash - and - burn agriculture and wildfires — figures into both climate change and public health.
The results suggest biomass burning of polluted forest fuels may exacerbate poor air quality — and related health concerns — in some of the world's most heavily polluted areas, among them, the Los Angeles metropolitan area, which is expected to suffer from more wildfires as drought conditions continue.
«If you're serious about addressing global warming, you have to deal with biomass burning as well.»
Black carbon aerosols — particles of carbon that rise into the atmosphere when biomass, agricultural waste, and fossil fuels are burned in an incomplete way — are important for understanding climate change, as they absorb sunlight, leading to higher atmospheric temperatures, and can also coat Arctic snow with a darker layer, reducing its reflectivity and leading to increased melting.
A third route, known as pyrolysis, heats dried and ground biomass to about 550 ˚C in an oxygen - depleted chamber (so the biomass doesn't burn), producing a mixture of gases, liquids, and a gray, carbon - rich solid called coke.
Biomass, which is essentially trees and grasses as well as forestry and agricultural waste, is burned as a source of both heat and electricity all over the world
Lawmakers are once again pushing U.S. EPA and other federal agencies to recognize the burning of biomass as a carbon - neutral energy source.
Pruitt's statements also came as EPA's Science Advisory Board remains deadlocked after years of debate on the best way to advise regulators on how to account for emissions from burning biomass.
As with any biomass fuel, any carbon dioxide produced when the reed is burnt was extracted from the air when it grew, so producing and burning it does not add carbon dioxide to the atmosphere.
Another human - caused culprit is biomass burning, as herders burn land to stimulate grass growth, and farmers burn the landscape to convert terrain into farming land and to get rid of unwanted biomass after the harvest season.
The researchers do not recommend that inexperience people burn biomass, as this contributes to air pollution and can trigger tragic blazes, including wildfires.
Scientists employed methods developed in this study to tag each source of aerosol, such as fossil - fuel burning from vehicles and power plants, or biomass burning, and follow its path in the model.
As a matter of fact, if you burn every little bit of fossile fuel and all the free carbons and any thing of biomass origin, you would exactly exhaust all oxygen and render the atmosphere back to the lifeless and oxygen depleted primordial environment.
«As the rate of biomass burning increases, so do the impacts to human health,» Jacobson said.
Black carbon is the term used for sooty particles produced by fossil fuel combustion and come from things such as automobile exhaust and biomass burning.
«Climate change, as well as human - caused deforestation and biomass burning, can lead to ecological and climatic tipping points that could release massive pools of stored carbon,» said Scot Martin, the Gordon McKay Professor of Environmental Science and Engineering at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) and Professor of Earth and Planetary Sciences in the Department of Earth and Planetary Sciences.
As a matter of fact, if you burn every little bit of fossile fuel and all the free carbons and any thing of biomass origin, you would exactly exhaust all oxygen and render the atmosphere back to the lifeless and oxygen depleted primordial environment.
But just as burning trees could not launch an industrial revolution, burning biomass can not sustain our current technological and economic demands.
Conversion of coal plants to burn wood, dedicated new - build wood burning power plants as well as combined heat and power and biomass boilers for heating are creating huge new demand for wood pellets.
Producing electricity from the burning of wood, or biomass, has long been viewed as an environmentally friendly way of generating power.
Just as the myth that burning biomass is «carbon neutral» has been relentlessly perpetrated, now another myth has emerged.
The team also used the Global Fire Emissions Database to estimate carbon dioxide emissions from biomass burning, as large swaths of Australian grasslands burn every year, dumping carbon into the atmosphere.
It is not possible to say whether the remaining Parties excluded estimates of fuelwood or biomass burning as the information available was not adequate and it is possible that national harvest statistics have taken them into account.
As a result, the chief executive of Drax said they «should be compensated for «harm» to its biomass - burning unit».
Burning wood instead of coal therefore creates a carbon debt — an immediate increase in atmospheric CO2 compared to fossil energy — that can be repaid over time only as — and if — NPP [net primary production] rises above the flux of carbon from biomass and soils to the atmosphere on the harvested lands.»
The plan would also allow biomass power plants to continue to burn some coal so long as they operate under the emissions limit.
Delaying action to curtail greenhouse gases through 2030 would reduce options to stabilize the gases, require much more rapid scale - up of low - carbon technologies and rely more on techniques that take carbon dioxide out of the atmosphere, such as combining burning biomass with carbon capture and storage, the researchers wrote.
