Sentences with phrase «larger amounts of carbon in»

There are several reasons why having larger amounts of carbon in working fields that we can safely put into the air doesn't automatically mean no new fields can be opened.
Savory's proposal seems dubious but I have seen other studies which show that organic agriculture and reforestation can sequester large amounts of carbon in soils and biomass — and of course they have other benefits as well, for biodiversity and human health.
The mechanisms behind these hyperthermals are poorly understood, as discussed below, but they are characterized by the injection into the surface climate system of a large amount of carbon in the form of CH4 and / or CO2 on the time scale of a millennium [205]--[207].
These «degraded» lands however still contain large amounts of carbon in the case of water logged organic peat soils.

Not exact matches

As plants in and around the lake grow larger and / or proliferate, the amount of organic carbon available when they die and the rate at which they break down in soil increases.
This means that larger amounts of carbon are released (in the form of the greenhouse gas carbon dioxide) from these areas than from the undisturbed interior of the forest.
Most electricity in the United States is generated at power plants that run on coal and natural gas — fossil fuels that contribute significantly to global warming by emitting large amounts of carbon dioxide.
[3] Given the large amount of heavy elements in WASP - 39b's atmosphere, Wakeford and her team predict that carbon dioxide will be the dominant form of carbon.
Consequently, large amounts of carbon have been emitted into the atmosphere in the form of CO2 contributing to global warming.
That could explain two other anomalies from the era's geologic record, Lenton says: the large amounts of organic - rich shale that were deposited as nearshore sediments and the unusually high proportion of carbon - 13 isotopes in the rocks.
The authors found that when trees are exposed to drought, not only are climate - stressed trees less likely to take in as much carbon, but when they die, they release large amounts of stored carbon into the atmosphere.
Seagrass meadows are able to store large amounts of carbon but historically they have been virtually ignored in global carbon budgets.
In other words, even if the world ran on carbon - free energy and we stopped deforestation, temperatures could only be lowered by removing large amounts of CO2 from the atmosphere.
Salt marshes, such as this one in the Waquoit Bay National Estuarine Research Reserve in East Falmouth, Massachusetts, capture and store large amounts of carbon dioxide from the atmosphere every year.
Researcher Michael O'Donnell, an ecologist at the University of Washington, has shown that ocean acidification, a process in which absorbing large amounts of carbon dioxide lowers the pH of oceans, is weakening mussels» byssal threads.
Isotope ratios (the ratio of carbon - 13 to carbon - 12, for example) are different in human foods than in the wild plants and animals that black bears naturally eat in Yosemite, partly due to the large amounts of meat and corn - based foods in our diets.
«It'd be about four times larger in terms of the amount of CO2 emissions from the facilities that are [currently] covered, and it'd be by far the largest cap - and - trade system in the world,» said Larry Goulder, an economist at Stanford University who has organized meetings of carbon market architects in both China and California.
Soils are the largest land - based reservoir of organic carbon on the planet, storing around 1,500 billion metric tons of organic carbon — about twice the amount of carbon in the atmosphere.
Analyzing the light with the European Southern Observatory's Very Large Telescope in Chile, the researchers found the amount of elements heavier than helium to be less than one - thousandth that in the sun's neighborhood, and the ratio of carbon to silicon is just what would be expected of exploded population III stars.
In a seminar, she heard about 55 Cancri e as a potentially carbon - rich planet, so high in temperature and pressure that its interior could contain a large amount of diamonIn a seminar, she heard about 55 Cancri e as a potentially carbon - rich planet, so high in temperature and pressure that its interior could contain a large amount of diamonin temperature and pressure that its interior could contain a large amount of diamond.
Then, the volume flow in the plant can be doubled, utilization of carbon from biomass will increase to nearly 100 %, and a large amount of usable waste heat will be produced by the catalyst (PtG operation).
If the Faroe Islands succeeds in developing a stable energy system that integrates large amounts of renewable energy, not only will the country secure its own economy, it also could light the way toward low - carbon energy solutions around the world.
Ocean microbes produce at least fifty percent of the oxygen in our atmosphere while removing large amounts of carbon dioxide.
Though relatively small in comparison to the open ocean, the coastal zones are where an extremely large amount of the carbon dioxide is exchanged between air and water.
And, if it were found in large enough quantities, some experts speculate that it could be used as a clean - burning substitute for fossil fuels today because it gives off high amounts of energy when burned but emits only water, not carbon.
Unilever was also a player in palm oil trader Wilmar's recent agreement to adopt a no - deforestation policy, which prohibits its suppliers from establishing plantations on lands with large amounts of carbon — like peat soils — or lands with a high conservation value (ClimateWire, Dec. 8, 2013).
«The large - scale differences in the structures and transmission characteristics of these proteins — caused by what amounts to seemingly insignificant differences in the positions of a few carbon and hydrogen atoms — are quite remarkable,» Jaroniec said.
Changes in permafrost could cause significant impacts — for example, by causing erosion that damages buildings, roads, or other infrastructure, by causing shifts in ecosystems, and by contributing large amounts of carbon to the atmosphere.
Phytoplankton are tiny organisms that are critical in offsetting climate change because they undergo a process called photosynthesis, whereby they absorb large enough amounts of heat - trapping carbon dioxide to cool Earth's warming environment while releasing much of oxygen we breathe.
