Sentences with phrase «greenhouse warming potential»

Changes to the temperature and pressure of permafrost soils (and ocean waters) could lead to methane, a gas with a much stronger greenhouse warming potential than carbon dioxide, being released.

Not exact matches

The LCA examined the effects of a 1 kilogram industry - average corrugated product manufactured in 2014 on seven environmental impact indicators: global warming potential (greenhouse gas emissions), eutrophication, acidification, smog, ozone depletion, respiratory effects, fossil fuel depletion; and four inventory indicators: water use, water consumption, renewable energy demand, and non-renewable energy demand.

When food waste decomposes in a landfill, it generates methane, a potent greenhouse gas with 21 times the global warming potential of carbon dioxide.

The findings suggest that effective new greenhouse gas controls could help lessen the effects of climate change on the release of carbon from soils of the northern permafrost region and therefore decrease the potential for a positive feedback of permafrost carbon release on climate warming.

The research adds one important data point to the ongoing question of how much methane, a greenhouse gas with a warming potential 25 times that of carbon dioxide, is emitted in the life cycle of natural gas production, transport and use.

The researchers detected a «significant regional flux» of methane, a greenhouse gas with about 30 times the warming potential of carbon dioxide over a 100 - year period, coming from an area of gas wells in southwestern Pennsylvania.

But when unburned methane is released into the atmosphere, it is a potent greenhouse gas with a warming potential 28 to 34 times greater than carbon dioxide over a 100 - year timeframe (and up to 84 times more potent over a 20 year timeframe).

Under the worst - case scenario (RCP 8.5), which assumes that greenhouse gas emissions continue to rise throughout the 21st century, the authors show the potential for extremely large net increases in temperature - related mortality in the warmer regions of the world.

That year the U.S. released 7.40 billion metric tons of carbon dioxide equivalent (CO2e), a measure of the global warming potential of any greenhouse gas in terms of the amount of warming generated by CO2.

«(2) the carbon dioxide equivalent value for purposes of this Act for any greenhouse gas not listed in the table under paragraph (1) shall be the 100 - year Global Warming Potentials provided in the Intergovernmental Panel on Climate Change Fourth Assessment Report.

«(C) global atmospheric concentrations of greenhouse gases, expressed in annual concentration units as well as carbon dioxide equivalents based on 100 - year global warming potentials;

Even some environmentalists have begun to embrace nuclear power, because of its potential to reduce the greenhouse emissions that are blamed for global warming.

«It only makes up 9 % of total greenhouse gas emissions, but it's got 300 times more global warming potential than carbon dioxide», says Prof Richardson.

Meanwhile, here on earth, we still have the same remaining problem of our trapped thermal atmospheric content that can not escape away from Earth's self contained system that is maintained by the greenhouse gases that surrounds the earth that is said to be increasing in content, and because it increasing in content, the thermal kinetic capacity (global warming potential of certain said gases will rise with it.)

Many climate scientists, policy experts and environmentalists are concerned about the potential for the incoming administration to limit funding for climate science and roll back both national and international progress toward limiting the greenhouse gases that are warming the planet.

I'm not saying that greenhouse gases isn't a player, but I'd like the IPCC and the climate community to work towards understanding the other potential causes of warming, before jumping to conclusions on the impact of greenhouse gases.

The EU Regulation on fluorinated greenhouse gases requires the refrigeration and air conditioning sectors to phase out the use of refrigerant gases with a high global warming potential by 2030.

The global warming potential (GWP) depends on both the efficiency of the molecule as a greenhouse gas and its atmospheric lifetime.

CO 2 equivalents: The GWP value (Global Warming Potential) of a gas is defined as the cumulative impact on the greenhouse effect of 1 tonne of the gas compared with that of 1 tonne of CO 2 over a specified period of time.

Discovered in 2007, Gliese 581 is probably too cold to be habitable, although recent studies suggest it could in fact be warmed by greenhouse gases, which gives it some potential to harbor life.

But there are two greenhouse gases, which are actually much stronger than carbon dioxide: Methane, with a warming potential 30 times as strong as carbon dioxide, and nitrous oxide, -LSB-...]

Indeed, impacts of Arctic warming include the melting of major Arctic glaciers and Greenland (containing the potential for up to 7 meters of sea level rise if it were to melt entirely), the thawing of carbon rich permafrost (which could add to the burden of atmospheric greenhouse gas emissions) and signs of worsening wildfires across the boreal forests of Alaska, to name a few.

This language would have been superfluous and without legal effect if, as Waxman assumes, EPA already had authority since 1970 to regulate carbon dioxide as an «air pollutant» or greenhouse gases in general based on their» global warming potential.»

A Japanese study showed that producing a kilogram of beef leads to the emission of greenhouse gases with a global warming potential equivalent to 36.4 kilograms of carbon dioxide (CO2).

