Sentences with phrase «global average temperature since»

It concluded that it was at least 90 % likely that the increase of the global average temperature since the mid-20th Century was mainly due to man's activity.

Most of the observed increase in global average temperature since the mid-20th century is very likely due to observed increase in atmospheric greenhouse gas concentrations.

Recent estimates of the increase in global average temperature since the end of the last ice age are 4 to 5 °C (7 to 9 °F).

These events are also more tangible to the general public than abstract statements of global average temperature since it affects their everyday lives.

IPCC claims to know this (as expressed in its attribution statement regarding «most of the observed increase in global average temperature since the mid-20th century...»), but as our hostess and others have pointed out, there is much too much uncertainty regarding natural factors to make such an assessment with any degree of certainty.

How about we make the alarmists commit to stating an «ideal» global average temperature since they seem to know what is bad for us?

The IPCC statement that most of the observed increase in global average temperature since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations» is very much dependent on what weighting was given to natural (mainly solar) forcing over this period.

While changes in solar output have slightly increased global average temperature since the beginning of the Industrial Revolution, the planet - warming effect of man - made greenhouse gases is about 20 times larger -LRB-

These events are also more tangible to the general public than abstract statements of global average temperature since it affects their everyday lives.

(«Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations.»)

[2] According to the Intergovernmental Panel on Climate Change (IPCC), most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in human greenhouse gas concentrations.

Yet to say that «Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic GHG concentrations», science must «very likely» know everything important about the subject.

AR4: Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations.

The study, described in an article today in The Times, finds that poorly understood variations in water vapor concentrations in the stratosphere were probably responsible for a substantial wedge of the powerful warming trend in the 1990s and a substantial portion of «the flattening of global average temperatures since 2000 ″ (to anyone who hates talk of plateaus and the like, those are the authors» words, not mine).

Recognizes that warming of the climate system is unequivocal and that most of the observed increase in global average temperatures since the mid twentieth century is very likely due to the increase in anthropogenic greenhouse gas concentrations, as assessed by the Intergovernmental Panel for Climate Change in its Fourth Assessment Report;

The statement in IPCC with which you take issue was «Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations» so it's not 20 years either.

This paper examines in detail the statement in the 2007 IPCC Fourth Assessment Report that «Most of the observed increase in global average temperatures since the mid-twentieth century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations».

These conclusions are contrary to the IPCC [2007] statement: «[M] ost of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations.

The IPCC has a confidence level > 90 % that less than 50 % of the observed increase in global average temperatures since the mid-20th century is the result of non-anthropogenic external forcings and internal natural variability within the climate system.

Thus: Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations.

Judith, re your issue «Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations.»

As professional scientists, from students to senior professors, we uphold the findings of the IPCC Fourth Assessment Report, which concludes that «Warming of the climate system is unequivocal» and that «Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations».

Mike: Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations.»

(1) According to the summary, there is a greater than 90 percent likelihood that increased concentrations of man - made heat - trapping gases caused most of the observed increase in global average temperatures since 1950.

Most of the observed increase in global average temperatures since the mid-20th century is very likely [greater than 90 % likelihood] due to the observed increase in anthropogenic greenhouse gas concentrations.

And while the IPCC's most recent 2007 report concluded «most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations,» «Team B» came to the opposite conclusion, that «natural causes are very likely to be the dominant cause.»

On the most important issue, the IPCC's claim that «most of the observed increase in global average temperatures since the mid-20th century is very likely (defined by the IPCC as between 90 to 99 percent certain) due to the observed increase in anthropogenic greenhouse gas concentrations,» (emphasis in the original), NIPCC reaches the opposite conclusion — namely, that natural causes are very likely to be the dominant cause.

On the most important issue, the IPCC «s claim that — most of the observed increase in global average temperatures since the mid-twentieth century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations [emphasis in the original], ‖ we once again reach the opposite conclusion, that natural causes are very likely to be dominant.

increases in anthropogenic greenhouse gas concentrations is very likely to have caused most of the increases in global average temperatures since the mid-20th century

So it is natural for us to read «Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations» as being a statement about the proportion of observed degree C temp increase caused by humans.

So EPA's «observed increase in global average temperatures since the mid-20th century» has now dropped from 0.702 °C to a «corrected» value of 0.552 °C and 21 % of EPA's increase from «anthropogenic GHG» increases has now vanished, lost to errors in the observed data.

The gradual rise in the global surface temperature from 1978 to 1998 appeared to confirm the statement in IPCC2007 p. 10 that, «Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations».

Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic GHG [greenhouse gas] concentrations.

«Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic GHG concentrations.

It is about as likely as not that most of the observed increase in global average temperatures since the mid-20th century is due to the observed increase in anthropogenic GHG concentrations.

The premise assumes the proposition that «Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations.»

Most of the observed increase in global average temperatures since the mid-20th century is very likely [i.e. with greater than 90 % likelihood] due to the observed increase in anthropogenic greenhouse gases.

I would argue that in comparison, «Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations» is sufficiently precise.

As Media Matters has noted, the IPCC's 2007 «Synthesis Report» concluded that» [w] arming of the climate system is unequivocal, as is now evident from observations of increases in global average air and ocean temperatures, widespread melting of snow and ice and rising global average sea level» and that» [m] ost of the observed increase in global average temperatures since the mid-20th century is very likely [defined in the report as a» > 90 %» probability] due to the observed increase in anthropogenic [human - caused] GHG [greenhouse gas] concentrations.»

H0: Less than half of the observed increase in global average temperatures since the mid-20th century is due to the observed increase in anthropogenic greenhouse gas concentrations.

Arguably the most important conclusion of IPCC AR4 is the following statement: «Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations.»

As Judith says, one of the key conclusions is the paragraph in large red letters «Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations... Discernible human influences now extend to other aspects of climate, including ocean warming, continental - average temperatures, temperature extremes and wind patterns (see Figure SPM.4 and Table SPM.2).»

The IPCC 2001 TAR shows a graph of four datasets including Hadley CRU all showing the cooling from 1942 to 1975 but the 2007 4AR report shows the same Hadley CRU dataset modified (physically altered) to eliminate this cooling to show overall warming since the middle of the century allowing the statement «Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations.»

The IPCC AR4 wording is this: «Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations.»

The 2007 Fourth Assessment Report compiled by the IPCC (AR4) noted that «changes in atmospheric concentrations of greenhouse gases and aerosols, land cover and solar radiation alter the energy balance of the climate system», and concluded that «increases in anthropogenic greenhouse gas concentrations is very likely to have caused most of the increases in global average temperatures since the mid-20th century».

M: Actually this is not (a) precise or (b) true: ««Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations» is sufficiently precise.

«Given our understanding of both the climate system as embodied in the current range of models, and the known forcings both natural and anthropogenic, it is very likely that not more than half of the observed increase in global average temperatures since the mid-20th century is due to causes other than the observed increase in anthropogenic greenhouse gas concentrations.»

I have seen that the hadley center has said that the global average temperatures since 2001 and 2007 are statistically indistinguishable.

Advances since 1995 are encapsulated in the words of the IPCC's Fourth Assessment, published in 2007: «Most of the observed increase in global average temperatures since the mid-20th century is very likely due to the observed increase in anthropogenic greenhouse gas concentrations.»

Not exact matches

Since the industrial revolution, global temperatures on average have risen 0.99 degrees Celsius, according to NASA.