These studies tend to be rather sensitive to the time period chosen, and
a future warm decade could considerably change the picture.
Not exact matches
Combining the asylum - application data with projections of
future warming, the researchers found that an increase of average global temperatures of 1.8 °C — an optimistic scenario in which carbon emissions flatten globally in the next few
decades and then decline — would increase applications by 28 percent by 2100, translating into 98,000 extra applications to the EU each year.
The findings could serve as a warning sign that engineers need to design stronger structures, especially as glide avalanches may become more frequent:
Warmer winters in the
future may cause snowpacks to become, on average, wetter and denser than those seen in winters of recent
decades.
Lead author, Dr Huw Griffiths from BAS says: «While a few species might thrive at least during the early
decades of
warming, the
future for a whole range of invertebrates from starfish to corals is bleak, and there's nowhere to swim to, nowhere to hide when you're sitting on the bottom of the world's coldest and most southerly ocean and it's getting
warmer by the
decade.»
This shift from cool to
warm in the North Atlantic has already had an impact; this past year at least 89,000 individual fires burned 9.5 million acres in the western U.S. Worse yet, forest management practices that have increased the number of trees in western woods — as well as relatively wet preceding
decades — have put in place an abundance of fuel for
future fires.
«We came to take a half a degree Celsius out of
future warming, and we won about 90 percent of our climate prize,» said Durwood Zaelke, president of the Institute for Governance & Sustainable Development, who has worked toward the agreement for more than a
decade.
Projections of
Future Changes in Climate «For the next two
decades, a
warming of about 0.2 °C per
decade is projected for a range of SRES emission scenarios.
I hope that innocent bystanders have noticed how useful the betting paradigm has been in generating consensus — me, Chip Knappenberger and the IPCC report all agree that
warming is unlikely to be greater than 0.325 C /
decade in the immediate
future (probably «very unlikely», in IPCC - speak).
By the way, in my opinion, the elevated greenhouse gas levels already in the air, combined with the
future emissions from machines already built, plus increased natural emissions from carbon sinks becoming carbon emitters (i.e. permafrost melting) will cause the rate of
warming to top 0.4 C /
decade by mid-century.
And you (or whoever is on your side) get a
warming rate of 0.40 ºC /
decade or greater - indicating that
future climate change will be extreme.
«However we point out that we assume that the response of corals to
future warming does not change from that observed in the last few
decades.
Following this path for even another
decade would doom efforts to keep
future warming below 2 °C.
Future global
warming can be predicted much more accurately than is generally realized... we predict additional
warming in the next 50 years of 3/4 + / - 1/4 °C, a
warming rate of 0.15 + / - 0.05 °C per
decade.
The tight constraint on the lower limit of climate sensitivity indicates we're looking down the barrel of significant
warming in
future decades.
The steady uptick in
warming, even with a relative slowdown in recent
decades, means that the likelihood of seeing a record cold year in the
future is, according to a quick calculation by Mann, «astronomically small.»
Both have been chosen because of their hopes for a brighter
future, but over the
decades, Frank (now played by George Clooney) has become disillusioned, and it's up to Casey and Athena to bring him around and in the process save the world from... Well, I won't spoil it, but let's just say this is the sort of movie in which a discussion of global
warming plays a supporting role and the senselessness of Hollywood movies and video games receives its obligatory culture - war spanking.
Climatologist Jack Hall (Dennis Quaid) finds his dire predictions about global
warming and the
future of the world falling on deaf ears — until the forecasted weather changes begin happening in a matter of hours instead of the anticipated years or
decades.
Future topics that will be discussed include: climate sensitivity, sea level rise, urban heat island - effects, the value of comprehensive climate models, ocean heat storage, and the
warming trend over the past few
decades.
But though the
future will be a
warmer one, I'd think that a winter such as we saw in the Balkans this year still wouldn't be out of the question for the Great Lakes region sometime over the next couple of
decades.
Even in a
warming climate, we could experience an extraordinary run of cold winters, but harsher winters in
future decades are not among the most likely nor the most serious consequences of global
warming.
I hope that innocent bystanders have noticed how useful the betting paradigm has been in generating consensus — me, Chip Knappenberger and the IPCC report all agree that
warming is unlikely to be greater than 0.325 C /
decade in the immediate
future (probably «very unlikely», in IPCC - speak).
And you (or whoever is on your side) get a
warming rate of 0.40 ºC /
decade or greater - indicating that
future climate change will be extreme.
I (or whoever is on my side) get a
future warming rate (as determined over the next 20 years) of 0.25 ºC /
decade or less — indicating that I (we) believe that
future climate change will be modest.
Do you think that in the same way that the Solanki et al paper on solar sunspot reconstructions had a specific statement that their results did not contradict ideas of strong greenhouse
warming in recent
decades, this (the fact that climate sensitivity projections are not best estimates of possible
future actual temperature increases) should be clearly noted in media releases put out by scientists when reporting climate sensitivity studies?
