Sentences with phrase «warming gases remained»

Visibility (particulates and nitrous oxides) and acid rain (sulfur dioxide) dominated in the formation of policy established via the 1970 Clean Air Act and subsequent Clean Air Act Amendments in 1977 and 1990, while global warming gases remained unregulated.

Not exact matches

It is important to remind readers that cheap natural gas has allowed US industry to remain competitive and to keep consumers warm in the winter and cool in the summer.
It remains too soon to tell exactly how this climate system will work under changed conditions and other environmental factors — such as whether the cooling effect of the soot generated by industry and burning forests outweighs the warming effect of greenhouse gases — which may play large roles.
But one thing remains clear: More greenhouse gases in the atmosphere equals more warming.
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.)
Carozza et al (2011) find that natural global warming occurred in 2 stages: First, global warming of 3 ° to 9 ° C accompanied by a large bolus of organic carbon released to the atmosphere through the burning of terrestrial biomass (Kurtz et al, 2003) over approximately a 50 - year period; second, a catastrophic release of methane hydrate from sediment, followed by the oxidation of a part of this methane gas in the water column and the escape of the remaining CH4 to the atmosphere over a 50 - year period.
When the warming effect of other greenhouse gases is also included in the carbon budget calculations, the quantity of emissions remaining is even smaller.
Unfortunately for policymakers and the public, while the basic science pointing to a rising human influence on climate is clear, many of the most important questions will remain surrounded by deep complexity and uncertainty for a long time to come: the pace at which seas will rise, the extent of warming from a certain buildup of greenhouse gases (climate sensitivity), the impact on hurricanes, the particular effects in particular places (what global warming means for Addis Ababa or Atlanta).
President - elect Barack Obama sent a video message to a summit meeting on global warming organized by Gov. Arnold Schwarzenegger of California, implying that despite the continuing economic turmoil, reductions in greenhouse gas emissions will remain a central component of Mr. Obama's energy, environmental and economic policies.
The basics of global warming science remain robust — more greenhouse gases will continue to heat the planet, erode ice, raise seas and present challenges to many human and ecological communities.
Despite their impact on the global climate, greenhouse gases and other global warming pollution from ships remain unregulated by the U.S. Government.
Despite the report's added emphasis on a list of «reasons for concern» about the continuing growth of long - lived emissions that trap heat, senior White House officials said Friday and Saturday that it remained impossible to define a «dangerous» threshold in the concentration of greenhouse gases or resulting warming.
While pressing for cuts in greenhouse - gas emissions and better efforts to control hunting, both legal and illegal, the participating scientists concluded on an optimistic note, saying they were «optimistic that humans can mitigate the effects of global warming and other threats to polar bears, and ensure that they remain a part of the Arctic ecosystem in perpetuity.»
Moreover, even if methane leakage were to remain modest in some areas, long - term climate models suggest that warming trends have less to do with the rate of methane leakage and more to do with other variables, such as the thermal efficiency of future coal plants and whether the switch to gas is permanent or a bridge to zero - carbon energy.
The recent epic deluges this spring and early summer and blizzards last winter are emblematic of weather that is confidently foreseen as more common in a warming world, but it will long remain the case that no single superstorm can be attributed to the buildup of greenhouse gases.
Their leaders absolutely do, and that's why, even though they will be the dominant source of warming gases in coming decades, the climate treaty talks have remained stuck in «you first» mode.
James E. Hansen, the head of Goddard and an outspoken campaigner for prompt cuts in greenhouse - gas emissions, explained that the decades - long global warming trend and patterns of warming remain consistent with a growing influence on climate from the planet's building blanket of heat - trapping greenhouse gases.
Where the idea of going nuclear remains unpalatable we see for example that Germany may be the first of the EU countries to begin the abandonment of the global warming house of cards in favor of coal and gas - fired power plants.
Carozza et al (2011) find that natural global warming occurred in 2 stages: First, global warming of 3 ° to 9 ° C accompanied by a large bolus of organic carbon released to the atmosphere through the burning of terrestrial biomass (Kurtz et al, 2003) over approximately a 50 - year period; second, a catastrophic release of methane hydrate from sediment, followed by the oxidation of a part of this methane gas in the water column and the escape of the remaining CH4 to the atmosphere over a 50 - year period.
The WGI contribution to the TAR — Climate Change 2001: The Scientific Basis — found, «In the light of new evidence and taking into account the remaining uncertainties, most of the observed warming over the last 50 years is likely to have been due to the increase in greenhouse gas concentrations.»
So 1.2 cubic meter of liquid N2, if warmed to 15 C, expands 691 times, since going remain quite cold it's expansion would around 500 times or less, but the 198.38 kJ / kg energy needed to make into gas state will cool additional air in the pit.
A rate of warming that does not including later temperature increases in following centuries — which would be about double the 21st Century's amount if global greenhouse gas levels managed to plateau and the global carbon stores remained on good behavior.
Little over two months remain before a UN deal to tackle global warming is set to be signed off, and already it is evident planned greenhouse gas cuts will not be enough.
«Since 1997, when Pinatubo's aerosol settled out, the stratosphere has been exceptionally clear... Half or more of the warming since 1995 may due to the lack of large volcanic eruptions... That's about 0.13 °C... The remaining climate change is presumably caused by other forces, such as solar variability, El Nino, Atlantic AMO warming in 1995, lower Albedo and maybe even a little greenhouse gas
Even during the Polar Vortex natural gas customers remained warm and toasty.
