Sentences with phrase «driven by carbon dioxide»

Methane is a powerful greenhouse gas 25 times more potent than carbon dioxide, and the ongoing global warming driven by carbon dioxide will inevitably force it out of its frozen reservoirs and into the atmosphere to amplify the warming.
They are not the backcast analogous to the future projection which would be driven by carbon dioxide concentration.
By analyzing global water vapor and temperature satellite data for the lower atmosphere, Texas A&M University atmospheric scientist Andrew Dessler and his colleagues found that warming driven by carbon dioxide and other gases allowed the air to hold more moisture, increasing the amount of water vapor in the atmosphere.
However, Goddard said the results don't fully show the slowdown has disappeared when comparing the past 15 years to the decades preceding that period and that understanding the natural fluctuations in climate on a year - to - year (or even decade - to - decade) basis provides important context to the warming trends driven by carbon dioxide.
The high mortality rate is due to ocean acidification, partly driven by carbon dioxide emissions, according to an April 2012 study.
Image shows a cold water geyser driven by carbon dioxide erupting from an unplugged oil exploration well drilled in 1936 into a natural CO2 reservoir in Utah.

Not exact matches

Newer designs should help close the gap, but fossil fuels» cost - effectiveness is driven, in part, by a licence to emit carbon dioxide.
«Many approaches in synthetic carbon dioxide fixation have been driven by top - down «trial - and - error» approaches through direct implementation of new routes into the complex background of living organisms,» Erb said.
Jet engine exhaust emits carbon dioxide, which drives climate change by warming the atmosphere, leading to increasing global temperatures, rising seas and extreme weather.
Chevrolet Volt, Ford Focus Electric and Toyota Prius Plug - in Hybrid, consumers may want to know just how much they'll be saving in fuel and carbon dioxide emissions by driving an EV in their area.
The increased production in these crops is driven by higher precipitation predicted to occur in the central U.S., combined with higher concentrations of carbon dioxide, which reduces a plant's water requirements.
Chemists have long sought an efficient, light - driven catalyst to power this reaction, which could help reduce the growing levels of carbon dioxide in our atmosphere by converting it into methane, a key building block for many types of fuels.
Scientists generally think that global warming, driven mostly by rising levels of atmospheric carbon dioxide, will make some regions wetter and others drier.
The achievement will allow researchers to conduct further studies to determine how the hormone helps plants respond to drought and other environmental stresses driven by the continuing increase in the atmosphere's carbon dioxide, or CO2, concentration.
Michael Replogle of ITDP, a co-author of the report «A Global High Shift Scenario», said transport, driven by a rapid growth in car use, had been the fastest growing source of carbon dioxide emissions in the world.
The researchers used satellite observations including determinations of net primary production (NPP)-- the net production of organic matter from aqueous carbon dioxide (CO2) by phytoplankton — to drive their food - web - based model.
Okin calculated that meat - eating by dogs and cats creates the equivalent of about 64 million tons of carbon dioxide a year, which has about the same climate impact as a year's worth of driving from 13.6 million cars.
EUROPE»S plans for tackling global warming by driving down emissions of carbon dioxide may have backfired in Germany, where they have encouraged energy companies to build coal - fired power stations instead of gas - fired stations, which emit less CO2.
Europe's renewable energy targets drive demand for wood pellets Other voices in the forestry sector, including Agriculture Secretary Tom Vilsack, said that wood - based energy is renewable because the wood burned is replaced by other trees that take in carbon dioxide, making the process carbon - neutral.
The planet's average surface temperature has risen about 1.8 degrees Fahrenheit (1.0 degree Celsius) since the late - 19th century, a change largely driven by increased carbon dioxide and other human - made emissions into the atmosphere.
Peering deep into these proteins, Fleming and his colleagues at the University of California at Berkeley and at Washington University in St. Louis have discovered the driving engine of a key step in photosynthesis, the process by which plants and some microorganisms convert water, carbon dioxide, and sunlight into oxygen and carbohydrates.
Also, the Clean Power Plan, proposed by the EPA in June 2014, seeks to cap carbon dioxide emissions from power plants and drive investment in renewable energy.
While a strong El Niño has given global temperatures a boost, the bulk of that heat comes from the manmade global warming driven by increasing amounts of carbon dioxide and other greenhouse gases in the atmosphere.
Scientists in Switzerland have found a new way to split carbon dioxide using a low - cost copper catalyst in a system driven by solar power.
The close relationship between ENSO and global temperature, as described in the paper, leaves little room for any warming driven by human carbon dioxide emissions.
Hence the irony in Bob Carter's conclusion «The close relationship between ENSO and global temperature leaves little room for any warming driven by human carbon dioxide emissions».
According to one of its authors, Bob Carter, the paper found that the «close relationship between ENSO and global temperature, as described in the paper, leaves little room for any warming driven by human carbon dioxide emissions».