In
future decades for example as humans clean up their pollution act how much
warmer will it be?
The bottom line in this analysis is that both observations of the past
decades and models looking forward to the
future do not suggest that one can explain the heavy rains of Harvey by global
warming, and folks that are suggesting it are poorly informing the public and decision makers.
The amount of
warming we will experience beyond the next few
decades depends upon choices about emissions made now and in the near
future.
Computer model simulations tend to capture the slow rate of
warming in the western Pacific over the last few
decades, but they show the
warm pool heating rapidly in the
future.
At the time (1981) that Hansen published his paper on global
warming, it was a theory of what could happen in
future times — the trend in global temperatures was still decidedly downwards, as it had been for several
decades, and upswings and downswings in the trend were regarded as «random fluctuations» which nobody bothered to try explain.
As emissions continue to increase, both
warming and the commitment to
future warming are presently increasing at a rate of approximately 0.2 °C per
decade, with projections that the rate of
warming will further increase if emission controls are not put in place.
But of course the pace of the temperature trend also depends on the global
future emissions outlook and on remaining uncertainties surrounding climate sensitivity — or the politically most relevant metric «Equilibrium Climate Sensitivity» (ECS), the amount of
warming expected on a
decades timescale after doubling of the atmospheric CO2 concentration.
A few
decades in the
future, as shown on the right, it is
warm almost everywhere.
That may mean that some of the highest estimates of
future temperature rises, of more than 6C within several
decades, are less likely, but it does not let the world off the hook —
warming of more than 2C is still highly likely on current high emissions trends, and that would cause severe consequences around the world.
The two -
decade global -
warming pause, which no late 1990s climate model foresaw, led the public to doubt Big Climate's confident predictions for the
future.
For the past two
decades, scientists have been monitoring the effects of a
warming Arctic on the world's polar bears — and the bears»
future has looked increasingly bleak.
Each
future decade will be about 0.15 — 0.2 deg C
warmer than the previous
decade unless atmospheric CO2 levels are bought under some control.
«Even today, with the global
warming danger level at a critical phase, Defendants continue to engage in massive fossil fuel production and execute long - term business plans to continue and even expand their fossil fuel production for
decades into the
future.»
Part of problem is that even with current levels of emissions, the inertia of the climate system means that not all of the
warming those emissions will cause has happened yet — a certain amount is «in the pipeline» and will only rear its head in the
future, because the ocean absorbs some of the heat, delaying the inherent atmospheric
warming for
decades to centuries.
According to the Cato Institute's book summary, «Acknowledging that industrial emissions of greenhouse gasses have
warmed the planet and will continue to do so over the next several
decades, Michaels and Balling argue that
future warming will be moderate, not catastrophic, and will have benign economic and ecological effects.»
As for the MWP, we don't know that global temps were «as high or higher» than today, but even if they were the fact that it would have been due to some «natural» factor (s) rather than CO2 doesn't alter our expectation that increased CO2 levels should have caused
warming in recent
decades and should do in the
future.
Following this path for even another
decade would doom efforts to keep
future warming below 2 °C.
Climatologists differ on the various causes of climate change, the rate at which the earth is
warming, the effect of man - made emissions on
warming, the most accurate climate data and temperature sets to use, and the accuracy of climate models projecting
decades and centuries into the
future.
A certain amount of continued
warming of the planet is projected to occur as a result of human - induced emissions to date; another 0.5 °F increase would be expected over the next few
decades even if all emissions from human activities suddenly stopped, 11 although natural variability could still play an important role over this time period.12 However, choices made now and in the next few
decades will determine the amount of additional
future warming.
The American Southwest has experienced a series of severe droughts interspersed with strong wet episodes over the past
decades, prompting questions about
future climate patterns and potential intensification of weather disruptions under
warming conditions.
If natural variations are the dominant cause of recent
warming — as the satellite data suggests — then the planet may not
warm for
decades and the
future beyond that is unknowable.
But there is a whole lot of «common sense», which (unfortunately) is missing in the projections of
future climate change being sold by IPCC, starting with the failed projection of 0.2 degC
warming for the first
decade of the century (topic of this thread) and going on to the forecasts of 1.8 degC to 4.0 degC
warming by the end of this century.
Global
Warming floods and droughts crops, increases insect and fungal growth, increases the spread of said non-indigenous vermin, alters the range of crops to where geology and infrastructure (such as irrigation and farms) is not favourable (north of the Southern Manitoba bread - basket is boreal forest too acidic for crops and north even further is only accessible by winter roads)...... these problems are potentially solvable, but certainly as soon as Chinese Himalayan meltwater dries up, or as soon as a Monsoon season fails because of Global
Warming, the next
decade of cost savings by following the Republican / Conservative geoengineering «plan»... such preventable events in the midst of an economic golden age will be looked on by
future generations as evil.
