But even extreme global
warming scenarios do not take us there, in any research I have seen.
In no models or predictions of future
warming scenarios does the Antarctic ice mass melt to any significant extent.
In no models or predictions of future
warming scenarios does the Antarctic ice mass melt to any significant extent.
Not exact matches
«If we
do end up with a much
warmer - than - normal winter, the bullish
scenario for prices would -LSB-...]
No, wait, don't sit at a vista point drinking
warm beer out of a paper bag and sighing loudly, this is just a hypothetical
scenario.
The IPCC's climate report says that the most extreme
scenarios of future
warming are looking less likely — but this doesn't change the big picture
Even when additional reduction measures are implemented against black carbon, or soot, which is released when fossil fuels are burned, they
do little to slow down global
warming in a 2 degrees
scenario.
Over this 100 - year period, O'Gorman found that average snowfall decreased substantially in many Northern Hemisphere regions in
warm - climate
scenarios compared with the milder control climates, but that snowfall amounts in the largest snowstorms
did not decrease to the same extent.
As can be seen your graph, our climate models make a wide range of predictions (perhaps 0.5 - 5 degC, a 10-fold uncertainty) about how much «committed
warming» will occur in the future under any stabilization
scenario, so we don't seem to have a decent understanding of these processes.
By vacuuming carbon dioxide out of the air — something the world may need to
do in earnest one day, in order to avoid the worst - case
scenarios associated with global
warming — the plant has effectively put a cost ceiling on what it would take to de-carbonize any industry in the world.
Thus as a practical matter, it doesn't really matter whether the inertia is climatic or societal or technological or economic because the globe will continue to
warm under all realistic
scenarios (what we
do have a possible control over is the magnitude of that
warming).
A 20 - year pause in global
warming does not occur in a single modeled
scenario.
But I went on to say that I
did not think the stronger relationships would really provide a guide to how much global
warming there would actually be late this century on the RCP8.5
scenario, or any other
scenario.
The ultimate problem with this movie is that it's been
done to death, from the premise to the
scenarios and the inevitable heart -
warming realisations; there is not the slightest hint of originality here.
The poles being white reflect heat which is why its critical that we
do nt melt the poles more or have black roads) this * is * causing more gloabal
warming, white roads would be COOL literally helping to act like the poles... for those of you that understand this PLEASE help promote this idea and you can help now by coating your old tarmac drive with bonded white chippings, start a business
doing it, easy cheap startup, loads of demand, you can make as much money
doing this as you like, the demand is immense and will grow as the idea catches on) Going back to our oil
scenario: These pipelines carry oil to fuel dirty inefficient engines machines that for their 15 year lifespan spew poison gases into our limited atmosphere.
Proper communication is essential to create
warm relationships in different business
scenarios, and power writing can be helpful to
do so by reducing the scope of ambiguous statements in business writing.
due to co2 we are already living in a greenhouse.Whatever one
does in that greenhouse will remain in the greenhouse.INDUSTRIOUS HEAT will remain in the greenhouse instead of escaping into outer space; this is a far greater contributor to global
warming than other factors and far more difficult to reduce without reducing economic activity.Like
warm moist air from your mouth on cold mornings so melting antarctic ice will turn into cloud as it meets
warm moist air from tropics the seas will not rise as antarctica is a huge cloud generator.A thick band of cloud around the earth will produce even temps accross the whole earth causing the wind to moderate even stop.WE should be preparing for this possible
scenario»
[Response: You're wrong, as JA points out, since much of the
warming over the next few decades is contrained by commitment and current levels and doesn't much vary by
scenario.
He said that was the worst - case
scenario, if nothing urgent was
done to address global ocean
warming.
Anyway it is a false comparison to compare old temperatures with new temperatures when asking «wht should we
do» you need to compare «our solution» with «their solution» If you are advocating a political strategy you need to accept current proposed strategies will probably still result in the majority of the global
warming predicted in the ordinary
scenario (if not all of it — a point which I can argue if you like).
Other forcings, including the growth and decay of massive Northern Hemisphere continental ice sheets, changes in atmospheric dust, and changes in the ocean circulation, are not likely to have the same kind of effect in a future
warming scenario as they
did at glacial times.
While you don't get a runaway, the tropics
does get very
warm in a saturated
scenario — around 50C.
Another, possibly best case
scenario, shows that if global
warming did not exceed the 2 degree Celsius benchmark, the millennial sea - level rise from the melting of Antarctic ice could likely be restricted to a few meters.
«However,» write the authors, «some
scenarios in our set bring
warming back below 1.5 Celsius by 2100: a first
scenario does so with a probability of about 50 percent, and a second
scenario with a «likely» chance (better than 66 percent).»
Thus now, at the end of 2008, it assumes a volcanic forcing that
does not exist, therefore we should be
warmer under
Scenario B now than implied by RC's diagram.
