The researchers studied all 571 European cities to assess the likely impact of flooding, drought and heatwaves in the latter half of the century, under a climate model where
average temperatures rise between 2.6 C and 4.8 C - the current widely accepted business - as - usual trajectory.
Not exact matches
There is a direct connection
between the current changes in the world's atmosphere and the
rise in
average temperature; this is known as global warming or the «greenhouse effect».
Should the carbon dioxide level reach double pre-industrial levels, the Earth's
average temperature may
rise between 1.5 ° and 4.5 ° C.
Cuomo joined California in signing on to the Under 2 MOU, an agreement
between states, provinces and local governments across the world to cap the
rising average temperature by the year 2100.
Recent data from NASA and the UK's Hadley Centre show that the
average global
temperature rose by 0.33 °C
between 1990 and 2006.
Planning meetings for the Global Seed Vault in Norway spawned the idea of looking at
average summer
temperatures, which climate models can project relatively reliably and which have a large impact on crop yields —
between 2.5 and 16 percent less wheat, corn, soy or other crops are produced for every 1.8 — degree F (1 — degree C)
rise.
Depending on what steps people took to restrict emissions, by the end of the century we could expect the planet's
average temperature to
rise anywhere
between about 1.4 and 6 °C (2.5 — 11 °F).
And although companies are pledging to do more than ever to reduce emissions, «disparity [exists]
between companies» strategies, targets and the emissions reductions» that climate scientists say will be necessary to limit the
rise in
average global
temperatures to 2 degrees Celsius.
The hottest part of the region has been drought - stricken Arizona, where
average temperatures have
risen some 2.2 degrees Fahrenheit — 120 percent greater than the global
rise —
between 2003 and 2007.
In a report published last month, Scott found that
average February
temperatures for the 19 previous Winter Olympic host cities could be expected to
rise between 3.4 and 3.8 degrees Fahrenheit by 2050, and up to 8 degrees Fahrenheit by 2090, leaving only six previous host cities cold enough to host the Games 75 years from now.
Moreover, the annual number of hot days — defined as
average temperatures exceeding
between 25 and 30 degrees Celsius, depending on location —
rose by almost two a decade.
Rising polar
temperatures caused the
average thickness of winter Arctic sea ice to decrease from about 12 feet to 6 feet
between 1978 and 2008, and thinner ice melts more readily.
The IPCC has determined that in order to keep Earth's
average temperature from
rising more than 2 degrees Celsius above pre-industrial times by the end of the century, global greenhouse gas emissions must be reduced
between 40 percent and 70 percent by 2050.
With its latest annual effort at what is known as decadal forecasting, the Met Office is predicting that global
temperatures will continue to
rise from 2016 through 2020, with those years likely falling
between 0.5 ° and 1.4 °F (0.28 and 0.77 °C) above the 1981 - 2010
average.
Third, using a «semi-empirical» statistical model calibrated to the relationship
between temperature and global sea - level change over the last 2000 years, we find that, in alternative histories in which the 20th century did not exceed the
average temperature over 500-1800 CE, global sea - level
rise in the 20th century would (with > 95 % probability) have been less than 51 % of its observed value.
If we continue on our current course, the Intergovernmental Panel on Climate Change (IPCC) estimates that
average world
temperatures will
rise between 2.5 °F and 10.4 °F
between 1990 and 2100.
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.»
I am not arguing that
average temperatures haven't
risen — only that critics reexamine the link
between that and CO2.
Current projections point to
average world
temperatures to
rise between 1.1 C and 6.41 C
between 1990 and 2100.
for whatever reasons, the
average temperature of the earth surface
rose 0.57 C
between 1910 and 1944.
The fact is that, for whatever reasons, the
average temperature of the earth surface
rose 0.57 C
between 1910 and 1944.
Global
average temperature rise is limited to
between 2.4 °C (50 % probability) and 2.7 °C (66 % probability) by 2100 in this scenario — far below the BAU trajectory towards 4 °C and beyond used by fossil fuel companies.
He points out, for example, that there's been a period of global cooling since the 18th - century onset of the Industrial Revolution — from the 1940s to the 1960s — and that
average temperatures rose in Europe
between 1050 and 1300, even though there was no heavy industry going on back then.
As a consequence,
between 1971 - 2000 and 1981 - 2010 the Dutch
average temperatures have
risen by 0.42 degrees (per decade)-- more than twice the global
average and indicative for relatively rapid warming over much of Western Europe.
On current trends, the IPCC finds, emissions will continue to soar and global
average temperatures will
rise between 2.5 and 7.8 degrees Celsius before the century is out, depending on the pace of economic growth and the sensitivity of the climate system to CO2.
When the earth's
temperature rises on
average by more than two degrees, interactions
between different consequences of global warming (reduction in the area of arable land, unexpected crop failures, extinction of diverse plant and animal species) combined with increasing populations mean that hundreds of millions of people may die from starvation or disease in future famines.
The UN's Intergovernmental Panel on Climate Change predicts that global
average temperatures could
rise by somewhere
between 2 °C and 6 °C by the end of this century.
