Sentences with phrase «as global average temperature increase»

As global average temperature increase exceeds about 3.5 oC, model projections suggest significant extinctions (40 - 70 % of species assessed) around the globe.

Let's also look at the specific IPCC quote that Mr. Romm furnishes us with: «As global average temperature increase exceeds about 3.5 °C [relative to 1980 to 1999], model projections suggest significant extinctions (40 - 70 % of species assessed) around the globe.»

The IPCC's Fourth Assessment says, «As global average temperature increase exceeds about 3.5 °C [relative to 1980 to 1999], model projections suggest significant extinctions (40 - 70 % of species assessed) around the globe.»

Not exact matches

In December 2015, the world agreed to the Paris Accord; to slash greenhouse gas emissions to hold global average temperature increase to 1.5 degrees C (over what it was before the Industrial Revolution), and, if we miss that target, to as far below 2 degrees as possible.

WHEREAS, in furtherance of the united effort to address the effects of climate change, in 2010 the 16th Session of the Conference of the Parties to the UNFCC met in Cancun, Mexico and recognized that deep cuts in global greenhouse gas emissions were required, with a goal of reducing global greenhouse gas emissions so as to hold the increase in global average temperature below 2 °C above pre-industrial levels;

MELBOURNE, AUSTRALIA — In the run - up to national elections on 21 August, the country's top science body, the Australian Academy of Science (AAS), has weighed in on the climate change debate with a report backing the mainstream scientific view that human - induced climate change is real and that a business - as - usual approach to carbon emissions will lead to a «catastrophic» four - to five - degree increase in average global temperatures.

Results of a new study by researchers at the Northeast Climate Science Center (NECSC) at the University of Massachusetts Amherst suggest that temperatures across the northeastern United States will increase much faster than the global average, so that the 2 - degrees Celsius warming target adopted in the recent Paris Agreement on climate change will be reached about 20 years earlier for this part of the U.S. compared to the world as a whole.

Expressed as a global average, surface temperatures have increased by about 0.74 °C over the past hundred years (between 1906 and 2005; see Figure 1).

Even so, the IPCC estimates above indicate: 1) Total Net Atmospheric Carbon Emissions to 2100 will amount to ~ 2050 PgC (or more) on current Trends, 2) A BAU projected estimate would push CO2 to ~ 952 ppm by 2100 (or more), and 3) Global average temperature increase / anomaly would be as high as ~ 6.8 C by 2100

However, at the increased levels seen since the Industrial Revolution (roughly 275 ppm then, 400 ppm now; Figure 2 - 1), greenhouse gases are contributing to the rapid rise of our global average temperatures by trapping more heat, often referred to as human - caused climate change.

The global land and ocean temperature during January has increased at an average rate of +0.07 °C (+0.13 °F) per decade since 1880; however, the average rate of increase is twice as great since 1975.

The WMO warned that continuing on a business as usual path of rising emissions could put the world on track for 10.8 °F (6 °C) increase in the global average temperature.

The Fourth Assessment Report finds that «Warming 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 mean sea level.

Temperatures in the Arctic are increasing around three times as fast as the global average — a phenomenon known as Arctic amplification.

Global warming can be referred to as climate change that causes an increase in the average temperature.

[1] CO2 absorbs IR, is the main GHG, human emissions are increasing its concentration in the atmosphere, raising temperatures globally; the second GHG, water vapor, exists in equilibrium with water / ice, would precipitate out if not for the CO2, so acts as a feedback; since the oceans cover so much of the planet, water is a large positive feedback; melting snow and ice as the atmosphere warms decreases albedo, another positive feedback, biased toward the poles, which gives larger polar warming than the global average; decreasing the temperature gradient from the equator to the poles is reducing the driving forces for the jetstream; the jetstream's meanders are increasing in amplitude and slowing, just like the lower Missippi River where its driving gradient decreases; the larger slower meanders increase the amplitude and duration of blocking highs, increasing drought and extreme temperatures — and 30,000 + Europeans and 5,000 plus Russians die, and the US corn crop, Russian wheat crop, and Aussie wildland fire protection fails — or extreme rainfall floods the US, France, Pakistan, Thailand (driving up prices for disk drives — hows that for unexpected adverse impacts from AGW?)

Narrowly scoped, the present situation is either strictly caused by solar variations (in which case I believe the «solar variation» crowd will inappropriately gain credibility over the next 10 to 20 years as we work through the next below average solar cycle or two), or strictly caused by CO2 concentrations (in which case I believe the «CO2 concentrations» crowd will inappropriately lose credibility as the non-linear relationship (sensitivity is based on doublings, not linear increases) between increased CO2 concentrations, and forecasts for below average solar cycles reduces the longer term upward trend in global temperatures).

Global warming does not mean no winter, it means winter start later, summer hotter, as Gary Peters said «The global average surface temperature has risen between 0.6 °C and 0.7 °C since the start of the twentieth century, and the rate of increase since 1976 has been approximately three times faster than the century - scale trend.&Global warming does not mean no winter, it means winter start later, summer hotter, as Gary Peters said «The global average surface temperature has risen between 0.6 °C and 0.7 °C since the start of the twentieth century, and the rate of increase since 1976 has been approximately three times faster than the century - scale trend.&global average surface temperature has risen between 0.6 °C and 0.7 °C since the start of the twentieth century, and the rate of increase since 1976 has been approximately three times faster than the century - scale trend.»

