These are incorporated based upon prior work using (1) the surface ozone response to
methane emissions changes from two global composition - climate models, (2) the impact of ozone on yields of four staple crops, wheat, maize, soy and rice, based on the methodology of Van Dingenen et al. (2009), and (3) their valuation using world market prices, as described in Shindell et al. (2012a).
Not exact matches
CALGARY — Prime Minister Justin Trudeau's promise to reduce
methane emissions in the oil and gas industry is being welcomed by environmentalists and, with some reservations, by industry players, as a key step in fighting climate
change.
These include poisonous
methane emissions from cows that accelerate climate
change and higher health care costs associated with unhealthy diets, which are ultimately paid for by society.
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.
Studies link enteric fermentation (that's a geeky name for
methane emissions — including cow gas) to climate
change.
Reducing food waste also impacts climate
change as 20 percent of total U.S.
methane emissions come from landfills.
Last year scientists writing in the journal Nature Climate
Change suggested cutting
methane emissions by pushing up the price of meat through a tax or
emissions trading scheme.
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.
«Reducing
methane emissions is a critical issue not only for the industry, but for everyone concerned about climate
change,» he said.
Regulating
emissions of
methane from fracking to free natural gas will have important co-benefits in slowing climate
change
This, along with
changes in livestock management, can lead to higher
methane emissions.
Reducing
emissions of black carbon and
methane can be done today with existing technologies, and could significantly slow climate
change
In a project sponsored by the U.S. National Aeronautics and Space Administration's (NASA) Carbon Monitoring System research initiative, researchers from the Joint Global
Change Research Institute (JGCRI) found that global livestock
methane (CH4)
emissions for 2011 are 11 % higher than the estimates based on guidelines provided by the Intergovernmental Panel on Climate
Change (IPCC) in 2006.
Smith and his former research assistant Andrew Mizrahi used a PNNL computer model, the Global
Change Assessment Model, or GCAM, to evaluate the impact of reducing soot and
methane emissions on Earth's climate.
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.
Single - point failures of natural gas infrastructure can hamper
methane emission control strategies designed to mitigate climate
change.
WASHINGTON (Reuters)- The United States and Canada agreed joint steps on Thursday to fight climate
change, including cutting
methane emissions from oil and gas operations and signing last year's Paris climate deal «as soon as feasible.»
The countries committed to cutting
emissions of
methane by 40 to 45 percent below 2012 levels by 2025, to take steps to fight climate
change in the Arctic, and to speed development of green technologies.
They found surprisingly, that human - induced
emissions of
methane and nitrous oxide from ecosystems overwhelmingly surpass the ability of the land to soak up carbon dioxide
emissions, which makes the terrestrial biosphere a contributor to climate
change.
But whether climate
change will ramp up
methane emissions will depend on soil moisture, said Turetsky.
Turetsky is the lead author of a paper published today in Global
Change Biology based on one of the largest - ever analyses of global
methane emissions.
Back in 2006, in a paper in Nature, Walter warned that as the permafrost in Siberia melted, growing
methane emissions could accelerate climate
change.
Steven Smith, lead author of Monday's study, told Reuters: «Our results don't
change previous findings that soot and
methane emission reductions would have beneficial effects for health and agriculture.»
Under the UN Framework Convention on Climate
Change (UNFCCC), rich nations must disclose all greenhouse gas
emissions, including
methane leaks.
The authors of the new study, Steven Smith and Andrew Mizrahi, both climate analysts at the Joint Global
Change Research Institute in College Park, Maryland, argue that for one thing, the earlier work assumes that dramatic cuts in
methane and soot
emissions are feasible based on shifting technologies and
changes in human behavior.
«Our data suggest that even if increasing amounts of
methane are released from degrading hydrates as climate
change proceeds, catastrophic
emission to the atmosphere is not an inherent outcome.»
Policymakers, energy companies and environmentalists alike are aiming to reduce
methane emissions as a way to curb climate
change.
While rising carbon dioxide
emissions are a primary concern of those worried about climate
change,
emissions of
methane, another potent greenhouse gas, have also risen in recent years.
«This study provides a key snapshot of Bakken
methane emissions that will help answer the bigger question: How much
methane is the U.S. emitting, where it is coming from and how is that
changing over time?»
