Sentences with phrase «less carbon dioxide from»

What if all the plants there started to capture less and less carbon dioxide from the atmosphere?
With fewer leaves to absorb sunlight, the trees can't photosynthesise as much, and they absorb less carbon dioxide from the air.
If the food doesn't have to travel far, there's less carbon dioxide from the trucks that ship it [Related Story].
Researchers at Stanford University who closely track China's power sector, coal use, and carbon dioxide emissions have done an initial rough projection and foresee China possibly emitting somewhere between 1.9 and 2.6 billion tons less carbon dioxide from 2008 to 2010 than it would have under «business as usual» if current bearish trends for the global economy hold up.

Not exact matches

Studies indicate carbon dioxide emissions from transportation in the province have declined 16 % in that time, and while it's impossible to draw a direct causal relationship between the tax and the emissions decline, it's fair to say it was a factor contributing to indisputable behavioural changes — you can't emit 16 % less CO2 by doing the same things you did before.
Eating less meat will free up a lot of agricultural land which can revert to growing trees and other vegetation, which, in turn, will absorb more carbon dioxide from the atmosphere.
Manufacturing GHG emissions are primarily carbon dioxide, with significantly less contribution from methane and nitrous oxide.
«The goal of our work was to develop an alternative approach to making ammonia, but the insights that have come from this collaboration between our research groups can be applied to other difficult chemical processes, such as converting carbon dioxide into a less harmful and more useful product.
The simulations also suggest that the removal of excess carbon dioxide from the atmosphere by natural processes on land and in the ocean will become less efficient as the planet warms.
The simulations suggested that the indirect effects of increased CO2 on net primary productivity (how much carbon dioxide vegetation takes in during photosynthesis minus how much carbon dioxide the plants release during respiration) are large and variable, ranging from less than 10 per cent to more than 100 per cent of the size of direct effects.
In fact, it would take 3,600 projects of Sleipner's scale — which is the largest such project underway — to reduce current carbon dioxide emissions from coal by less than half, the report says.
«So, even well - managed present - day forests store much less carbon than their natural counterparts in 1750, which explains the [net] lack of carbon dioxide removal from the atmosphere.»
In Maine, cooking the same turkey in the same oven but with electricity generated primarily from renewable energy releases less than three pounds of carbon dioxide.
«However, ocean warming cancelled this benefit of elevated carbon dioxide by causing stress to the animals, making them less efficient feeders and preventing the extra energy produced by the plants from travelling through the food web to the fish.
According to DOE, as those less - efficient bulbs disappear, the savings will gradually add up — reducing carbon dioxide emissions by 594 million tons from 2012 to 2042.
The new study suggests that the impact may have released around three times as much sulfur and much less carbon dioxide compared with previous estimates from 20 years ago.
Pink salmon that begin life in freshwater with high concentrations of carbon dioxide, which causes acidification, are smaller and may be less likely to survive, according to a new study from UBC.
Some prior research has suggested that carbon dioxide emissions from all lakes on Earth are less than what was found in the Arctic, and future factors could shift the importance of sunlight, noted Lars Tranvik, a Swedish scientist, in an accompanying Science article.
These range from stabilization of atmospheric carbon dioxide at twice its pre-industrial value by the end of this century (IPCC SRES B1) to continuously increasing atmospheric carbon dioxide at the rate of a bit less than 1 % per year (IPCC SRES A2).
One sentence summary: Scientists at Pacific Northwest National Laboratory discovered that on large palladium particles, the abundance of active hydrogen atoms promotes the formation of methane from carbon dioxide, but on the smaller particles, less hydrogen is available and the reaction produces carbon monoxide.
The change in the carbon dioxide concentration from the LGM to the pre-industrial period was less than a doubling.
In a laboratory experiment, scientists from GEOMAR Helmholtz Centre for Ocean Research Kiel showed that younger animals already eat less and grow more slowly at only slightly elevated carbon dioxide concentrations.
As regional warming caused an increased number of trees to die, there would be less living trees to absorb carbon dioxide from the atmosphere.
Libby's article speaks volumes about the difficulty of moving a world that is more than 80 percent dependent on fossil fuels toward one largely free of carbon dioxide emissions from such fuels within two or three generations, even as the human population heads toward 9 billion (more or less).
But because they are released in tiny traces, they currently contribute less than 1 percent of the climate - warming effect from human - generated carbon dioxide.
Here's the most important line from Annan's Dot Earth comment, in which he notes how recent events point to less warming from a given buildup of carbon dioxide:
Avoiding emissions now will be far less expensive than capturing carbon dioxide from air in the future.
