Sentences with phrase «over warming of the climate»

(1) there is established scientific concern over warming of the climate system based upon evidence from observations of increases in global average air and ocean temperatures, widespread melting of snow and ice, and rising global average sea level;

Not exact matches

In the forestry sector, warmer winter temperatures linked to climate change is the major factor contributing to the outbreak of the mountain pine beetle in Western Canada, which had reduced the economic value of over 18 million hectares of Canadian forest by 2012.
In a recent analysis of climate events from last year, 2016, scientists determined three events — record - breaking global heat, a heat wave over Asia, and a «blob» of unusually warm water in the Northern Pacific — could not have occurred without human - induced climate change.
A new study that looks at climate change over the past 11,300 years — a record length of time for any study — suggests that the current trend of global warming is unprecedented.
Dr. Hayhoe is the co-author of the book A Climate for Change: Global Warming Facts for Faith - Based Decisions and describes herself as «a spokesperson with one principal goal — to bring public awareness to the simple truth that the scientific debate is over, and now it's time for all of us to take action.»
But over the past two decades an invasion of foreign restaurants has brought tongue - tingling tastes from warmer climates to this chilly part of northern Europe.
Fifty - eight percent of Republicans believe that global warming is a «hoax,» compared to 11 percent of Democrats, according to new polling that underscores political divides over climate change among U.S. residents.
Researchers from the Niels Bohr Institute have analysed the natural climate variations over the last 12,000 years, during which we have had a warm interglacial period and they have looked back 5 million years to see the major features of the Earth's climate.
«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.
Following up on discussions in the regular negotiations, the accord would establish a start - up fund of roughly US$ 30 billion over the next three years to help developing countries prepare for a warmer climate, integrate new technologies into sustainable development plans and protect their forests.
They agreed with the Intergovernmental Panel on Climate Change that human activity had caused most of Earth's warming over the second half of the 20th century.
Some species of cranes migrate over long distances, while cranes in warm climates do not migrate at all.
Yet, there is merit in not completely ignoring other climate forcers, which could affect the rate of warming, particularly over the next few decades,» says Stohl.
Controversy over «incontrovertible» The roots of the conflict can be traced to 2007, when the APS released a statement on climate change stating, «The evidence is incontrovertible: Global warming is occurring.»
By improving the understanding of how much radiation CO2 absorbs, uncertainties in modelling climate change will be reduced and more accurate predictions can be made about how much Earth is likely to warm over the next few decades.
«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.
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.
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.
New research published in Geophysical Research Letters by University of Melbourne scientists at the ARC Centre of Excellence for Climate System Science shows that a positive IPO would likely produce a sharp acceleration in global warming over the next decade.
Over the past three decades, the incidence of cyclones in the tropics has actually diminished — because while tropical cyclones may become more intense in a warmer climate, it is actually more difficult to generate them.
Rich and poor were deadlocked on Wednesday over how to raise aid to help developing countries cope with the damaging effects of global warming, in a setback at United Nations climate talks in Warsaw seeking progress towards a 2015 accord.
In contrast, Bierman and colleagues» data provides a record of continuous ice sheet activity over eastern Greenland but can't distinguish whether this was because there was a remnant in East Greenland or whether the ice sheet remained over the whole island, fluctuating in size as the climate warmed and cooled over millions of years.
With warmer temperatures will come more floods like the ones that have buffeted Australia over the past year, but the other half of the climate equation is making itself abundantly felt as well.
The research team drew information from huge stream - temperature and biological databases contributed by over 100 agencies and a USGS - run regional climate model to describe warming trends throughout 222,000 kilometers (138,000 miles) of streams in the northwestern United States.
A few of the main points of the third assessment report issued in 2001 include: An increasing body of observations gives a collective picture of a warming world and other changes in the climate system; emissions of greenhouse gases and aerosols due to human activities continue to alter the atmosphere in ways that are expected to affect the climate; confidence in the ability of models to project future climate has increased; and there is new and stronger evidence that most of the warming observed over the last 50 years is attributable to human activities.
The slipperiness, caused by films of water spread over large areas, helps ascertain how quickly a melting ice sheet will slide into the sea as the climate warms — and thus how quickly sea levels will rise.
While the measured kidney injury resolved within two days post-marathon, the study still raises questions about the effects of repeated strenuous activity over time, especially in warm climates.
The research concludes that for other changes, such as regional warming and sea ice changes, the observations over the satellite - era since 1979 are not yet long enough for the signal of human - induced climate change to be clearly separated from the strong natural variability in the region
