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.