It just
does not worry me as much as the more likely
scenario that the Earth is becoming a more dangerous, more populated,
warmer place.
In any case, even in a realistic best case
scenario, we're not
doing enough to decarbonize the economy if we want to avoid dangerous and potentially catastrophic global
warming.
To say this another way, even if worst case
warming scenarios with regards to feedbacks
do emerge, all it
does, from the human standpoint, is make rapid responses to climate change all the more urgent and necessary.
Question:
Does your study rule - out the rate of
warming associated with the IPCC's RCP 8.5 emissions
scenario?
So, how
did Brown and Caldeira conclude global
warming could be worse than a
scenario that's unlikely?
Those who support the theory of anthropogenic global
warming (AGW), now known as anthropogenic climate change so that recent cooling can be included in their
scenario, always deny that the sun has anything to
do with recent global temperature movements.
While the IPCC tries to avoid explicitly telling governments what they should
do, the report will present
scenarios showing that
warming can be kept in check if the world shifts its energy system toward renewable sources like wind and solar power and implements technologies to capture greenhouse gases from the atmosphere.
Thank you for some really excellent feedback, Ledefensetech, and as I pointed out, I personally don't subscribe to the we caused global
warming scenario.
«Basically we spent 200 years to
warm our planet by 2 degrees, and then we will
do it in 40 years time, this shows a completely different scale of what's going on,» said Svetlana Jevrejeva, the lead author of the study and a researcher at the National Oceanography Centre in the United Kingdom, in describing the
scenario presented in the study.
We have massive evidence coming out on an almost daily basis that there is no anthropogenic global
warming, that CO2 doesn't cause jack and that there have been plenty of people lying like rugs about it, altering data to fit their global
warming scenario, using tainted data, etc..
But we also
do not give
scenarios for a 10, or even 5 degrees
warming in 2050, because also this is not supported by our understanding of the climate system response, and thus also not by the climate model integrations.
So when I tell you that volcanoes are the major reason for the global
Warming / Climate Change
scenarios being touted by scientists (lobbyists) the world over, I was hoping you might
do some due diligence and find out why?
«
warming in the pipeline» usually assumes constant concentrations, not zero emissions (though if CO2 emissions were dropped to zero tomorrow, and all other emissions were held constant, I'd probably expect a little bit of
warming before it turned over and started dropping) 2) Don't forget aerosols: they are following the Level 1
scenario from Wigley et al. 2009, and may actually dominate short - term temperature trends.
Nor
does he have the vaguest understanding of climate science — so it is not surprising that he misses the fact that the 2.6
scenario involves slightly more
warming than the threshold set at Copenhagen as that to avoid dangerous
warming.
Previous climate models have shown that there didn't appear to be much change in annual average precipitation in California or changes were unknown, even under aggressive
warming scenarios.
There doesn't seem to be any way to get around the fact that we'll have to voluntarily stop burning fossil fuels within the next few decades if we want to aim for the lower end of possible
warming scenarios.
A 20 - year pause in global
warming does not occur in a single modeled
scenario.
But it
does not change the fact that — Hansen's
Scenario A is the closest to the actual development on CO2 — The actual
warming rate was around half that of
Scenario A.
«With some level of
warming and sea level rise already in the pipeline no matter what we
do, we won't see a reduction in impacts or even a sudden levelling - off — impacts are projected to increase at the same rate in all
scenarios for the next couple of decades or so, and after that they merely increase more slowly in the deep emissions cuts
scenarios,» Betts told Mongabay.
The worst
scenario is the
scenario we've been talking about for an hour — we're
warming the planet and we're shifting the rain belt and we're going to have to
do something that we probably never dreamed we'd
do, which is put SO2 into the atmosphere.
It seems that every new climate
scenario making the media over the past 20 years they always describe a
warm future on a multidecadal scale ignoring a cool future as if variability didn't exist, but isn't scientific climatology primarily concerned with longer millenia time scales of a thousand years or more?
L&S don't even provide the emissions
scenario for their future
warming prediction - they simply assume that the linear man - made
warming trend will continue without any justification.
The authors find that, without adaptation, projected corn, rice and wheat production is reduced when areas experience 2.0 °C or more of local
warming and that crop - level adaptations are projected to be able to increase yields when compared to similar
scenarios that
do not utilize adaptation.
AGWers don't seem to realize that the worst conceivalbe AGW
scenario is much less scary than the result ot a conscientious effort to FIGHT global
warming.
What we should
do is identify the most ambitious mitigation
scenario in AR5 and, based on this, agree a global budget to 2050, as well as agreed levels of emissions for 2020, 2025 and 2030, all consistent with a reasonable chance of keeping
warming below 1.5 C. Subsequently, we should identify a methodology based on historical responsibilities and respective capabilities, and which is adjusted for development needs, to define developed countries» commitments on key issues such as mitigation and finance for 2020, 2025 and 2030.