Sentences with phrase «climate warming resulting»

A variety of evidence suggests that Arctic sea ice is declining because of climate warming resulting from increased greenhouse gases in the atmosphere.

Not exact matches

For instance, we know that say, targeting a supporter who's responded to your past global - warming emails with a climate - themed fundraiser is likely to yield better results than a less - targeted appeal.
A couple of weeks later, our main climate change page jumped from around position 220 in the results for the search phrase «global warming» to around position 75.
The changes to our planet as a result of global warming are apparent for all to see: the receding glaciers in temperate climates, the reduction in rainfall and advancing deserts in Africa and the lakes in the Mideast and Asia that are virtually disappearing.
«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.
Given the shared urban and historical pattern, the researchers also predicted that scale insects would be more abundant in rural forests today than in the past, as a result of recent climate warming.
«Our results indicate that a wide range of POPs have been remobilized into the Arctic atmosphere over the past two decades as a result of climate change, confirming that Arctic warming could undermine global efforts to reduce environmental and human exposure to these toxic chemicals,» write the scientists, whose analysis was published yesterday in the journal Nature Climate climate change, confirming that Arctic warming could undermine global efforts to reduce environmental and human exposure to these toxic chemicals,» write the scientists, whose analysis was published yesterday in the journal Nature Climate Climate Change.
Despite all these variables, scientists from Svante Arrhenius to those on the United Nations Intergovernmental Panel on Climate Change have noted that doubling preindustrial concentrations of CO2 in the atmosphere from 280 parts per million (ppm) would likely result in a world with average temperatures roughly 3 degrees C warmer.
As a result, more of human emissions would remain in the atmosphere, increasing the greenhouse effect that contributes to global warming and alters Earth's climate.
The research, which got mainstream media attention, projected at what date certain regions would shift to new climates as a result of global warming (ClimateWire, Oct. 10, 2013).
New University of Colorado Boulder - led research has established a causal link between climate warming and the localized extinction of a common Rocky Mountain flowering plant, a result that could serve as a herald of future population declines.
Some researchers have suggested that climate change, which has resulted in a rapidly warming Arctic, is leading to jet stream kinks that keep extreme weather in place, although that hypothesis is still being debated (ClimateWire, April 3).
When the researchers simulated a second effect of climate change in addition to warming, namely drought, the results were even the opposite as expected: The soil animals ate less, and also the microorganisms living in the soil showed a decline in respiration — an indication that they also consumed less food.
Driven by stronger winds resulting from climate change, ocean waters in the Southern Ocean are mixing more powerfully, so that relatively warm deep water rises to the surface and eats away at the underside of the ice.
Now Muller says Berkeley Earth's new results «are stronger than those of the Intergovernmental Panel on Climate Change,» because they found solar activity had a «negligible» role in warming observed since the 1750s.
Vegetation change underway in boreal forests as a result of climate change creates a feedback loop that prompts more warming, scientists say
According to the paper, warmer tropical waters since the mid-18th century can be the result of both natural variability and human - driven climate changes.
«The result is not a surprise, but if you look at the global climate models that have been used to analyze what the planet looked like 20,000 years ago — the same models used to predict global warming in the future — they are doing, on average, a very good job reproducing how cold it was in Antarctica,» said first author Kurt Cuffey, a glaciologist at the University of California, Berkeley, and professor of geography and of earth and planetary sciences.
So this effect could either be the result of natural variability in Earth's climate, or yet another effect of carbon dioxide and other greenhouse gases like water vapor trapping more heat and thus warming sea - surface temperatures.
Despite this key role, the effects of climate warming and increased litter input as a result of shrub expansion on N2 fixation in mosses are ambiguous.
The results — along with a recent Dartmouth - led study that found air temperature also likely influenced the fluctuating size of South America's Quelccaya Ice Cap over the past millennium — support many scientists» suspicions that today's tropical glaciers are rapidly shrinking primarily because of a warming climate rather than declining snowfall or other factors.
These findings from University of Melbourne Scientists at the ARC Centre of Excellence for Climate System Science, reported in Nature Climate Change, are the result of research looking at how Australian extremes in heat, drought, precipitation and ocean warming will change in a world 1.5 °C and 2 °C warmer than pre-industrial conditions.
But the warming that would result from adding such large amounts of carbon to the climate system would be much greater today than during the PETM and could reach up to 10 degrees.
These models currently predict that as a result of today's global climate change, Antarctica will warm twice as much as the rest of the planet, though it won't reach its peak for a couple of hundred years.
Proponents of demand - side climate action are already talking about a $ 100 billion climate fund to help poorer nations adapt to the results of global warming.
The recent slowdown in global warming has brought into question the reliability of climate model projections of future temperature change and has led to a vigorous debate over whether this slowdown is the result of naturally occurring, internal variability or forcing external to Earth's climate system.
