Sentences with phrase «runaway warming in»

Many «climate scientists» would argue that the rate might change greatly after year 40 and lead to runaway warming in years 51 through 100 that will lead to great disaster for humanity if we do not implement what they think is correct.

There's no evidence of runaway warming in the past 4.5 billion years, with CO2 levels higher than today most of the time — up to 10 times higher — yes, geologists are scientists too.

Not exact matches

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Climate scientists tell us that to keep the rise of global temperature above the pre-industrial level at below 1.5 degrees Celsius (2.7 degrees Fahrenheit) in order to avoid runaway global warming, the world must cut greenhouse gas emissions by 15 percent per year starting in 2020.

In a new paper, Hansen and colleagues warn that the current international plan to limit global warming isn't going to be nearly enough to avert disasters like runaway ice - sheet melting and consequent sea - level rise.

«Significant» reductions needed The U.N. Environment Programme's «Emissions Gap 2012» report cautions that even if nations meet their strictest pledges, the world will not be able to cut its output of greenhouse gases in time to prevent runaway global warming (ClimateWire, Nov. 21).

It may seem surprising to people, but you can look at something like Mars, which has a very thin atmosphere, and you can look at something like Venus which we tend to think of as sort of having this rather heavy, clouded atmosphere, which [is] hellishly warm because of runaway greenhouse effect, and on both of those planets you are seeing this phenomenon of the atmosphere leaking away, is actually what directly has led to those very different outcomes for those planets; the specifics of what happened as the atmosphere started to go in each case [made] all the difference.

Siberian surface rock was loaded with carbon, resulting in runaway global warming as atmospheric CO2 levels more than doubled.

Signs of global warming are beginning to appear everywhere: from runaway ice melt in the Arctic to slowly drowning islands in the Pacific.

Another process knows as a «runaway greenhouse» occurs due to the increased greenhouse effect of water vapor in the lower atmosphere, which further drives evaporation and more warming.

Climate forecasts have long noted that every increase in global temperature heightens the odds of runaway global warming, beyond any human control.

Regarding «runaway greenhouse», we've found parameter values in our AGCM + slab ocean model that seem to generate a runaway warming under 2xCO2.

This chemical weathering process is too slow to damp out shorter - term fluctuations, and there are some complexities — glaciation can enhance the mechanical erosion that provides surface area for chemical weathering (some of which may be realized after a time delay — ie when the subsequent warming occurs — dramatically snow in a Snowball Earth scenario, where the frigid conditions essentially shut down all chemical weathering, allowing CO2 to build up to the point where it thaws the equatorial region, at which point runaway albedo feedback drives the Earth into a carbonic acid sauna, which ends via rapid carbonate rock formation), while lower sea level may increase the oxidation of organic C in sediments but also provide more land surface for erosion... etc..

A compelling Climate Fiction trilogy set against a backdrop of runaway global warming... a love story in a hotter, more dangerous world

The left - wing focus on the fantasy of runaway global warming takes all their attention off the real pollution — air, water and land pollution in China, India and other parts of Asia, for one important example.

How many feedback loops do we need to see in the news before we realize that an unstoppable, runaway, warming event is taking place?

One of the things that people (particularly from an engineering background) have trouble with is the idea that the feedback from a small amount of warming can give rise to a much larger amount of warming, and this seems, from an «enginering perspective» on the meaning of «feedback», to result in an uncontrolled «runaway» response.

Runaway greenhouse warming can occur for really extreme conditions (Venus at present, Earth in maybe 5 billion years time when the sun becomes a red giant), but is not a possibility for the next hundred years.

With an 80 % reduction in GHGs by 2050 we have a 50 % chance of dangerous climate change or runaway global warming.

Regarding «runaway greenhouse», we've found parameter values in our AGCM + slab ocean model that seem to generate a runaway warming under 2xCO2.

Leading climate scientists believe that maintaining carbon dioxide levels in excess of 350 ppm will result in runaway global warming with catastrophic impacts to humans, wildlife and ecosystems.

There are continuing major questions about the future of the great ice sheets of Greenland and West Antarctica; the thawing of vast deposits of frozen methane; changes in the circulation patterns of the North Atlantic; the potential for runaway warming; and the impacts of ocean carbonization and acidification.

While you don't get a runaway, the tropics does get very warm in a saturated scenario — around 50C.

BACK TO TOPIC: If CO2 & CH4 are important forcings in a linear GW scenario, then in a «runaway» GW scenario of the warming triggering further mechanisms of warming, triggering further mechanisms, our anthropogenic GHG emissions have even more ultimate impact.

Re # 7, while permanent venusian - style runaway warming is not possible now (until the sun becomes a lot hotter in billions of years), we could go into (what scientists have told me) is hysteresis, a really great warming for even up to 100,000 or 200,000 years, in which a lot of life dies out, before the world cools back down again.

In light of the recent IPCC report released this past week and stating essentially that global warming is a runaway train that can't be stopped for centuries, it may be tempting to give up hope for a brighter future... But like any patient who suffers from a chronic disease that is potentially fatal, not only is education about the condition itself essential, but also what we can do to help mitigate its impact.

In fact, positive feedbacks do not necessarily lead to «runaway warming».