We estimate that anthropogenic influence has caused a more than 60-fold increase in the likelihood of the extreme
warm 2013 summer since the early 1950s, and project that similarly hot summers will become even more frequent in the
future, with fully 50 % of summers being hotter than the 2013 summer in two
decades even under the moderate RCP4.5 emissions scenario.
(11/15/07) «Ban the Bulb: Worldwide Shift from Incandescents to Compact Fluorescents Could Close 270 Coal - Fired Power Plants» (5/9/07) «Massive Diversion of U.S. Grain to Fuel Cars is Raising World Food Prices» (3/21/07) «Distillery Demand for Grain to Fuel Cars Vastly Understated: World May Be Facing Highest Grain Prices in History» (1/4/07) «Santa Claus is Chinese OR Why China is Rising and the United States is Declining» (12/14/06) «Exploding U.S. Grain Demand for Automotive Fuel Threatens World Food Security and Political Stability» (11/3/06) «The Earth is Shrinking: Advancing Deserts and Rising Seas Squeezing Civilization» (11/15/06) «U.S. Population Reaches 300 Million, Heading for 400 Million: No Cause for Celebration» (10/4/06) «Supermarkets and Service Stations Now Competing for Grain» (7/13/06) «Let's Raise Gas Taxes and Lower Income Taxes» (5/12/06) «Wind Energy Demand Booming: Cost Dropping Below Conventional Sources Marks Key Milestone in U.S. Shift to Renewable Energy» (3/22/06) «Learning From China: Why the Western Economic Model Will not Work for the World» (3/9/05) «China Replacing the United States and World's Leading Consumer» (2/16/05)» Foreign Policy Damaging U.S. Economy» (10/27/04) «A Short Path to Oil Independence» (10/13/04) «World Food Security Deteriorating: Food Crunch In 2005 Now Likely» (05/05/04) «World Food Prices Rising:
Decades of Environmental Neglect Shrinking Harvests in Key Countries» (04/28/04) «Saudis Have U.S. Over a Barrel: Shifting Terms of Trade Between Grain and Oil» (4/14/04) «Europe Leading World Into Age of Wind Energy» (4/8/04) «China's Shrinking Grain Harvest: How Its Growing Grain Imports Will Affect World Food Prices» (3/10/04) «U.S. Leading World Away From Cigarettes» (2/18/04) «Troubling New Flows of Environmental Refugees» (1/28/04) «Wakeup Call on the Food Front» (12/16/03) «Coal: U.S. Promotes While Canada and Europe Move Beyond» (12/3/03) «World Facing Fourth Consecutive Grain Harvest Shortfall» (9/17/03) «Record Temperatures Shrinking World Grain Harvest» (8/27/03) «China Losing War with Advancing Deserts» (8/4/03) «Wind Power Set to Become World's Leading Energy Source» (6/25/03) «World Creating Food Bubble Economy Based on Unsustainable Use of Water» (3/13/03) «Global Temperature Near Record for 2002: Takes Toll in Deadly Heat Waves, Withered Harvests, & Melting Ice» (12/11/02) «Rising Temperatures & Falling Water Tables Raising Food Prices» (8/21/02) «Water Deficits Growing in Many Countries» (8/6/02) «World Turning to Bicycle for Mobility and Exercise» (7/17/02) «New York: Garbage Capital of the World» (4/17/02) «Earth's Ice Melting Faster Than Projected» (3/12/02) «World's Rangelands Deteriorating Under Mounting Pressure» (2/5/02) «World Wind Generating Capacity Jumps 31 Percent in 2001» (1/8/02) «This Year May be Second
Warmest on Record» (12/18/01) «World Grain Harvest Falling Short by 54 Million Tons: Water Shortages Contributing to Shortfall» (11/21/01) «Rising Sea Level Forcing Evacuation of Island Country» (11/15/01) «Worsening Water Shortages Threaten China's Food Security» (10/4/01) «Wind Power: The Missing Link in the Bush Energy Plan» (5/31/01) «Dust Bowl Threatening China's
Future» (5/23/01) «Paving the Planet: Cars and Crops Competing for Land» (2/14/01) «Obesity Epidemic Threatens Health in Exercise - Deprived Societies» (12/19/00) «HIV Epidemic Restructuring Africa's Population» (10/31/00) «Fish Farming May Overtake Cattle Ranching As a Food Source» (10/3/00) «OPEC Has World Over a Barrel Again» (9/8/00) «Climate Change Has World Skating on Thin Ice» (8/29/00) «The Rise and Fall of the Global Climate Coalition» (7/25/00) «HIV Epidemic Undermining sub-Saharan Africa» (7/18/00) «Population Growth and Hydrological Poverty» (6/21/00) «U.S. Farmers Double Cropping Corn And Wind Energy» (6/7/00) «World Kicking the Cigarette Habit» (5/10/00) «Falling Water Tables in China» (5/2/00) Top of page
It likewise follows that the failure of temperatures to rise for almost two
decades now has dampened apprehension over global
warming, and that the number of
future converts will rise or fall with the thermometer.