But Robeson said the observation aligns with theories about climate change, which hold that amplified warming in the Arctic region produces changes in the jet stream, which can result in extended periods of cold weather at some locations in the mid-northern latitudes.
This study was the first to simulate whole ecosystem warming in the arctic, including permafrost degradation, similar to what is projected to happen as a result of climate change.
The warming climate threatens to thaw permafrost, which will result in the release of carbon dioxide and methane into the atmosphere creating feedbacks to climate change — more warming and greater permafrost thaw.
Already, the planet's average temperature has warmed by 0.7 degree C, which is «very likely» (greater than 90 percent certain) to be a result of the rising concentrations of greenhouse gases in the atmosphere, according to the U.N. Intergovernmental Panel on Climate Change.
To keep Mars warm requires a dense atmosphere with a sufficient greenhouse effect, while the present - day Mars has a thin atmosphere whose surface pressure is only 0.006 bar, resulting in the cold climate it has today.
Although global warming is likely to change the distribution of species, deforestation will result in the loss of more dry forests than predicted by climate change damage.
In November, climate scientist Vladimir Petoukhov reported in the Journal of Geophysical Research that the overall warming of Earth's northern half could result in cold winters.
The results are important, scientists say, because they may provide a clue to how ice sheets on Greenland and Antarctica may respond to a warming climate.
Results of a new study by researchers at the Northeast Climate Science Center (NECSC) at the University of Massachusetts Amherst suggest that temperatures across the northeastern United States will increase much faster than the global average, so that the 2 - degrees Celsius warming target adopted in the recent Paris Agreement on climate change will be reached about 20 years earlier for this part of the U.S. compared to the world as aClimate Science Center (NECSC) at the University of Massachusetts Amherst suggest that temperatures across the northeastern United States will increase much faster than the global average, so that the 2 - degrees Celsius warming target adopted in the recent Paris Agreement on climate change will be reached about 20 years earlier for this part of the U.S. compared to the world as aclimate change will be reached about 20 years earlier for this part of the U.S. compared to the world as a whole.
But although the shield bugs in the former may prosper as a result of a warmer climate in their region, their counterparts in Kenya (and other parts of Africa) may find themselves unable to cope with the heat, according to the research — and, if they can not adapt or move, they may perish.
Global warming became big news for the first time during the hot summer of 1988 when now - retired NASA climate scientist James Hansen testified before Congress that the trend was not part of natural climate variation, but rather the result of emissions of CO2 and other greenhouse gasses from human activities.
The newly published results suggest that mammalian herbivores could generally help protect diversity in warmer climates by preventing losses of small and slowly - growing species.
The results of this study contribute to our understanding of how plants and animals will respond to global climate change and highlight the need to slow and prevent further warming.
Moreover, their results were nonsynchronous: «Their analysis doesn't consider whether the warm / cold periods occurred at the same time,» says Peter Stott, a climate scientist at the U.K.'s Hadley Center for Climate Prediction and Research in Braclimate scientist at the U.K.'s Hadley Center for Climate Prediction and Research in BraClimate Prediction and Research in Bracknell.
One possible source is a 1938 study by pioneering climate scientist Guy Callendar in which he predicted that doubling the global concentration of carbon dioxide from pre-industrial levels would result in around 2 °C of warming.
The implication: because average temperatures may warm by at least one degree C by 2030, «climate change could increase the incidences of African civil war by 55 percent by 2030, and this could result in about 390,000 additional battle deaths if future wars are as deadly as recent wars.»
The report, written and reviewed by leading U.S. scientists as part of the National Climate Assessment, reinforces that warming temperatures and extreme weather around the globe are «extremely likely» to be the result of carbon pollution from human activities.
Till now, climate modellers» forecasts of future warming have resembled the famous bell curve, with the most likely result of doubling CO2 being a temperature increase of about 3 °C, and with declining probabilities on either side for a narrow range of higher and lower temperature rises (see Graph).
But results from a Canadian government climate modeling study published last month suggest that «it is unlikely that warming can be limited to the 2 ˚C target,» the scientists who wrote the study say.
He believes that changes in ocean circulation have warmed the Atlantic and increased hurricane activity in the past decade and that this is simply the result of normal oscillation in natural climate cycles.
Scientists have long explained that winter and record cold snaps will not disappear as a result of climate change, and that cold spikes may get worse as a result of shifting weather patterns under global warming.
Today's climate models predict a 50 percent increase in lightning strikes across the United States during this century as a result of warming temperatures associated with climate change.
The findings from researchers at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science provide new evidence that climate change in the tropical Pacific will result in changes in rainfall patterns in the region and amplify warming near the equator in the future.
But the period of time over which the team analysed the long - term trend in warming was the past 50 years, in which this oscillation hasn't changed significantly — so almost all the warming looks to have been the result of anthropogenic climate change.
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