Astronomers predicted that as the gas cooled after the explosion, large amounts of dust would form as atoms of oxygen, carbon, and silicon bonded together in the cold central regions of the remnant.
Helium is second in abundance, and large amounts of carbon, nitrogen, and oxygen occur as well.
The consensus is that several factors are important: atmospheric composition (the concentrations of carbon dioxide, methane); changes in the Earth's orbit around the Sun known as Milankovitch cycles (and possibly the Sun's orbit around the galaxy); the motion of tectonic plates resulting in changes in the relative location and amount of continental and oceanic crust on the Earth's surface, which could affect wind and ocean currents; variations in solar output; the orbital dynamics of the Earth - Moon system; and the impact of relatively large meteorites, and volcanism including eruptions of supervolcanoes.
Report confirms that negative emission technologies (NETs) offer only «limited realistic potential» to remove large amounts of carbon dioxide from the atmosphere and not at the scale envisaged in some climate scenarios.
«The key finding of the study is that they get a larger amount of sulfur and a smaller amount of carbon dioxide ejected than in other studies,» said Georg Feulner, a climate scientist at the Postdam Institute for Climate Impact Research in Germany.
Although Solar radiation and lightning (which has been detected by the ESA's Venus Express probe in 2007) should be producing large amounts of carbon monoxide (CO), the gas was found to be scarce, as if something was removing it (such as hydrogenogens, diverse bacteria and archaea that grow anaerobically utilizing CO as their sole carbon source and water as an electron acceptor to produce carbon dioxide and molecular hydrogen as waste products).
But the annual amount of human - caused global emissions of carbon dioxide, the main greenhouse gas driving climate change, is now about 50 percent larger than in 1992.
Consequently, bacteria in the lower intestinal tract metabolize them to form large amounts of carbon dioxide and hydrogen and to lower the pH. The amount and pattern of expelled gases reflect differences in type, location, and abundance of intestinal microorganisms possessing α - galactosidase activity in a favorable nutrient environment.
As this will be BMW's flagship luxury car, it will feature the best in driveline components and mixed material construction that will likely include large amounts of carbon fiber.
In Hot dry conditions in Indonesia during the period led to an increase in fires, including a large peat fire that burned huge amounts of stored carboIn Hot dry conditions in Indonesia during the period led to an increase in fires, including a large peat fire that burned huge amounts of stored carboin Indonesia during the period led to an increase in fires, including a large peat fire that burned huge amounts of stored carboin fires, including a large peat fire that burned huge amounts of stored carbon.
Thus, would you rather have some of your money going toward the makers of high - efficiency vehicles, many (or at least some) of which should be in the U.S., helping to create or preserve jobs in the U.S, by making these shifts, and all - the - while helping to reduce carbon dioxide emissions and protect the climate; OR would you rather continue to have much more of your money going to ExxonMobil and to overseas providers of oil, all - the - while continuing to pour larger amounts of carbon dioxide into the atmosphere?
Which is a good job, given the shortage of high - grade uranium ore, the huge unmanageable risks associated with nuclear plants and nuclear proliferation, the large amounts of embedded carbon in uranium refining and processing (and other GHG emissions from the nuclear industry), and the insanity of developing a huge strategic fuel dependence on countries such as Russia.
The Breakthrough team warns that while deployment of today's technologies is vital, if money for deployment is included in the $ 150 - billion pie, that dangerously reduces the amount of money for laboratories pursuing vital advances on photovoltaics or energy storage and for big tests of technologies that must be demonstrated at large scale — like capturing carbon dioxide from power plants.
There is wide agreement among scientists that inadequate funds are going to basic research in such fields as capturing carbon dioxide from smokestacks or the atmosphere, advancing photovoltaic cells and other solar power systems, finding ways to store large amounts of electricity from intermittent sources like wind or the sun, and making nuclear power more secure.
So even doubling the concentration of atmospheric carbon dioxide would only result in a very small theoretical rise in temperature, since the largest amount of the greenhouse effect caused by atmospheric CO2 has already occurred with the first 20 ppmv concentration.
«The larger estimate is due to the inclusion of processes missing from current models and new estimates of the amount of organic carbon stored deep in frozen soils,» co-author Benjamin Abbott, a University of Alaska Fairbanks graduate student, explained in a press release.
Freshwater wetlands are among Earth's most productive ecosystems, and the restoration of these environments — especially in temperate and subtropical latitudes — has the potential to offset greenhouse gas emissions by sequestering large amounts of carbon dioxide.
The production of cement involves a chemical reaction responsible for a surprisingly large amount of carbon dioxide in the atmosphere every year.
The significance of these restraints should be considered by the deniers when they assert that the amount of carbon dioxide dissolved in the oceans is so large that exchanges between the ocean and the atmosphere dwarf human production.
There is a large amount of forest inventory data supporting the gradual decline in carbon accumulation throughout the eastern United States, 30 as well as evidence of increasing disturbances and disturbance agents that are reducing overall net productivity in many of the forests.
This occurs because transportation in North America produces a substantial amount of black carbon (soot) and ozone (a main ingredient in smog), both of which warm climate, while power generation leads to a large amount of sulfate particles, which cool climate even as they also lead to acid rain and damage human health.
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