Not exact matches
In Ottawa this past June, the leaders
of Canada, the U.S. and Mexico pledged to work together to reduce
methane emissions from the oil and
gas industry between 40 % and 45 % by 2025.
Chris Severson - Baker, Alberta director
of the Pembina Institute, said reducing
methane emissions is critical because the
gas is 25 times more potent as a climate warming agent than carbon dioxide.
An Environmental Defense Fund - commissioned study by consultancy ICF International found that Canada's oil and
gas industry could achieve a 45 per cent
methane emission reduction at an average cost
of $ 2.76 per tonne
of carbon dioxide equivalent.
They'll also vote on a proposal requiring it to report on its efforts to restrict
emissions of methane, a powerful greenhouse
gas.
«The other
emissions come from things like landfill
gas emissions, agriculture tilling — the release
of methane through soil — those types
of emissions are really difficult to measure and calculate, so generally for carbon pricing programs you don't cover those
emissions.»
Methane accounts for 10 percent
of U.S. greenhouse
gas emissions, according to the Environmental Protection Agency.
But the livestock sector is responsible for about 14.5 percent
of global greenhouse
gas emissions, through cows producing
methane and production processes - comparable to all the direct
emissions from cars, planes, ships and other transport.
In the nearer term, the key is to curb some
of the most concentrated sources
of greenhouse
gas emissions like
methane and black carbon, Gov. Brown said.
Disclosing the Facts: Transparency and Risk in
Methane Emissions focuses on the critical risk of methane emissions and how companies are managing methane reduction, reflecting rising investor concern that excessive methane emissions from oil and gas operations will undercut the potential net climate benefit of substituting natural gas for coal, especially in decarbonizing energy m
Methane Emissions focuses on the critical risk of methane emissions and how companies are managing methane reduction, reflecting rising investor concern that excessive methane emissions from oil and gas operations will undercut the potential net climate benefit of substituting natural gas for coal, especially in decarbonizing energy
Emissions focuses on the critical risk
of methane emissions and how companies are managing methane reduction, reflecting rising investor concern that excessive methane emissions from oil and gas operations will undercut the potential net climate benefit of substituting natural gas for coal, especially in decarbonizing energy m
methane emissions and how companies are managing methane reduction, reflecting rising investor concern that excessive methane emissions from oil and gas operations will undercut the potential net climate benefit of substituting natural gas for coal, especially in decarbonizing energy
emissions and how companies are managing
methane reduction, reflecting rising investor concern that excessive methane emissions from oil and gas operations will undercut the potential net climate benefit of substituting natural gas for coal, especially in decarbonizing energy m
methane reduction, reflecting rising investor concern that excessive
methane emissions from oil and gas operations will undercut the potential net climate benefit of substituting natural gas for coal, especially in decarbonizing energy m
methane emissions from oil and gas operations will undercut the potential net climate benefit of substituting natural gas for coal, especially in decarbonizing energy
emissions from oil and
gas operations will undercut the potential net climate benefit
of substituting natural
gas for coal, especially in decarbonizing energy markets.
The total biomass
of our livestock is almost double that
of the people on the planet and accounts for 5 %
of carbon dioxide
emissions and 40 %
of methane emissions — a much more potent greenhouse
gas.
The joint statement by the Institutional Investors Group on Climate Change, the Investor Network on Climate Risk, and the Investors Group on Climate Change also encourages intensive
gas users and governments in oil and
gas importing regions to consider playing a role in encouraging control
of methane emissions.
«Greenhouse
gas emissions are going to go through the roof with a project
of this kind,» said Wilderness Committee National Campaign Director Joe Foy «From escaped
methane at the drill sites to the massive carbon
emissions required to cool the
gas, to more escaped
methane on the long trip across the ocean to Asia and then the
emissions from burning the
gas.
Worldwide, livestock generate between 14.5 and 18 percent
of greenhouse
gas emissions — mainly
methane and nitrous oxide, which are more harmful to the climate than even CO2.
The livestock industry notes that if some or most
of the
methane could be incorporated into the animal's nutrition processes, rather than being emitted, this would increase productive weight gain at the same time as cutting greenhouse
gas emissions, for a double bonus effect.