Summary: «Boiling» oceans and the ludicrous Venus - like runaway warming are not happening as predicted by NASA «experts» - the likelihood of either is literally in the realm of the Twighlight Zone

In fact if a strong self sustaining unforced warming of the oceans as we have seen, around 0.8 W / M ^ 2 does exist, the climate of the earth would be in the process of an unstable runaway conditioIn fact if a strong self sustaining unforced warming of the oceans as we have seen, around 0.8 W / M ^ 2 does exist, the climate of the earth would be in the process of an unstable runaway conditioin the process of an unstable runaway condition.

And we certainly never hear a word from the «experts» about the ongoing climate engineering assault that is exacerbating the now runaway warming (in addition to contaminating the entire planet).

You continued, «In fact if a strong self sustaining unforced warming of the oceans as we have seen, around 0.8 W / M ^ 2 does exist, the climate of the earth would be in the process of an unstable runaway condition.&raquIn fact if a strong self sustaining unforced warming of the oceans as we have seen, around 0.8 W / M ^ 2 does exist, the climate of the earth would be in the process of an unstable runaway condition.&raquin the process of an unstable runaway condition.»

After all, nobody had in fact published a firm prediction of an imminent ice age or runaway global warming in a peer - reviewed scientific journal.

About 1980ish, some old ideas like the greenhouse effect were brought out of mothballs and re-examined with new tools and techniques; simultaneously several researchers and theoreticians released their notes, published, or otherwise got together and there was a surprising consilience and not a small amount of mixing with old school hippy ecologism on some of the topics that became the roots of Climate Change science (before it was called Global Warming); innovations in mathematics were also applied to climate thought; supercomputers (though «disappointing» on weather forecasting) allowed demonstration of plausibility of runaway climate effects, comparison of scales of effects, and the possibility of climate models combined with a good understanding of the limits of predictive power of weather models.

In the past no tipping point has ever been known to have occurred as a result of runaway warming from extra water vapour so how have we been persuaded to fear it so much?

1) It appears AGW that melts arctic freshwater also results in a negative feedback that acts against runaway warming; more warm Gulf Stream volume eventually results in less cool volume from Antarctic subpolar current to North equatorial at the base of Cuba.

If the heat is hiding in the deep ocean it is not only unphysical, if true then it negates all arguments about runaway atmospheric warming anyway.

Back in 2008 -» 09, I was perplexed that efforts to mitigate runaway global warming were occurring despite detailed opposition offered by skeptic climate scientists.

That is why extremely high carbon dioxide in geologic history never caused any runaway warming.

These tipping points could be ice sheets on Greenland and Antarctica melting permanently, global food shortages and widespread crop failures with more extreme weather, rising ocean temperatures and acidity reaching triggering a crash in global coral reef ecosystems, and warming oceans push the release of methane from the sea floor, which could lead to runaway climate change, etc..

The earth is near a tipping point where human emissions will certainly result in runaway catastrophic warming, mass extinctions and dangerous unprecedented weather events.

Of course Ferdinand is right not to project catastrophism onto anthropogenic CO2 levels for as you likely know there is a inverse logarithmic relationship between changes in temperature and CO2 levels such that without the assumed positive feedback from water vapour there is no chance of runaway global warming, tipping points or whatever.

that cloud response to warming acts similarly to the eye's iris, opening to let more heat radiate out to space as temperature rises and closing to hold more heat in as temperature falls, and generally supports the understanding that Earth's climate is self - regulating and therefore not prone to a «tipping point» or a «runaway greenhouse effect» or «catastrophic warming.»..

«A recent article in The Gisborne Herald said «warming has been accelerating over the past 20 years», and there is «a runaway greenhouse effect», and «rising sea levels», but none of these things are real.

This will, in turn, trigger runaway warming of the planet and fractured weather patterns like extra-prolonged droughts or sudden, torrential rains as the entire world begins to sizzle!

1) CO2 concentrations in the past have more than once been several thousands of ppm, there was NO runaway global warming.

What they are practicing is not science, it is propaganda based on an unsupportable catastrophic AGW agenda designed to convince the public that a rise in a tiny trace gas comprising only 0.00038 of the atmosphere will cause runaway global warming and climate catastrophe.

Since it has been substantially warmer than today many times in the past, without any evidence of runaway warming, the hypothesis of runaway warming due to positive feedbacks began to look distinctly unpromising.

We are merely re-releasing a tiny portion of the trapped CO2 that was once part of the atmosphere and it wasn't too warm then and we are still in a state of impoverishment of atmospheric CO2, yet nitwits preach «Runaway warming» & «Tipping Points».

In contrast to the sophisticated climate model predictions of runaway («tipping point») global warming, in reality, real - world global warming, as measured by satellites, has disappeared for over 16 years despite the gargantuan increases in CO2 emissions... (Ramez Naam denies thiIn contrast to the sophisticated climate model predictions of runaway («tipping point») global warming, in reality, real - world global warming, as measured by satellites, has disappeared for over 16 years despite the gargantuan increases in CO2 emissions... (Ramez Naam denies thiin reality, real - world global warming, as measured by satellites, has disappeared for over 16 years despite the gargantuan increases in CO2 emissions... (Ramez Naam denies thiin CO2 emissions... (Ramez Naam denies this)

I can not derive from that fact that human released CO2 in the 20th century will doom the earth to runaway warming and destroy vast swaths of humanity as sea levels rise 50m.