Climate change driven by increasing levels of atmospheric carbon dioxide will not.
After all, they are emitting their own carbon dioxide by driving around to film.
We all contribute to carbon dioxide emissions by driving, flying, and using electricity to heat and light our homes, run our appliances, and more.
Aluminum - intensive vehicles would have to be driven 32 - 38 years to compensate for the additional volume of carbon dioxide (CO2) generated by producing the metal vs. ultra-light steel, according to a new Massachusetts Institute of Technology study released at the American Iron and Steel Institute's annual meeting in New York last week.
But HFCs remain a small contributor to meeting the grand challenge of stabilizing climate, with many centuries of heating of the climate and oceans being driven predominantly by the unrelenting buildup of long - lasting carbon dioxide, as Raymond Pierrehumbert of Oxford University and others have shown.
The findings of the Census of Marine Life Tagging of Pacific Predators project, published online today in the journal Nature, are particularly significant because they come just days after another evaluation of the world's oceans pointed to severe disruption driven by over-exploitation, rising carbon dioxide concentrations, torrents of nutrients choking coastal waters and rising temperatures.
But given what I understand to be true, that greater warming has occured than in the distant past than is currently occurring, how can we be so sure we are examining all the right 20th century events, since these earlier warmings were clearly caused by events other than human driven carbon dioxide emissions?
John Sterman, the researcher from M.I.T. (the Sloan School of Management), is one of many risk specialists who compare warming driven by accumulating carbon dioxide to a bathtub that's being filled faster than water is leaving through the open drain.
As the post explains, Broecker's 1975 paper appears to have been the first in the scientific literature to use the term «global warming» to describe climate change driven by the buildup of human - generated carbon dioxide.
The vast majority of research in recent decades on the carbon dioxide buildup has been focused on the atmospheric impacts of the accumulating greenhouse - gas blanket even though the vast majority of the heated trapped by these gases has gone first into the seas — and the drop in seawater pH driven by CO2 has been a clear signal of substantial environmental change.
To my eye, this animated graph, produced by the federal Earth Systems Research Laboratory, is one of the best attempts to put the recent human - driven surge in carbon dioxide concentrations in the atmosphere into long - term context:
I reached out to Pierrehumbert because he is one of many authors of «Consequences of twenty - first - century policy for multi-millennial climate and sea - level change,» an important new Nature Climate Change analysis reinforcing past work showing a very, very, very long impact (tens of millenniums) on the Earth system — climatic, coastal and otherwise — from the carbon dioxide buildup driven by the conversion, in our lifetimes, of vast amounts of fossil fuels into useful energy.
To reduce carbon dioxide emissions in the transportation sector 14 percent from 2005 levels by 2020, the cost of driving would simply have to increase, according to a report released Thursday by researchers at Harvard's Belfer Center for Science and International Affairs.
And, the IPCC projection is probably too high because it was driven by a collection of climate models which new science indicates produce too much warming given a rise in atmospheric carbon dioxide levels.
The scientistsâ $ ™ predictions also undermine the standard climate computer models, which assert that the warming of the Earth since 1900 has been driven solely by man - made greenhouse gas emissions and will continue as long as carbon dioxide levels rise.
In a press release boldly titled «Nature, Not Man, is Responsible for Recent Global Warming,» study coauthor Bob Carter claimed that the findings left «little room for any warming driven by human carbon dioxide emissions».
The ongoing warming trend — as well as the increasing frequency and severity of high - humidity heat waves — is ultimately driven by rising concentrations of carbon dioxide and other greenhouse gases in the atmosphere.
Ice loss is driven by emissions of long - lived gases like carbon dioxide and short - lived climate pollutants like methane and black carbon, or soot.
Scientists and policy - makers sometimes refer to the status of the unadulterated climate by the preindustrial levels of carbon dioxide, under the assumption that staying below 350 ppm would entail a climatically safer world characterized, among other things, by a decrease of anthropogenically driven extremes.
The ocean uptake of excess atmospheric carbon dioxide, the excess above preindustrial levels driven by human emissions, causes well - understood and substantial changes in seawater chemistry that can affect marine organisms and ecosystems.
At the same time, evidence shows that rising atmospheric carbon dioxide, partly driven by industrial emissions, is boosting forest growth.
For example, atmospheric carbon dioxide grew by approximately 30 % during the transition from the most recent cold glacial period, about 20,000 years ago, to the current warm interglacial period; the corresponding rate of decrease in surface ocean pH, driven by geological processes, was approximately 50 times slower than the current rate driven largely by fossil fuel burning.
Global upper - ocean chemistry trends driven by human carbon dioxide emissions are more rapid than variations in the geological past.
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