Sentences with phrase «emissions than methane»

Not exact matches

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.

We're producing much more than we ever have, yet our methane emissions are going down, and they chose to regulate it?»

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.

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.

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.

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.

Another major benefit of covered anaerobic lagoons is that the methane biogas produced within them is not only prevented from escaping into the atmosphere (where it is many times more damaging than C02 emissions) but is also harnessed to generate energy — rather than waste water being heavy consumers of energy in processing and oxygenation.

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.)

Another major benefit of covered anaerobic lagoons with efficient green energy storage is that the methane biogas produced is not only prevented from escaping into the atmosphere (where it is many times more damaging than C02 emissions) but is also harnessed to generate energy — rather than waste water plants being heavy consumers of energy in processing and oxygenation.

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.

Over the course of the experiment, emissions of planet - warming methane from the dung of antibiotic - dosed cows were, on average, 80 % higher than those from the manure of untreated cattle, the team reports online today in the Proceedings of the Royal Society B.

«Global methane emissions from agriculture larger than reported, according to new estimates.»

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.

The researchers measured emissions rates of 34 grams of methane per second — 100 to 1,000 times greater than those estimates.

Whilst methane - burning is cleaner that other fossil fuels, any methane not burnt and released in the emissions from the engine has a much greater warming effect than oil - based fuel.

Natural gas, which is mainly methane, may generate less carbon dioxide than oil and coal when burned, but as recent research has found, there's more to greenhouse gas emissions than just combustion.

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.

Cattle are responsible for 20 percent of U.S. emissions of methane, which traps heat in the atmosphere 20 times more effectively than carbon dioxide.

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.

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

Emissions are far lower than in standard incineration, and the process reduces landfill volume and methane release.

Environmental controls designed to prevent leaks of methane from newly drilled natural gas wells are effective, a study has found — but emissions from existing wells in production are much higher than previously believed.

«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.»

A new study finds that methane emissions from shale gas production are nearly 50 times lower than previous estimates, improving the climate benefit of switching from coal to natural gas.

Global methane and ethane emissions from oil production from 1980 to 2012 were far higher than previous estimates show, according to a new study which for the first time takes into account different production management systems and geological conditions around the world.

«I think, first, they are a significant concern because methane emissions are 70 percent more potent than other climate pollutants.

One of the big takeaway from the big UT Austin / Environmental Defense Fund (EDF) methane leakage study released today is emissions rates are actually lower in some parts of the production process than initially thought.

The process generates copious amounts of nitrous oxide, a greenhouse gas 300 times more potent than carbon dioxide, while the output of methane — another potent greenhouse gas — from cattle is estimated to generate some 20 percent of overall U.S. methane emissions.

Regardless, the team emphasized that meeting upcoming greenhouse gas emission targets will require deeper emissions cuts than just building natural gas plants with low methane leakage.

It produces less carbon dioxide emissions than coal for electricity or gasoline and diesel for fuel, but even a small amount of natural gas release — which is essentially methane — packs a greenhouse gas punch about 30 times more powerful than the same amount of carbon dioxide.

While fracking has become a focal point in conversations about methane emissions, it certainly appears from this and other studies that in the U.S., fossil fuel extraction activities across the board likely emit higher than inventory estimates.»

Although ponds less than a quarter of an acre in size make up only 8.6 % of the surface area of the world's lakes and ponds, they account for 15.1 % of carbon dioxide (CO2) emissions and 40.6 % of diffusive methane (CH4) emissions.

When ruminants digest their feed, methane is formed as a natural by - product of the microbial process in the rumen, and since methane is a 25 times more powerful greenhouse gas than carbon dioxide, there is a need to devise methods to reduce such emissions from cattle.

The United Nations Environment Program estimates that cutting back on methane and soot emissions alone could prevent 0.7 degree Celsius of additional warming by 2040 — and those cooling benefits could come faster than comparable cuts in CO2.

The study also found that open landfills emit 91 percent of all landfill methane emissions, while closed landfills are 17 percent more efficient than open landfills at capturing methane so it does not escape into the atmosphere.

In Boston, methane emissions from aging pipes and other sources may be more than double official state estimates for the city, according to a study published Thursday in the Proceedings of the National Academy of Sciences, which was led by a team of researchers and scientists at Harvard University.

«Other studies have indicated that methane emissions follow a so - called «heavy - tailed» distribution, but what we're saying is that this pattern is widespread and even more extreme than previously thought,» Brandt said.

Even without figuring these surprising methane emissions, I think these fuels may possibly entail greater GHG emissions than they offset — in the manufacture of pesticides, fertilizers, farm equipment; irrigation water & energy to pump it; transporation of bauxite from S. America (harming rainforests) to make farm equipment, ag schools, secretaries, and all the paper work at each stage... the list goes on & on & on.

It's correct that an extra methane molecule is something like 25 times more influential than an extra CO2 molecule, although that ratio is primarily determined by the background atmospheric concentration of either gas, and GWP typically assumes that forcing is linear in emission pulse, which is not valid for very large perturbations.

On the long term (longer than a few decades) the transient methane concentration is determined by the chronic rate of methane emission to the atmosphere.

And finally, what about Mark's questions (# 3) and other factors not discussed here — do all these effects re Arctic ice lead scientists to believe there is a greater and / or earlier chance (assuming we continue increasing our GHG emissions — business as usual) of melting hydrates and permafrost releasing vast stores of methane into the atmosphere than scientists believed before the study, or is the assessment of this about the same, or scientists are not sure if this study indicates a greater / lesser / same chance of this?

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).

hydro is a major methane source, wind turbines use 100 X more copper than fossils offshore turbines use 1000 X more copper 2010 copper ore grades were 30 lbs / ton of rock 2016 coppor ore grads were 3 lbs / ton of rock solar and wind products last 30 years tops 100 % energy transitions take 70 minimum solar and wind break down 2X faster than we can tranistion Stefan Rahmstorf says our emissions must go down 100 % in 20 years to stay under 2 C.

Methane emissions from fossil fuel industry and natural geological leakage are up to 110 per cent greater than current estimates, according to a detailed analysis of methane sources published in Nature thiMethane emissions from fossil fuel industry and natural geological leakage are up to 110 per cent greater than current estimates, according to a detailed analysis of methane sources published in Nature thimethane sources published in Nature this week.

The subsequent studies have produced a mixed bag of results, with some showing higher methane emissions than expected, and others lower.

A new report based on recent scientific breakthroughs in methane quantification finds that emissions of methane — both a potent greenhouse gas and valuable fuel source — are drastically higher than official state reports.

If the natural geologic methane emissions are lower than previously thought, the anthropogenic fossil methane emissions must be higher than previously thought — Petrenko estimates by 25 percent or more.

Although climate patterns in the future may not exactly mimic those conditions, the period of warming allowed Petrenko to reveal an important piece of the climate puzzle: natural methane emissions from ancient carbon reservoirs are smaller than researchers previously thought.