While this project will threaten our groundwater, waterways, and general health, increase gas prices and world dependency on oil, and further forestall a necessary shift to a green economy (Read more: TransCanada: «Keystone XL National Security Risk»), President Obama is expediting pipeline construction and has remained mute on global warming.
A study published in the journal Nature estimated 21 percent of Africa's oil reserves and 33 percent of gas reserves would need to remain in the ground if the world is going to limit warming to an agreed target of around 1.5 degrees.
All these things have causes, and for some of the warming that has occurred in the later part of the 20th and into the 21st century, when all other known factors are excluded, including solar cycles, (yes, solar cycles have long been known to affect temperatures) the only known factor that remains is the anthropogenic fingerprint of greenhouse gas increases.
If one cools the gas on the bottom and warms the gas at the top (relative to a gas with a DALR), if anything one expects to increase the density at the bottom compared to the top and shift the center of mass of the gas downhill while remaining (quasi-static process) in equilibrium.
And then, ignoring that the heat we feel from the Sun is thermal infrared so does reach us, say that carbon dioxide a trace gas, and already fully part and parcel of the cooling cycling of the Earth in the Water Cycle, is responsible for raising the temperature of the Earth from -18 °C to 15 °C, without ever giving any rational explanation as to how it actually does this, and, that doubling it will cause catastrophic runaway global warming, doubling a trace gas it still remains a trace gas.
Emissions like carbon dioxide, nitrous oxide and other greenhouses gases will remain in the atmosphere for many years making impossible to eliminate global warming and
In fact, we know there remains unrealized warming from the greenhouse gases we've already emitted because there is a global energy imbalance.
When the warming effect of other greenhouse gases is also included in the carbon budget calculations, the quantity of emissions remaining is even smaller.
It remains one of the greatest ironies of the environmental movement that those most concerned with global warming, like Ms. Collard, are opposed to nuclear energy, the only non-greenhouse gas - emitting power source that can effectively replace fossil fuels while satisfying Canada's growing demand for energy.
The slowdown or «hiatus» in warming refers to the period since 2001, when despite ongoing increases in atmospheric greenhouse gases, Earth's global average surface air temperature has remained more or less steady, warming by only around 0.1 C.
In the report, the panel emphasized that the significant remaining uncertainties about climate patterns over the last 2,000 years did not weaken the scientific case that the current warming trend was caused mainly by people, through the buildup of heat - trapping greenhouse gases in the atmosphere.
Nations have agreed on the goal of stabilizing greenhouse gases at a level that keeps global warming below 2 degrees C (3.6 F), compared with pre-industrial times, but a legally binding agreement that puts that into action has remained elusive.
Mr. Bush opposes mandatory restrictions on smokestack and tailpipe gases, which many climate scientists link to global warming, saying the science pointing to the risks remains uncertain.
Even with ongoing questions about the proxy data, the IPCC's key statement — that most of the warming since the mid-twentieth century is «very likely» to be due to human - caused increases in greenhouse - gas concentration — remains solid because it rests on multiple lines of evidence from different teams examining many aspects of the climate system, says Susan Solomon, the former co-chair of the IPCC team that produced the 2007 physical science report and a climate researcher with the US National Oceanic and Atmospheric Administration in Boulder, Colorado.
That means the pressure inside the flask remains at atmospheric pressure through out, and only sealed once no more CO2 is being introduced, so there can be no warming by compression of the gas.
Their conclusion was that after 50 years with no greenhouse gases the Earth's albedo would have risen from today's 0.293 to 0.418, and that mean surface temperature would have fallen from 288 K to 252 K, a drop of 36 K, of which 9 K, they imagined, was the loss of directly - forced warming from the non-condensing greenhouse gases and the remaining 27 K was the loss of feedback response to that directly - forced warming.
To be sure, it remains essential to reduce greenhouse gas emissions by strengthening the Kyoto Protocol and augmenting it with other measures; otherwise, the amount of future warming civilization eventually will have to endure will prove too great to survive.
It remains true that Earth has warmed more than 1 degree farenheit degrees over last century largely due to the buildup of human - made greenhouse gases... it remains the case that the projections of future climate change are every bit of discouraging as they were before the recent flap began.»
«that there is overwhelming agreement in the climate science community that CO2 is a greenhouse gas and that increasing the percentage of atmospheric CO2 will ultimately result in warmer temperatures if all other factors remain constant»
After subtracting the warming trend attributed to greenhouse gases since the 1930s from the longterm temperature record, the small temperature variations correlated with Earth's length of day and movements of Earth's core remain detectable throughout the entire time span.
It's that second part which really as implications for reducing warming from soot.Effects of Black Carbon Pollution Stop Quickly Once Source is Removed The good news about black carbon and global warming is this: Unlike greenhouse gases which can remain in the atmosphere for decades or even centuries, black carbon particles come out of the atmosphere very quickly once the source of pollution is removed.
The WGI contribution to the TAR (Climate Change 2001: The Scientific Basis) found, «In the light of new evidence and taking into account the remaining uncertainties, most of the observed warming over the last 50 years is likely to have been due to the increase in greenhouse gas concentrations.»
For each greenhouse gas, a Global Warming Potential (GWP) has been calculated to reflect how long it remains in the atmosphere, on average, and how strongly it absorbs energy.
Even with slightly generous estimates of remaining oil and gas reserves, the total level of global warming will be bad assuming we use them all up, but not catastrophic.
Each molecule of carbon dioxide, which is the most important long - lived manmade greenhouse gas, can remain in the atmosphere for as many as 1,000 years, making it more urgent to cut emissions in the near future, or face continued cumulative warming for centuries to come.
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