Sentences with phrase «significant warming of the climate»

He rightly cited the solid scientific consensus showing significant warming of the climate system, with most global warming in recent decades mainly a result of human activity.

Not exact matches

More than 170 countries agreed early Saturday morning to limit emissions of key climate change - causing pollutants found in air conditioners, a significant step in the international effort to keep global warming from reaching catastrophic levels.
Trump is poised in the coming days to announce his plans to dismantle the centerpiece of former President Barack Obama's climate change legacy, while also gutting several smaller but significant policies aimed at curbing global warming.
«Our results indicate that areas of eastern Texas, Florida, the south - east and mid-Atlantic are areas where rapid population growth, acting in concert with a warming climate, will lead to a significant increase in exposure to heat extremes,» says Jones.
With Arctic temperatures warming twice as fast as the global average, scientists estimate thawing permafrost could release large amounts of carbon into the atmosphere through the end of the century with significant climate impacts.
While natural sources of climate variability are significant, multiple lines of evidence indicate that human influences have had an increasingly dominant effect on the climate warming observed since the mid-twentieth century.
One of the most significant findings is that high percentages of Americans — or roughly a third — say that they could easily change their minds about global warming, said Tom Bowman, president of the consulting firm Bowman Global Change, who has examined how climate scientists communicate to the public.
«Using a numerical climate model we found that sulfate reductions over Europe between 1980 and 2005 could explain a significant fraction of the amplified warming in the Arctic region during that period due to changes in long - range transport, atmospheric winds and ocean currents.
Previous studies by the Cardiff team on warming effects in the Rivers Wye and Tywi reveal significant reductions in insect numbers and even an instance of local species extinction due to climate change.
So if you think of going in [a] warming direction of 2 degrees C compared to a cooling direction of 5 degrees C, one can say that we might be changing the Earth, you know, like 40 percent of the kind of change that went on between the Ice Age; and now are going back in time and so a 2 - degree change, which is about 4 degrees F on a global average, is going to be very significant in terms of change in the distribution of vegetation, change in the kind of climate zones in certain areas, wind patterns can change, so where rainfall happens is going to shift.
A significant proportion of the loss is attributable to climate change, which has strengthened destructive tropical cyclones and made surrounding waters warmer and more acidic.
Including the elevation effects in the model increases the estimated sea - level rise by a small but significant amount (5 % enhancement of melt by 2100 and 10 % by 2200 for a climate warming scenario).
It shows that changes in Earth's climate and sea level are closely linked, with only small amounts of warming needed to have a significant effect on seal levels.
The number of climate refugees could be significant, anywhere from 1.4 million to 6.7 million Mexicans, depending on how much warming actually occurs.
Boulder, Colo., USA: Cretaceous climate warming led to a significant methane release from the seafloor, indicating potential for similar destabilization of gas hydrates under modern global warming.
Fact # 1: Carbon Dioxide is a Heat - Trapping Gas Fact # 2: We Are Adding More Carbon Dioxide to the Atmosphere All the Time Fact # 3: Temperatures are Rising Fact # 4: Sea Level is Rising Fact # 5: Climate Change Can be Natural, but What's Happening Now Can't be Explained by Natural Forces Fact # 6: The Terms «Global Warming» and «Climate Change» Are Almost Interchangeable Fact # 7: We Can Already See The Effects of Climate Change Fact # 8: Large Regions of The World Are Seeing a Significant Increase In Extreme Weather Events, Including Torrential Rainstorms, Heat Waves And Droughts Fact # 9: Frost and Snowstorms Will Still Happen in a Warmer World Fact # 10: Global Warming is a Long - Term Trend; It Doesn't Mean Next Year Will Always Be Warmer Than This Year
U.S. Data Since 1895 Fail To Show Warming Trend LINK WASHINGTON, Jan. 25 — After examining climate data extending back nearly 100 years, a team of Government scientists has concluded that there has been no significant change in average temperatures or rainfall in the United States over that entire period.
Across most of the continental U.S., winter is the fastest warming season, and is the only season that has seen significant warming in each climate division.
With near - surface waters around South Georgia being some of the fastest warming on Earth climate change poses a significant threat to this biodiversity hotspot.
Oregon and Washington are the number one and two softwood - producing states in the nation, respectively; 20 these two states plus Idaho produce more than $ 11 billion in primary wood product sales.21 Our review of existing research suggests the Northwest's forests will experience significant potential impacts from climate change, in particular from wildfire — due to both increased drought and to wood damage from pests surviving warmer winters.
Two examples of climate extremes include periods of intense warm or cool temperatures and significant wet or dry spells across seasons.
This form of heating has a significant warming effect on the climate, which is cause for concern.
The tight constraint on the lower limit of climate sensitivity indicates we're looking down the barrel of significant warming in future decades.
The hypothesis that greenhouse gas emissions have produced or are capable of producing a significant warming of the Earth's climate since the start of the industrial era is credible, and merits continued attention.
The scientists concluded in the paper that their findings, combined with projected ongoing warming, show that even if rates of climate pollution are reigned in, that «may not be sufficient to avoid significant impacts» of acidification on coral reef regeneration.
OO An Unusually Warm Arctic Year: Sign Of Future Climate Turmoil with significant effects on US weather.