«So, behavioral
change by composting our organics could prevent virtually all the
methane emissions from landfills without requiring any of the technological fixes and complex regulations.»
Methane is a greenhouse gas up to 35 times as potent as carbon dioxide as a driver of climate change over the span of a century, and landfills are the United States» third largest source of methane emissions, according to t
Methane is a greenhouse gas up to 35 times as potent as carbon dioxide as a driver of climate
change over the span of a century, and landfills are the United States» third largest source of
methane emissions, according to t
methane emissions, according to the EPA.
The National Research Council in Washington, D.C., estimates that dairy cows account for as much as 20 percent of human - induced
emissions of
methane, a potent climate
change — causing greenhouse gas.
Although carbon dioxide accounts for the vast majority of greenhouse gas
emissions from human activities,
methane emissions are also an important factor driving climate
change.
Geochemical records from measurements of the foraminifera shells and fauna analyses will help us evaluate the
changes in
methane emissions, while studies of living and fossil species distribution and abundance of the benthic foraminifera community in
methane seep areas will indicate the degree of
methane release through time.
We will follow the development in seep areas by yearly sampling to study eventual
changes in
methane release and ocean acidification related to
methane emissions over the CAGE project period, using several parameters.
«Reducing
methane emissions provides a more immediate response for climate
change,» he said.
I would be interested in your opinion on the relative contribution to climate
change made by: a) carbon
emissions from aviation and b)
methane emissions from livestock.
Or it could be that
methane variations are mostly produced by wetland
emission, driven by climate
change as well as land use decisions, according to another set of papers.
Why It Matters: Passing laws to regulate carbon dioxide
emissions,
methane emissions, or industrial particles could have an important effect on climate
change.
Also, do you believe that limiting
methane emissions from the world's 1 billion plus cattle through a vaccine or dietary manipulation would represent a meaningful step to mitigating climate
change?
Periods of volcanism can cool the climate (as with the 1991 Pinatubo eruption),
methane emissions from increased biological activity can warm the climate, and slight
changes in solar output and orbital variations can all have climate effects which are much shorter in duration than the ice age cycles, ranging from less than a decade to a thousand years in duration (the Younger Dryas).
If climate
change were to trigger large
emissions of
methane to the atmosphere from these old carbon reservoirs, the result would be even more warming.
Shifts of methanogenic communities in response to permafrost thaw results in rising
methane emissions and soil property
changes — Shiping Wei — Extremophiles
Carbon Budget and
Methane and Nitrous Oxide
Emissions Over the Growing Season in a Miscanthus sinensis Grassland in Tomakomai, Hokkaido, Japan, Yo Toma, Fabian Fernandez, Syohei Sato, Miki Izumi, Ryusuke Hatano, Toshihiko Yamada, Aya Nishiwaki, German Bollero, J. Ryan Stewart, Global
Change Biology - Bioenergy, DOI: 10.1111/j.1757-1707.2010.01070.x, October 18, 2010.
My report identified that the IPCC report was greatly underestimating the rates of
change of sea level rise, Greenland and Antarctic Ice melt rates, Arctic temperature amplification levels and completely ignored increased levels of Arctic
methane emissions.
Therefore it is necessary to study the magnitude of the
methane emissions and estimate their influence on climate
change.
Restoring tides to reduce
methane emissions in impounded wetlands: a new and potent Blue Carbon climate
change intervention.
In a previous paper written in 2014, Howarth painted
methane emissions from oil and gas production in dire terms, saying that ignoring fracking - related
methane emissions would lead to a climate
change tipping point and «global catastrophe» from which there is no return.
Vegetarians and others immediately blamed cows for contributing to climate
change with their
methane emissions.
As NOAA's Mauna Loa measurement of atmospheric
methane concentrations are only currently increasing at a rate of approximately 0.25 % per year (or 12.5 %
change in 50 - years); how could anyone be concerned that the
change in atmospheric
methane burden in 50 - years could be 300 % (as per Isaken et al (2011) case 4XCH4; which would require an additional 0.80 GtCH4 / yr of
methane emissions on top of the current rate of
methane emissions of 0.54 GtCH4 / yr)?