Manure monofermentation contributes to the reduction
of the
emission of greenhouse
gases in two ways, being by reducing the
methane volume on the one hand and by generating green energy on the other,» ter Avest said.
California dairy farmers — from the nation's leading agricultural state — are facing pressure to lower
methane emissions under the state's ambitious new greenhouse
gas reduction laws, which include
methane emission reduction targets
of 40 percent below 2013 levels by 2030.
This comprises the single largest component
of municipal solid waste9 — generating a large portion
of U.S.
methane emissions (a greenhouse
gas 21 times more potent than carbon dioxide.)
Dairy farmers in California are already facing pressure to lower
methane emissions under the state's ambitious new greenhouse
gas reduction laws, which include
methane emission reduction targets
of 40 % below 2013 levels by 2030.
The digester has significantly reduced
methane emissions by over 1,600 metric tons
of CO2e each year — equivalent to eliminating the annual greenhouse
gas emissions from about 350 passenger cars.
Methane gas is second behind carbon dioxide in contributing to the greenhouse effect and global warming; cow flatulence and excretion account for 20 percent, or 100 million tons, of the total annual global methane emi
Methane gas is second behind carbon dioxide in contributing to the greenhouse effect and global warming; cow flatulence and excretion account for 20 percent, or 100 million tons,
of the total annual global
methane emi
methane emissions.
Emissions of methane — which is a potent greenhouse gas - are already subject to control, but I am today commissioning a study of the possible impacts of shale gas development on greenhouse gas emissions and climat
Emissions of methane — which is a potent greenhouse
gas - are already subject to control, but I am today commissioning a study
of the possible impacts
of shale
gas development on greenhouse
gas emissions and climat
emissions and climate change.
Because
methane emissions from a cow's manure are typically lower than those released from its belching, future studies should look at the effect
of antibiotics on that source
of the greenhouse
gas, too, the researchers suggest.
The findings are the first to note increased greenhouse
gas emissions due to antibiotic use in cattle; a recent study suggests that
methane emissions from cud - chewing livestock worldwide, including cows, account for about 4 %
of the greenhouse
gas emissions related to human activity.
Regulating
emissions of methane from fracking to free natural
gas will have important co-benefits in slowing climate change
Headed toward an 8 F rise in warming Other such low - probability but high - risk scenarios mentioned in the report include ecosystem collapses, destabilization
of methane stored in the seafloor and rapid greenhouse
gas emissions from thawing Arctic permafrost.
ClimateWire ranked only the top 40 U.S. oil and
gas companies by assets, who together contributed 67 percent
of the
methane emissions from the production sector.
While this is a good way to get total
emissions of methane in a remote location where the main source
of the
gas is natural
gas production, it is not a good way to pin
emissions down to any one well, gathering or processing activity in the basin.
It is a member
of a U.N. - led initiative to reduce
emissions of methane, a potent greenhouse
gas that is the primary component
of natural
gas.
If other megacities do too, urban
methane emissions may represent an important source
of this potent greenhouse
gas.
«The
methane emissions from the
gas wells... are surprisingly high considering that all
of these wells were still being drilled, had not yet been hydraulically fractured, and were not yet in production,» the paper reports.
Preventing unintended leaks during the extraction
of shale
gas would diminish
methane emissions, for example.
A team
of researchers from the Cockrell School
of Engineering at The University
of Texas at Austin and environmental testing firm URS reports that a small subset
of natural
gas wells are responsible for the majority
of methane emissions from two major sources — liquid unloadings and pneumatic controller equipment — at natural
gas production sites.
The study team believes this research, published Dec. 9 in Environmental Science & Technology, will help to provide a clearer picture
of methane emissions from natural
gas production sites.
The study team hopes its measurements
of liquid unloadings and pneumatic devices will provide a clearer picture
of methane emissions from natural
gas well sites and about the relationship between well characteristics and
emissions.
«There are also other important measures to reduce
methane emissions from coal mining, municipal waste treatment and
gas distribution, for example, as well as black carbon
emission reductions through elimination
of high - emitting vehicles, use
of cleaner biomass cooking and heating stoves, replacement
of kerosene wick lamps with LED lamps and other measures,» adds Zbigniew Klimont
of the International Institute for Applied Systems Analysis, Austria, who also took part in the study.