The analysis concludes that even a less ambitious climate goal, like a 3 °C
rise in
average global
temperature or more, which would pose significantly greater risks for our society and economy, would still imply significant constraints on our use of fossil fuel reserves
between now and 2050.
One of these, reported in Earth and Planetary Science Letters, coincided with a spell
between the Ice Ages, more than 115,000 years ago, when the Earth's
average atmospheric
temperatures rose by about 4 °C hotter than the 20th - century
average.
Average temperatures in Alaska, western Canada, and eastern Russia have risen at twice the global average, according to the multinational Arctic Climate Impact Assessment report compiled between 2000 an
Average temperatures in Alaska, western Canada, and eastern Russia have
risen at twice the global
average, according to the multinational Arctic Climate Impact Assessment report compiled between 2000 an
average, according to the multinational Arctic Climate Impact Assessment report compiled
between 2000 and 2004.
Average planetary
temperatures increased by a «net» of 0.7 degrees C (1.3 F)
between 1900 and 2000, as atmospheric carbon dioxide levels continued to
rise — but not in a straight line: they
rose 1900 - 1940, cooled 1940 - 1975 and warmed 1975 - 1995.
The United Nations» Intergovernmental Panel on Climate Change, a global effort involving hundreds of climate scientists and the governments of 100 nations, projected in 2001 that, depending on the rate of greenhouse gas emissions and general climate sensitivities, the global
average temperature would
rise 2.5 to 10.4 degrees Fahrenheit
between 1990 and 2100.
They have found evidence of a relationship
between rising average temperatures in India and reduced wheat production, which was increasing until about a decade ago but has now stopped.
The author / s and the handful or readers are probably in the category of those who believe periods of constant solar energy which coincide with periods of
rising global
average temperature is proof there is no sensitivity
between the solar activity and global
average temperature.
(To be precise, the model ensemble
average surface
temperature rise for 2011 - 2030 varies slightly
between 0.62 and 0.67, depending on the emissions scenario, relative to the 1980 - 99 baseline.
The ice decline is clearly linked with
rising global
temperatures, and the chances that the Arctic will be ice - free increase dramatically when the
average global
temperature rises between 1.7 and 2.1 degrees Celsius, Screen said.
But in some parts of Brazil,
average temperatures rose by
between 3 ° and 5 °C, according to data from the Centre for Weather Forecasting and Climate Studies at Brazil's National Institute for Space Research.
5 4.4.6 Global
temperatures and climate patterns are influenced by concentrations of greenhouse gases 4.4.7 There is a correlation
between rising CO2 levels and
average global
temperature.
The global
average temperature rose by about 0.85 degrees
between 1880 and 2012, and the rate of warming has accelerated over the past 50 years, according to the Intergovernmental Panel on Climate Change.
It looks like some sort of hybrid
between AR4 projections for tropical sea
temperature increase and global
average surface
temperature rise.
But
average temperatures rose only about 0.6 degrees since the beginning of the industrial era, and the change hasn't been uniform — warming has largely occurred during the periods from 1919 to 1940 and from 1976 to 1998, with cooling in
between.
The assembled panel issued the IPCC's Fourth Assessment Report entitled «The Physical Science Basis, Summary for Policy Makers» that concludes that global
average temperature will
rise between 1.1 °C to 6.4 °C by 2100, and that it is «very likely» (90 % certainty) that human activities and emissions are causing global warming.
The Stern review, published in 2006, pointed to a 75 % chance that global
temperatures would
rise by
between two and three degrees above the long - term
average; he now believes we are «on track for something like four ``.
Under Watson's tenure, the IPCC last year produced its third comprehensive assessment of the state of climate science, concluding that» [t] here is new and stronger evidence that most of the warming observed over the last 50 years is attributable to human activities,» and predicting that
average global
temperatures will
rise between 3 and 10 degrees Fahrenheit by the endof the century — conclusions reaffirmed last spring at White House request by the National Academy of Sciences.
For example, during the 1920s warming in Greenland, at five coastal weather stations, the
average annual
temperature rose between 2 and 4 degrees Celsius [and by as much as 6 degrees Celsius in winter] in less than ten years.
(Its most recent report, in 2007, concluded that most of the twentieth - century increase in global
average temperatures was «very likely» due to human activities, and that world
temperatures could
rise between 1.1 and 6.4 °C during the twenty - first century.)
The exact speed with which these are going to contribute to sea level
rise is highly uncertain, the synthesis report says, but the best scientific estimate — based on observed correlation
between global
average temperatures and sea level
rise over the past 120 years — shows that by 2100 we will experience sea level
rise of one meter or more.
After all, this
rise in
temperature is less than the
average daily
temperature difference
between New York City and Atlanta, Georgia, or
between Paris and Naples, and there is little evidence of greater risk to people who now live in the warmer southern climate.
Global
average air
temperatures have already increased by over 1 ° F and are projected to
rise between 2.5 and 10.5 ° F or more by the end of this century, an unprecedented magnitude and speed of change.