Then
the resulting waste gas, largely carbon dioxide and water, is cycled back into a boiler in a process that concentrates the carbon dioxide.
Not exact matches
Even if 60 % of agriculture would convert to organic farming, concentrated feed were reduced by 50 % and food
waste by 50 %, it would
result in a food system with significantly decreased environmental impacts, including lower overall greenhouse
gas emissions, and only a marginal increase in agricultural land area.
We can reduce our environmental impact since food
waste puts unnecessary pressure on land and natural resources and
results in additional greenhouse
gas emissions.
Food
waste contributes to unnecessary resource use and the
resulting environmental impact, including contribution to greenhouse
gas emissions, worldwide.
So bioenergy only reduces greenhouse
gases if it
results from additional plant growth or in some other way uses carbon that would not otherwise be stored (for example, by using the
waste material left after timber harvest that would decompose rapidly anyway).
Unlike other forms of carbon storage,
waste gases can be converted to stone at relatively shallow depths, the leakage risk is minimal and the
results are permanent.
Traditionally, suppressing oxygen while feeding biodegradable
waste to microbes
results in the production of methane - rich
gas through anaerobic digestion.
Ultimately, the energy industry won a critical change in the federal government's legal definition of
waste: Since 1988, all material
resulting from the oil and
gas drilling process is considered non-hazardous, regardless of its content or toxicity.
Research has shown that the time
wasted in
gas lines
resulting from the price ceiling cost most American consumers more money than what they «saved» by paying less for price - controlled gasoline.
But a specially type of infrared photography has created a breakthrough in efforts to cut pollution from the expanding oil and
gas industry,
resulting in reduced greenhouse
gas emissions, less local air pollution and less
wasted natural
gas.
Model additions include
results from (i) quantum chemical calculations that clarify the previously uncertain
gas phase mechanism of formation of MSA and (ii) a combination of published and experimental estimates of OSC emissions, such as those from marine, agricultural, and urban processes, which include pet
waste and human breath.
[1] The Clean Energy Standard Act of 2012 defines «clean» electricity as «electricity generated at a facility placed in service after 1991 using renewable energy, qualified renewable biomass, natural
gas, hydropower, nuclear power, or qualified
waste - to - energy; and electricity generated at a facility placed in service after enactment that uses qualified combined heat and power (CHP), [which] generates electricity with a carbon - intensity lower than 0.82 metric tons per megawatt - hour (the equivalent of new supercritical coal), or [electricity generated] as a
result of qualified efficiency improvements or capacity additions at existing nuclear or hydropower facilities -LSB-; or] electricity generated at a facility that captures and stores its carbon dioxide emissions.»
The
results of your actions can have an immediate impact: cleaner industries; cleaner engines and oil and
gas production; cleaner recycling and
waste processing; cleaner brick kilns and cookstoves; and cleaner urban air.»
-- The term «qualified
waste - to - energy» means energy from the combustion of municipal solid
waste or construction, demolition, or disaster debris, or from the gasification or pyrolization of such
waste or debris and the combustion of the
resulting gas at the same facility, provided that --
As a
result, many environmental experts fear that if manufacturers are not paid to destroy the
waste gas, they will simply resume releasing it into the atmosphere.
As a
result of political horse trading at UN negotiations on climate change, countries like Russia and the Ukraine were allowed to create carbon credits from activities like curbing coal
waste fires, or restricting
gas emissions from petroleum production.
-- The term «qualified
waste - to - energy» means energy from the combustion of post-recycled municipal solid
waste, or from the gasification or pyrolization of such
waste and the combustion of the
resulting gas at the same facility, if the owner or operator of the facility generating electricity from the energy provides to the Commission, on an annual basis --
The US Department of Energy's Argonne National Laboratory and the sustainable energy NGO Energy Vision released two case studies assessing the
results of projects that were among the first to produce Renewable Compressed Natural
Gas (R - CNG) vehicle fuel by using anaerobic digesters to capture the biogases from decomposing organic
waste....
Today, more than 1/3 of our nation depends on this fuel source for electricity, meaning when oil and
gas companies let it escape into the atmosphere, it not only accelerates global warming, it also
results in massive amounts of
wasted resources and diminishes our energy independence.
Ultimately, the energy industry won a critical change in the federal government's legal definition of
waste: Since 1988, all material
resulting from the oil and
gas drilling process is considered non-hazardous, regardless of its content or toxicity.
Biofuels can only reduce greenhouse
gases if they
result in additional plant growth, or if they in effect generate additional useable biomass by capturing
waste material that would otherwise decompose anyway.
«According to the EPA's Renewable Fuel Standards Program Regulatory Impact Analysis, released in February 2010, biodiesel from soy oil
results, on average, in a 57 % reduction in greenhouse
gases compared to fossil diesel, and biodiesel produced from
waste grease
results in an 86 % reduction»
A method used to extract natural
gas from shale involving horizontal drilling, high pressures, lots of waters, lots of chemicals,
resulting in toxic
waste.
Compared to products not meeting EPEAT criteria, these electronics will
result in the reduction of 38.8 million metric tons of greenhouse
gasses, elimination of 670,484 metric tons of hazardous
waste, and will reduce solid
waste by the equivalent of 291,913 U.S. households» annual
waste.
Individual targets for greenhouse
gases not covered by the ETS — mainly those
resulting from buildings, transport, agriculture and
waste — range from — 20 % for Denmark to +20 % for Bulgaria.
The largest opportunity to reduce
gas demand exists in industry, through improved energy efficiency as a
result of reusing
waste heat and upgrading boilers.