Using 19 climate models, a team of researchers led by Professor Minghua Zhang of the School of Marine and Atmospheric Sciences at Stony Brook University, discovered persistent dry and warm biases of simulated climate over the region of the Southern Great Plain in the central U.S. that was caused by poor modeling of atmospheric convective systems — the vertical transport of heat and moisture in the atmosphere.
Thus, a homeowner will probably not be able to show that the hurricane that destroyed his house was spawned by global warming, but the state of Florida may well prove that increased damage to coastal property over several years has a lot to do with climate change.
Another principal investigator for the project, Laura Pan, senior scientist at the National Center for Atmospheric Research in Boulder, Colo., believes storm clusters over this area of the Pacific are likely to influence climate in new ways, especially as the warm ocean temperatures (which feed the storms and chimney) continue to heat up and atmospheric patterns continue to evolve.
Dozens of studies have already demonstrated that species are shifting their geographic ranges over time as the climate warms, towards cooler habitats at higher elevations and latitudes.
«Warming greater than 2 degrees Celsius above 19th - century levels is projected to be disruptive, reducing global agricultural productivity, causing widespread loss of biodiversity and — if sustained over centuries — melting much of the Greenland ice sheet with ensuing rise in sea levels of several meters,» the AGU declares in its first statement in four years on «Human Impacts on Climate
«Climate change researchers know that when we look out over the next 100 years, things will get warmer and, on a per - person basis, use of air conditioning will rise.
Kevin Trenbeth, a climate scientist at the National Center for Atmospheric Research in Boulder, Colo., said the study didn't account for changes in sea surface temperatures, which are the main drivers of changes in the position of the rain belts (as is seen during an El Nino event, when Pacific warming pushes the subtropical jet over the Western U.S. southward).
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.
The repercussions of the findings, which were published Thursday in Science, could make it harder to hold warming to limits set during recent United Nations climate negotiations — but they're being received cautiously by other climate scientists, with questions raised over the results of the analysis.
Earth's climate naturally varies between times of warming and periods of extreme cooling (ice ages) over thousands of years.
These molecules control the climate, so following them allows us to understand the history of Mars over the last four billion years and to track the change from a warm and wet climate to the cold, dry climate we see today.
Over the past decade the former vice president has trained thousands of climate leaders who are now spreading awareness about global warming in communities around the planet.
But the change from 2004 to 2007 in the sun's output of visible light, and the attendant warming at Earth's surface of 0.1 watt per square meter, is roughly equivalent to the overall forcing of the sun on the climate over the past 25 years — estimated by the U.N. Intergovernmental Panel on Climate Change to be an additional 0.12 watt per squareclimate over the past 25 years — estimated by the U.N. Intergovernmental Panel on Climate Change to be an additional 0.12 watt per squareClimate Change to be an additional 0.12 watt per square meter.
Over the next 100 years, Minnesota's iconic boreal forest and deep snow may change into a deciduous forest with winters warm enough for some precipitation to fall as rain, according to a new U.S. Forest Service assessment of the vulnerability of Minnesota forests to climate change.
Peter Stott, the head of climate monitoring at the U.K. Met Office, agreed, noting in an email that, «The slowdown hasn't gone away, however, the results of this study still show the warming trend over the past 15 years has been slower than previous 15 year periods.
A Warmer Earth, and Fewer Insured Private insurers also point fingers at a changing climate, citing a report issued by the Intergovernmental Panel on Climate Change (IPCC) earlier this year that concluded global warming is to blame for a doubling over the past five years of natural disasters — and that the situation will worsen if nothing is done to sclimate, citing a report issued by the Intergovernmental Panel on Climate Change (IPCC) earlier this year that concluded global warming is to blame for a doubling over the past five years of natural disasters — and that the situation will worsen if nothing is done to sClimate Change (IPCC) earlier this year that concluded global warming is to blame for a doubling over the past five years of natural disasters — and that the situation will worsen if nothing is done to stop it.
There are some caveats with their study: The global climate models (GCMs) do not reproduce the 1930 - 1940 Arctic warm event very well, and the geographical differences in a limited number of grid - boxes in the observations and the GCMs may have been erased through taking the average value over the 90 - degree sectors.
In general, climate scientists expect heavy downpours to increase over the U.S. and elsewhere, as a warmer atmosphere can hold more moisture, making more of it available to fall as rain.
This continues the trend of warming winters over the past few decades as the climate warms from increasing greenhouse gases, with the eastern two - thirds of the country warming the most during the winter.
There was a warm, stable climate with dispersed continents surounded by vast warm and shallow seas over continental shelves that provided light, oxygen, and nutrients for life to thrive in, because intense mountain - building also increased erosion and the discharge of eroded nutrients into those seas.
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.
The Nature article comes as climate scientists published what they said today was the «best ever» collection of evidence for global warming, including temperature over land, at sea and in the higher atmosphere, along with records of humidity, sea - level rise, and melting ice.
a b c d e f g h i j k l m n o p q r s t u v w x y z