Most carbon
emissions linked to human activity are in the form
of carbon dioxide
gas (CO2), but other forms
of carbon include the
methane gas (CH4) and the particles generated by such fires — the tiny bits
of soot, called black carbon, and motes
of associated substances known as brown carbon.
In late March, the Obama administration released guidance directing U.S. EPA to address
methane emissions from the oil and
gas industry, after a number
of studies measuring
emissions from the air, known as «top - down» measurements, showed that the agency's
emissions estimates for the industry were too low (ClimateWire, March 31).
Lamb's
methane emissions project is part
of a group
of ongoing studies that are looking at the entire natural
gas supply chain, from the production wells to the transmission pipeline system to local distribution systems.
He also models the global warming that would occur if concentrations
of greenhouse
gases in the atmosphere were to be doubled (due to increases in carbon dioxide and
methane emissions from dragons and the excessive use
of wildfire).
Methane is a key greenhouse gas; the Arctic is a key region for natural emissions of methane; high summer and autumn are key periods when emissions can peak and change r
Methane is a key greenhouse
gas; the Arctic is a key region for natural
emissions of methane; high summer and autumn are key periods when emissions can peak and change r
methane; high summer and autumn are key periods when
emissions can peak and change rapidly.
A new study provides one
of the first quantitative estimates
of the
methane leak rate from the blowout
of a natural
gas well in California in 2015, suggesting that
emissions from this event temporarily doubled those from all other sources in the entire Los Angeles Basin, including landfills, dairies, and other leaks.
As a result,
methane emissions have distinct isotopic values: Methane emitted from any microbially driven source such as wetlands or agriculture have values of about -60 ‰ (signifying a relatively low ratio of carbon - 13 to carbon - 12); oil, gas, and coal emissions have an average carbon isotopic value of -37 ‰; and tree and crop burning averages about
methane emissions have distinct isotopic values:
Methane emitted from any microbially driven source such as wetlands or agriculture have values of about -60 ‰ (signifying a relatively low ratio of carbon - 13 to carbon - 12); oil, gas, and coal emissions have an average carbon isotopic value of -37 ‰; and tree and crop burning averages about
Methane emitted from any microbially driven source such as wetlands or agriculture have values
of about -60 ‰ (signifying a relatively low ratio
of carbon - 13 to carbon - 12); oil,
gas, and coal
emissions have an average carbon isotopic value
of -37 ‰; and tree and crop burning averages about -22 ‰.
If these rates continue,
emissions of methane, a greenhouse
gas 25 times more powerful than carbon dioxide on 100 - year time scales, will increase 4 percent over the next decade.
Experts on greenhouse -
gas emissions tell me that every time my car burns a gallon
of gasoline, I am putting more than 25 pounds
of carbon dioxide into the atmosphere as well as a smaller amount
of methane, nitrous oxide, and various other toxic
gases.
For its part, AGA is quick to highlight U.S. EPA's estimates
of methane emissions from natural
gas.
What proved possible included an extension
of the Kyoto Protocol for a period
of either five or seven years (excluding Canada, Japan and Russia but adding nitrogen trifluoride, used in semiconductor manufacture, to the list
of gases covered — CO2,
methane, nitrous oxide, sulfur hexafluoride, perfluorocarbons), a Green Climate Fund to help low - income countries cope (albeit without any actual funds yet), an Adaptation Committee to coordinate such efforts globally, rules for a global program to reduce deforestation and how to monitor such deforestation, and a Climate Technology Center that will help launch projects to reduce greenhouse
gas emissions.
Single - point failures
of natural
gas infrastructure can hamper
methane emission control strategies designed to mitigate climate change.
There are also outstanding questions related to the real - world efficiency gains
of natural
gas fuels and the life - cycle
emissions they produce based on
methane leakage in the production process.
On Tuesday, the governments
of California and six other western states as well as four Canadian provinces proposed a new plan to cut greenhouse
gas emissions by 15 percent below 2005 levels by 2020 using a similar cap - and - trade market — and would expand such regulations to encompass not just CO2 from power plants but also cars and trucks as well as other greenhouse
gases, such as potent
methane.
The conclusion
of the authors: The warming climate triggers not only the natural production
of biogenic
methane, it can also lead to stronger
emissions of fossil
gas.