Methane is a potent greenhouse gas; according to the EPA, methane has a high global warming potential of 28 - 36 times that of CO2 over a 100 - year period.

This is the menu of potential but largely untested ways to counteract global warming resulting from the buildup of greenhouse gases, should reality start to reflect worst - case projections.

In 1991, the language was already strong and urgent, noting that the risks were sufficient to justify action even with substantial unanswered questions: «Despite the great uncertainties, greenhouse warming is a potential threat sufficient to justify action now.»

And those initial warming events can trigger even greater warming because of the «feedback loops» associated with the melting of ice and the potential release of methane (a very strong greenhouse gas).»

Another source of short - lifetime bias in the community probably comes from a calculation used to compare the greenhouse consequences of different gases, called the Global Warming Potential (GWP)[13].

But that's just it, Paul, within the scientific community anthropogenic causation of increasing greenhouse gases, greenhouse gas - induced warming, and potential climate effects and impacts of increased warming are accepted science.

Jain, A.K., et al., Radiative forcings and global warming potentials of 39 greenhouse gases.

While, in theory, human activities have the potential to result in net cooling, a concern about 25 years ago, the current balance between greenhouse gas emissions and the emissions of particulates and particulate - formers is such that essentially all of today's concern is about net warming.

That was the conclusion of the National Academy of Sciences, which last year reported, «Despite the great uncertainties, greenhouse warming is a potential threat sufficient to justify action now.»

«Despite the great uncertainties, greenhouse warming is a potential threat sufficient to justify action now.»

There are several areas in which greenhouse - driven warming is thought to be a potential influence.

While persistent and deep uncertainty surrounds the most important potential impacts from and responses to greenhouse - driven global warming (see David Roberts, Michael Levi and this list of reviewed research for more), the long - term picture of a profoundly changed Earth is clear.

The release of this trapped methane is a potential major outcome of a rise in temperature; it is thought that this is a main factor in the global warming of 6 °C that happened during the end - Permian extinction as methane is much more powerful as a greenhouse gas than carbon dioxide (despite its atmospheric lifetime of around 12 years, it has a global warming potential of 72 over 20 years and 25 over 100 years).

[* GtCO2e is billions of tons of carbon dioxide or the equivalent amount of other greenhouse gases when measured in terms of their potential to warm things up.]

Greenhouse warming poses potential (somewhat speculative) threats to NADW formation (and thus to Europe's continued warm climate).

The range of numbers used to determine greenhouse effectiveness or Global Warming Potential (GWP) suggested people were just creating numbers — it was not scientific.

The GWP was presented in the First IPCC Assessment (Houghton et al., 1990), stating «It must be stressed that there is no universally accepted methodology for combining all the relevant factors into a single global warming potential for greenhouse gas emissions.

All emissions in this figure and chapter refer to GtCO2e (gigatonnes or billion tonnes of carbon dioxide equivalent)-- the global warming potential - weighted sum of the six Kyoto greenhouse gases, that is, CO2, CH4, N2O, HFCs, PFCs and SF6, including LULUCF CO2 emissions.

They looked at the potential long - term consequences of oceans ever richer in dissolved carbon dioxide, as humans burn ever more fossil fuels and emit greenhouse gases that continue to warm the atmosphere.

The hazard is not in the process itself, but in its potential acceleration: nobody knows how much carbon is stored in the Arctic tundra as a greenhouse gas source, and nobody can guess what proportion of this will be released as the world warms.

Although APS plans to reduce its coal burn from the current 35 % to 17 % by 2029, by increasing its natural gas burn from 19 % to 35 %, it will actually increase its greenhouse gas emissions in the near term, since the global warming potential from methane, which is leaked at multiple points of the natural gas supply chain, is 86 times that of carbon over 20 years, according to the Intergovernmental Panel on Climate Change's 2013 report.

The case for Arctic methane as a climate emergency relates to the potential feedback: it is warming that is triggering the release of methane, itself a potent greenhouse gas.

Because of methane's greater greenhouse potency, the warming potential of the emissions measured during the second period greatly exceeded the potential cooling produced by the uptake of carbon dioxide during photosynthesis.

While HFCs are not Ozone Depleting Substances (ODS) and therefore an acceptable substitute for chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) under the Montreal Protocol, they have high global warming potentials (GWPs) and contribute to greenhouse gas (GHG) emissions.

An ambitious HFC agreement has the potential to avoid 100 billion CO2 - equivalent emissions by 2050 and 0.5 °C warming by 2100, significantly contributing towards the goals of the landmark Paris Agreement last year and eliminating the use of some of the most potent greenhouse gases in existence.

Used primarily for cooling, these powerful greenhouse gases can have a global warming potential of up to 20,000 times more than CO2.