Sentences with phrase «by methane emissions»

Marcellus Shale production is helping the Commonwealth to lower carbon emissions with $ 10.5 billion worth of new power natural gas - fired power plant investments, and as this latest study shows — those benefits aren't even close to being cancelled out by methane emissions from record production.

Pierrehumbert said Howarth uses the figure for methane's 20 - year global warming potential — 86 times that of carbon dioxide — without seriously discussing the magnitude of warming caused by those methane emissions compared to warming prevented by the reduction in carbon dioxide emissions.

During the early 2000s, environmental scientists studying methane emissions noticed something unexpected: the global concentrations of atmospheric methane (CH4)-- which had increased for decades, driven by methane emissions from fossil fuels and agriculture — inexplicably leveled off.

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.

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.

Mascarenhas estimates that applying her company's technology to the methane that's currently vented or flared could reduce Alberta's GHG emissions by 60 megatonnes — 35 % of Canada's 2020 reduction goal — at a cost of less than $ 1.70 per tonne.

While they acknowledged that methane emissions by the energy industry have decreased over the last few years, they still expressed a belief that it needed to be regulated, so they put together new rules that would force energy companies to decrease their methane emissions by 40 % to 55 % over the next 10 years.

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.

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.

We are living in an enormous fabric of life, where anti-poverty measures may create new pressures caused by excess consumption; where methane emissions increase if we eat more beef or throw food waste in a landfill; where drought leads to forest fires and more carbon; where marginalizing women makes communities less resilient.

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.

Certified farms must reduce their carbon footprint by providing cattle with an easy to digest diet — generating less methane emissions — treating manure and protecting the trees in pastures and neighboring forested areas.

As one of the group's leaders, Hsu Jen - hsiu, rightly says eating less or no meat is a way to love our planet because livestock emit large volumes of methane into the atmosphere, which contribute more to global warming than the emissions produced by all the vehicles around the world.

Researchers in Victoria have cut methane emissions in dairy cows 20 per cent by feeding them grape marc (stems, seeds and skins), part of 200,000 tonnes mostly discarded by the wine industry every year.

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.

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.

The emission of methane by ruminants is probably not affected by organic production.

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.

In this study, we created new per - animal emissions factors — that is measures of the average amount of CH4 discharged by animals into the atmosphere — and new estimates of global livestock methane emissions.»

Methane emissions from liquids unloading in the San Juan fell by 66 percent since 2013, and emissions from pneumatic devices fell by 59 percent, she said.

«These studies are a wake - up call ahead of U.N. Climate Week — we must not only zero out CO2 emissions by 2050, but also rapidly limit superpollutants like HFCs and methane, and even undertake atmospheric carbon removal,» said Bledsoe, a former Clinton White House climate adviser.

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.

The research team led by Walter Anthony focused on methane emissions from lakes, where permafrost thaws much deeper than on land.

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.

Overall, the new measures would lower global anthropogenic emissions of methane by 50 % and of black carbon aerosols, also known as soot, by 80 %.

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.

A team led by Washington State University researchers has found that methane emissions from local natural gas distribution systems in cities and towns throughout the U.S. have decreased in the past 20 years with significant variation by region.

The study examined what the future could look like in an idealized world where soot and methane emissions were severely cut by 2035.

Additionally, for pneumatic devices, the study confirmed regional differences in methane emissions first reported by the study team in 2013.

All told, such efforts to restrain methane and soot emissions could help hold back global average temperature increases by more than 0.5 degree Celsius this century and improve public health.

Aggressive measures to curtail the use of fossil fuels and emissions of so - called short - lived climate pollutants such as soot, methane and HFCs would need to be accompanied by active efforts to extract CO2 from the air and sequester it before it can be emitted.

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.

Just a 1 degree rise in surface temperature would boost methane emissions from boreal lakes by about 10 percent, DelSontro found.

After heating the ponds by 4 to 5 degrees over seven years, the scientists found the lakes» methane emissions more than doubled.

This stability in methane levels had led scientists to believe that emissions of the gas from natural sources like livestock and wetlands, as well as from human activities like coal and gas production, were balanced by the rate of destruction of methane in the atmosphere.

«Our results suggest that sedimentation - driven methane emissions from dammed river hot spot sites can potentially increase global freshwater emissions by up to 7 percent,» said the report.

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.

Specifically, the incorporation of this oilseed plant into animal food cuts methane emissions by between 6 % and 13 % and carbon dioxide emissions by between 6.8 % and 13.6 %.

However, new modeling by researchers at Caltech and Harvard University suggests that methane emissions might not have increased dramatically in 2007 after all.

The results of this work open up the possibility of reducing methane emissions and of contributing to a reduction in global temperatures which is caused by greenhouse gases.

A surprising recent rise in atmospheric methane likely stems from wetland emissions, suggesting that much more of the potent greenhouse gas will be pumped into the atmosphere as northern wetlands continue to thaw and tropical ones to warm, according to a new international study led by a University of Guelph researcher.

«It is true that they do warm climate by strong methane emissions when they first form, but on a longer - term scale, they switch to become climate coolers because they ultimately soak up more carbon from the atmosphere than they ever release.»

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.

But a new report suggests that tackling emissions of two other short - lasting pollutants — methane and the black component of soot — could slow expected warming by a full 0.5 ˚C beyond what targeting CO2 alone could accomplish by 2070.

At least two studies published since 2010 — one report from the United Nations Environment Programme in 2011 and a follow - up published in Science last year — suggested that significantly reducing the emissions of soot and methane could trim human - caused warming by at least 0.5 °C (0.9 ° F) by 2050, compared with an increase of about 1 °C if those emissions continued unabated.

To comply, the 182 nations that signed the protocol must meet targets for reducing emissions of greenhouse gases — climate - warming gases that include the common industrial by - products carbon dioxide and methane.

But based on that data, they estimate that emissions from abandoned wells represents as much as 10 percent of methane from human activities in Pennsylvania — about the same amount as caused by current oil and gas production.

As a result, the team has turned to other projects funded by outside groups, such as measuring methane emissions from natural gas fields in Utah (ClimateWire, Aug. 7).