Jesse Ausubel, an energy and environment expert at Rockefeller University, said in an e-mail message that the climate negotiations from 1992 onward have mainly enshrined a natural trend, with plenty of bumps and dips, toward ever less carbon dioxide emissions from energy production.
It is like saying that if you drive at 55 miles an hour the carbon dioxide emissions from your car will be less than if you drive at 70 miles per hour.
It would also mean the damages resulting from carbon dioxide emissions would be less for every ton of CO2 emitted (~ 20 tons of CO2 annually per capita in the US).
Late in October, California Governor Jerry Brown threatened to sue the administration of President Donald Trump for implementation of environmental policies focused more on real pollutants (e.g., heavy metals) and less on contrived ones (e.g., carbon dioxide from fossil fuel combustion.
A range of companies have identified business opportunities in technologies designed to remove carbon dioxide from the atmosphere and store it somewhere more or less permanently.
Moreover, even when emissions from the generation of electricity (upstream emissions) were considered, electric vehicles produced 21 times less carbon dioxide equivalent emissions per year than their gasoline - powered alternatives.
Indeed, the FAR widened the likely range of temperature increase for a doubling of carbon dioxide in the atmosphere from the previous assessment, indicating greater uncertainty, not less, about this issue.
As increased levels of greenhouse gases such as carbon dioxide trap more solar heat radiating from the Earth's surface, less warmth reaches the stratosphere, which cools as a result.
We would have to develop new technologies that use energy more efficiently, emit less carbon per unit of energy, remove carbon from the atmosphere, and / or reduce the harm done by carbon dioxide.
Risk of Sudden Catastrophic Warming This concern stems directly from the possibility that the prospect of successful geoengineering would make emissions reductions seem less urgent, allowing more and more carbon dioxide to build up in the atmosphere over the century ahead.
A recent study from the Swedish Ministry of Sustainable Development argues that males have a disproportionately larger impact on global warming («women cause considerably fewer carbon dioxide emissions than men and thus considerably less climate change»).
The study found that while the carbon dioxide emissions of Chinese exports had either slowed their increase or decreased, the carbon dioxide emissions of exports from less developed countries had only increased.
However, the likely extent of global temperature rise from a doubling of carbon dioxide is less than 1C.
Preventing carbon dioxide levels from rising to potentially dangerous levels could cost less far less than originally projected — less 1 percent of gross world product as of 2050 — but a major shift in the way energy is found, transformed, transported and used will be necessary to prevent a severe energy crisis within the next century, say researchers from the The Earth Institute.
They range from a relatively trivial impact — less than one degree Celsius warming from a doubling of atmospheric carbon dioxide — to more than five degrees.
After less than two months in office, the new president, George W. Bush, had announced that he would abandon a campaign promise to regulate carbon dioxide from coal - burning power plants, our greatest contributors to the greenhouse effect, and then swiftly pulled out of the Kyoto Protocol, the first binding international agreement to limit greenhouse gas emissions.
And you also knew, for example, that that an average gas driven car emitted 4.7 tons of carbon dioxide per year and an electric car would cut that in half even when powered from the current polluting grid, and much much less on a life cycle basis from a future global efficient renewable energy system displacing almost all fossil fuels.
Keeling was a joke, in less than two years of «data gathering» he claimed to have shown a trend and concluded that man - made levels were rising — pretending to be measuring «pristine background levels of carbon dioxide» from the top of the world's highest active volcano, surrounded by active volcanoes on top of a great hot spot creating volcanoes in warm seas rocked by thousands of earthquakes every year.
Despite decades of persistent uncertainty over how sensitive the climate system is to increasing concentrations of carbon dioxide from the burning of fossil fuels, we now have new satellite evidence which strongly suggests that the climate system is much less sensitive than is claimed by the U.N.'s Intergovernmental Panel on Climate Change (IPCC).
This has left us with highly variable estimates of project costs, ranging from Klaus Lackner's claim that air capture could be effectuated for less than $ 100 per ton of carbon dioxide to more than $ 1000 in a 2011 study, as well as the American Physical Society's estimate of about $ 600 per ton.
These new California standards also had the effect of improving fuel economy, since the only way to significantly reduce carbon dioxide pollution from gasoline is to burn less of it.
Due to the chemistry of their magmas, the carbon dioxide they are thought to emit is currently about the same as, or perhaps a little less than, from land volcanoes — about 88 million metric tons a year.
So, from the example of Venus we can see «greenhouse effect» of carbon dioxide is less than 0.6 K / doubling.
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