Burning biomass, whether directly as wood or in the form of ethanol or biodiesel, emits carbon dioxide, just like burning fossilBurning biomass, whether directly as wood or in the form of ethanol or biodiesel, emits carbon dioxide, just like burning fossilburning fossil fuels.
Then there are regulatory or legislative pressures on EPA to categorize biomass burning as carbon - neutral in the regulations that comprise the Clean Power Plan.
The latest controversy centers on EPA's proposed rule to characterize biomass burning as a carbon - neutral replacement for fossil fuels under the Clean Power Plan — an issue covered smartly in June 2016 by the Washington Post and in October 2016 by New York Times economic columnist Eduardo Porter.
The largest source is biomass combustion — such as burning forests and grasslands to clear them for agriculture.
Furthermore, the Protocol does not mention other factors that affect the climate, such as sulfate aerosols from coal - fired power plants, soot from diesel engines, and smoke from the burning of biomass (mostly in developing countries).
During a 10 - year investigation detailed in the latest issue of the Journal of Geophysical Research, Stanford University scientist Mark Jacobson isolated the widespread warming effects from all sources of soot â $» the visible residue of burned wood, crops, oil, biomass and other fuels â $» from the climate impacts caused by greenhouse gases such as carbon dioxide and methane.
Image at right: Natural and anthropogenic biomass burning, such as forest fires and the burning of fields in the tropics, produce black carbon aerosols, i.e., soot.
In 2006, about 18 % of global final energy consumption came from renewables, with 13 % coming from traditional biomass, such as wood - burning.
It seems as if orthodox environmentalists prefer burning wood or biomass versus fossil fuels.
You overlook the most absurd part of the bill in that in other parts of the bill it refers to trees as renewable biomass and you can get renewable energy credits for cutting them down and burning them.
Some forms of carbon removal are also subject to significant debate, such as whether bioenergy with carbon capture and storage (BECCS)-- which involves burning biomass like crop wastes for energy and capturing and storing the carbon emissions underground in geological formations — can be truly sustainable at a large scale given competing needs for land, among other concerns.
A five - year investigation, ORACLES is examining the impact aerosols from biomass burning in southern Africa has on climate as it mixes with clouds over the southeast Atlantic Ocean.
A new study has investigated the health impacts and costs of using biomass for power and heat production, concluding that tens of thousands of EU citizens are dying prematurely every year as a result of exposure to air pollution from burning solid biomass.
Scientists will also use soot spectroscopy observations to fine - tune their understanding of how heat - producing activities, such as biomass burning and oil and gas production, contribute to Arctic warming.
As such, increasing variability in moisture conditions have been linked to enhanced fires, as wet / dry oscillations promote rapid biomass growth and natural fire suppression (fuel accumulation), followed by subsequent burning [8,10 — 13As such, increasing variability in moisture conditions have been linked to enhanced fires, as wet / dry oscillations promote rapid biomass growth and natural fire suppression (fuel accumulation), followed by subsequent burning [8,10 — 13as wet / dry oscillations promote rapid biomass growth and natural fire suppression (fuel accumulation), followed by subsequent burning [8,10 — 13].
Recently, when Lehmann and his colleagues compared biochar systems — in which biomass is burned in low - oxygen stoves and added to the soil as a fertilizer — to bioenergy with carbon capture and storage systems (BECCS)-- like geologic sequestration — they found that biochar systems were ultimately cheaper, more technologically feasible, and likely to be adopted earlier.
The models» composite annual mean OA surface air concentrations exceed 0.5 microgram of carbon per cubic meter across most continental regions, as shown at the left of Fig. 3, with maximum concentrations primarily over biomass burning regions and secondarily over industrialized areas.
«They've convinced certain legislators in Congress to vote for legislation written by biomass industry lobbyists that would force EPA to treat tree - burning power plants as if they have zero carbon emissions, claiming that as long as US forest stocks are stable or growing by any amount, this offsets the carbon pollution pouring from the smokestacks of wood - burning power plants.»
Black soot was produced in large quantities before 1950 and in fact larger quantity than today since we don't burn as much biomass these days.
The interim results are the first time that a GHG emissions profile has been broken down into its «constituent elements of forest carbon stock change, non-CO2 emissions from biomass burning, CO2 and non-CO2 emissions from mineral soil, as well as biological oxidation and direct N2 O, dissolved organic carbon and CH4 emissions from disturbed peat, and CO2 and non-CO2 emissions from peat fire.»
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