The addition says many climate models typically look at short term, rapid factors when calculating the Earth's climate sensitivity, which is defined as the average global temperature increase brought about by a doubling of CO2 in the atmosphere.

Finally, to revisit the question originally posed @ 203: Assuming the IEO2011 Reference case of «1 trillion metric tons of additional cumulative energy - related carbon dioxide emissions between 2009 and 2035», and given that this case equates to following RCP8.5 until 2035 as previously demonstrated @ 408, what increase in average global surface temperature relative to pre-industrial would result by 2035?

We can not afford to delay further action to tackle climate change if the long - term target of limiting the global average temperature increase to 2 °C, as analysed in the 450 Scenario, is to be achieved at reasonable cost.

Assuming the IEO2011 Reference case of «1 trillion metric tons of additional cumulative energy - related carbon dioxide emissions between 2009 and 2035», and given that this case equates to following RCP8.5 until 2035 as previously demonstrated @ 408, what increase in average global surface temperature relative to pre-industrial would result by 2035?

It seems to me, in my lay understanding, that climate change is likely to be expressed as increased average global temperature plus increased mechanical energy in oceanic and atmospheric currents.

Warming 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.

Warming as measured by increased global heat, (heat in greater than heat out) and warming measured as increased globally averaged temperatures are closely linked but are still different things.

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 dominant driving force of «climate change» as the term is being used in public policy is «global warming», an average increase in global temperature.

Temperatures in the Arctic are increasing almost twice as fast as the global average.

[14] The global average temperature has now been flat for the past 15 years, as all the while CO2 emissions have continued to increase.

As Arctic and sub-Arctic regions warm more than the global average, the increase in temperature could lead to more regular fire damage to vegetation and soils and carbon release.

In 2013, the Intergovernmental Panel on Climate Change Fifth Assessment Report stated a clear expert consensus that: «It is extremely likely [defined as 95 - 100 % certainty] that more than half of the observed increase in global average surface temperature from 1951 to 2010 was caused by the anthropogenic [human - caused] increase in greenhouse gas concentrations and other anthropogenic forcings together.»

The Kigali Amendment will significantly contribute to the goals contained in the Paris Agreement «to pursue efforts to limit the [average global] temperature increase to 1.5 ° Celsius» as well as directly support the decision within the Paris Agreement to enhance near - term mitigation.

One study, published in late March in the journal Proceedings of the National Academy of Sciences, found that as global warming has boosted average temperatures across the West, there is now an increasing risk that a warm year will overlap with a dry one.

Even as carbon dioxide (CO2) emissions around the world have increased, average global temperatures have plateaued.

As greenhouse gas emissions increase, sea levels are rising, average global temperatures are increasing, and severe weather patterns are accelerating.

Now many people have calculated the effect of doubling CO2 in the atmosphere and all agree that this would have the same effect as a 1.3 % increase in solar flux and without any feedbacks would lead to about a 1 degree K increase in global average temperature.

The reason I am persisting with this is that I think there has been no plateau in Global warming over the last 10 years, as every year has been above average thus the average of the population is increasing, meaning Annual Global Average Temperature has been incraverage thus the average of the population is increasing, meaning Annual Global Average Temperature has been incraverage of the population is increasing, meaning Annual Global Average Temperature has been incrAverage Temperature has been increasing.

To counter this business - as - usual scenario, the Stern Review proposes a climate stabilization regime in which greenhouse gas emissions would peak by 2015 and then drop 1 percent per year after that, so as to stabilize at a 550 ppm CO2e (with a significant chance that the global average temperature increase would thereby be kept down to 3 °C).

The Commonwealth declaration avoided setting a numerical limit to global temperature rise, saying only, «We stress our common conviction that urgent and substantial action to reduce global emissions is needed and have a range of views as to whether average global temperature increase should be constrained to below 1.5 degrees or to no more than 2 degrees Celsius above pre-industrial levels.»

If CO2 is a forcing, the temperature could only increase (unless compensated for by an as - yet - undiscovered forcing which magically disappeared as soon as credible average global temperature measurements became available).

What you should say is that GLOBAL AVERAGE index of temperatures is increasing, or average low troposphere temperature is increasing (a 5 km layer of air, as per satellite interpretation of «brightness temperatures&rAVERAGE index of temperatures is increasing, or average low troposphere temperature is increasing (a 5 km layer of air, as per satellite interpretation of «brightness temperatures&raverage low troposphere temperature is increasing (a 5 km layer of air, as per satellite interpretation of «brightness temperatures»).

As the CO2 control knob pushes the external forcing ever higher, the average global temperature has to increase to compensate.

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».

Figure 1 shows a range of carbon budgets as published by different institutions in the energy and climate change sector that it is projected will keep average increases in global temperature to within 2 °C.

For example, as long as the rise in global average temperature stays below 3 degrees Celsius, some models predict that global food production could increase because of the longer growing season at mid - to high - latitudes, provided adequate water resources are available.

But as centuries wear on the chances would lower of getting new high temperature - though global average may continue to slowly increase.

The study concluded that in Alaska, western Canada, and eastern Russia, average temperatures have increased as much as 4 to 7 degrees Fahrenheit (3 to 4 degrees Celsius) in the past 50 years, nearly twice the global average.

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.

However, under business as usual emissions are set to increase global average temperatures by approximately 2.5 °C.

Furthermore, the Arctic has warmed more than twice as fast as the global average, a phenomenon known as Arctic amplification, and stimulated by the combined increasing Arctic temperatures and rapid loss of sea ice in all seasons along with declining snow cover in the spring and early summer.