Climate changes in past centuries were significant in some parts of the world, but they were often opposite (e.g. warm vs. cold) in different regions at any given time, in sharp contrast with the global synchrony of 20th century warming.
The report starts off with a blunt warning: «Man is setting in motion a series of events that seem certain to cause a significant warming of world climates over the next decades unless mitigating steps are taken immediately.»
So the marked early 20th century warming was likely a mixture of recovery from volcanic forcing and accumulated (but masked) greenhouse forcing [the 1880 - 1940 [CO2] rise from ~ 290 — ~ 309 ppm was quite significant (equivalent to nearly 0.3 oC at equilibrium with a mid-range climate sensitivity)-RSB-.
Of course, at the same time they could include comment addressing the possibility of other factors playing quantitatively significant roles in warming / climate changOf course, at the same time they could include comment addressing the possibility of other factors playing quantitatively significant roles in warming / climate changof other factors playing quantitatively significant roles in warming / climate change.
Elevated trace GHG concentrations contributed an estimated positive forcing of approximately 1.7 — 2.3 W m - 2 (Table S5) in addition to that of CO2 and produced equilibrium climate system responses resulting in widespread significant warming, especially in the high latitudes (Figs. 3 and 4).
Assuming a climate sensitivity of 0.7 K / W / m ^ 2, this would contribute less than 0.06 C of the estimated 0.6 C mean global warming between the Maunder Minimum and the middle of last century, before significant anthropogenic contributions could be involved.»
On the contrary, roughly 80 percent of HOT is devoted to on - the - ground reporting that focuses on solutions — not just the relatively well known options for reducing greenhouse gas emissions and otherwise limiting global warming, but especially the related but much less recognized imperative of preparing our societies for the many significant climate impacts (e.g., stronger storms, deeper droughts, harsher heat waves, etc.,) that, alas, are now unavoidable over the years ahead.
a significant number of climate scientists acknowledge the hiatus in surface warming, though they feel confident it can be explained; 2.
Climate modeling shows that a significant part of this warming is due to anthropogenic causes.
With the warming already committed in the climate system plus the additional warming expected from rising concentrations of greenhouse gases in the atmosphere, the Arctic will experience significant changes during this century even if greenhouse gas emissions are stabilized globally at a level lower than today's.
«Borehole temperatures in the ice sheets spanning the last 6000 years show Antarctica repeatedly warming when Greenland cooled, and vice versa... The phenomena has been called the polar see - saw... Attempts to account for it have included the hypothesis of a south - flowing warm ocean current with a built in time lag... There is (however) no significant delay in the Anarctica climate anomaly...
I'm simply questioning the validity of the hypothesis offered by so many climate scientists that CO2 emissions from fossil fuels are a significant factor in global warming, to the extent that they must be drastically reduced.
Victor (243): I'm simply questioning the validity of the hypothesis offered by so many climate scientists that CO2 emissions from fossil fuels are a significant factor in global warming, to the extent that they must be drastically reduced.
Actually, there is some interesting work being done by Matt Huber of Purdue, following up on some earlier ideas of Emanuel's, suggesting that the role of TCs in transporting heat from equator towards the poles may be more significant than previously thought — it also allows for some interesting, though admittedly somewhat exotic, mechanisms for explaining the «cool tropics paradox» and «equable climate problem» of the early Paleogene and Cretaceous periods, i.e. the problem of how to make the higher latitudes warm without warming the tropics much, something that appears to have happened during some past warm epochs in Earth's history.
«The climatic forcings resulting from such solar — terrestrial links may have had a significant impact on climate prior to the onset of anthropogenic warming».
Thomas Lee Elifritz (# 70), you quote the authors: «The climatic forcings resulting from such solar — terrestrial links may have had a significant impact on climate prior to the onset of anthropogenic warming».
In fact previous climate warming after the last ice age did have significant negative impacts on early human settlements (evidence of periods of significant and rapid regional sea level rise).
How many times have we seen someone select two stations «randomly» and see that they don't show significant warming over a limited range of time and conclude there's no climate change?
It is the inertia of societal infrastructure, the carbon cycle and the climate that implies that at any point there is a significant warming that is already «in the pipeline» (and thus very difficult to avoid).
Humans are altering the climate in diverse ways, a variety of human climate forcings are significant, and the effects of these forcings need to be responded to, even if the climate did not warm.
Subsidary question: as the ocean is quite a big part of the climate system, are it's temperature variations sufficiently constraint to corroborate the very interesting conclusion of Gavin's note: «It's interesting to note that significant solar forcing would have exactly the opposite effect (it would cause a warming)-- yet another reason to doubt that solar forcing is a significant factor in recent decades.»
To me, the more subtle background trend is the significant one to watch because it's like the long - term warming of the climate itself.
«One of the most significant signals in the thermometer - observed temperature record since 1900 is the decrease in the diurnal temperature range over land, largely due to warming of the minimum temperatures... Climate models have in general not replicated the change in diurnal temperature range well.
The archive shows only scattered uses of «global warming» (and little more for «climate change») into the 1970s, with a significant rise for «global warming» after 1975.
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