Sentences with phrase «carbon debt of»

In practical terms, that means that the amount of time it takes to payback the carbon debt of producing biofuel on that land to replace fossil fuels is even greater than we thought; and pretty much makes palm oil biodiesel produced in such conditions worse than petroleum - based diesel.
If the carbon debt of 568 tons were to be valued at $ 40 per ton, the total owed to the poor countries would amount of $ 23 trillion dollars, implying climate debt payments of about $ 600 billion per year over the next 40 years.
There is little information available about what the building is made of, and no accounting of the carbon footprint of its materials and construction, so it is hard to really determine at what point this «zero carbon» building overcomes the carbon debt of its construction, but I suspect it will be a while.

Not exact matches

Conservative finance critic Pierre Poilievre called the PBO's findings «damaging» for the government, citing the impact of larger deficits, higher debt payments and a carbon tax that he says will erase at least $ 10 billion per year from the national economy by 2022.
As a renewable source of energy, biofuels have suffered ongoing criticism for their hefty carbon debt.
Like bankers do for financial debt, climate scientists assume that the greenhouse gas expense of burning biofuels will be paid back eventually as the crops that make fuel «earn» carbon through sequestering it throughout their life cycle.
«I know when I look at a tree that half the dry weight of it is carbon,» says ecologist David Tilman of the University of Minnesota, coauthor of the other study which examined the «carbon debt» embedded in any biofuel.
«I expected an increase in both carbon emissions and species extinctions debts, but the magnitude of these debts was surprising,» Rosa says.
«We show that even if deforestation had completely halted in 2010, time lags ensured there would still be a carbon emissions debt equivalent to five to ten years of global deforestation and an extinction debt of more than 140 bird, mammal, and amphibian forest - specific species, which, if paid, would increase the number of 20th century extinctions in these groups by 120 percent,» says Isabel Rosa (@isamdr86) of the Imperial College of London.
Municipal issuers have a key role to play in terms of: • Low - carbon technologies • Pollution control • Climate adaptation, such as disaster prevention and recovery We will seek to avoid purchasing the relatively few government - issued bonds that are explicitly issued to finance the development of projects, such as nuclear power plants or casinos, which are fundamentally misaligned with our investment objectives Sovereign Debt National governments around the world issue bonds (debt) to finance a wide variety of public goods including education, infrastructure, national defense, the judiciary and social welfDebt National governments around the world issue bonds (debt) to finance a wide variety of public goods including education, infrastructure, national defense, the judiciary and social welfdebt) to finance a wide variety of public goods including education, infrastructure, national defense, the judiciary and social welfare.
This would imply that the rest of the world owes the U.S. a debt of gratitude for locking away more carbon than it emits.
(As I and others have put it, slowing emissions of carbon dioxide is somewhat like slowing credit - card spending and expecting your debt to shrink.)
This means that the carbon debt incurred by building the structure has a relatively brief period of utility, before the structure is demolished and another structure built, incurring additional carbon debt.
The Rapture wrt AGW is of course the sweet by and by of billions of dollars in «carbon debt» reparations, carbon trading profits, and «green» jobs for the true believers and those suffering victims of capitalism.
Teaching marketable skills to young people in troubled neighborhoods, easing student debt, making medications more affordable and cutting carbon emissions are just some of the ways they are improving the lives of New Yorkers.
More precisely, atmospheric CO2 rises as long as NPP [net primary production] remains below the initial carbon debt incurred each year plus the fluxes of carbon from biomass and soils to the atmosphere.»
Burning wood instead of coal therefore creates a carbon debt — an immediate increase in atmospheric CO2 compared to fossil energy — that can be repaid over time only as — and if — NPP [net primary production] rises above the flux of carbon from biomass and soils to the atmosphere on the harvested lands.»
The case to incorporate carbon risk into both equity and debt valuations now is one of short - and long - term prudent risk management.
This large «carbon debt», and the related debt of energy, must be paid off if they are to cut emissions over their lifetime.
The new research looks at the «carbon payback time» or «carbon debt» of various biofuel feedstocks including oil palm, sugar cane, and soy.
The research highlights that the 200 listed companies analysed in the study own 762 billion tonnes of carbon dioxide (CO2) through their reserves of coal, oil and gas which supports share value of $ 4trillion and services $ 1.5 trillion in outstanding corporate debt.
Learn how Vera's affordable zero - waste tiny house, the Silver Bullet, is a resilient solution to the lack of affordable non-toxic housing, provides relief from the American debt culture, reduces one's carbon footprint and provides a simpler, free and more substantive life in a world of diminishing resources.
HSBC warned that 40 - 60 % of the market capitalisation of oil and gas companies was at risk from the carbon bubble, with the top 200 fossil fuel companies alone having a current value of $ 4tn, along with $ 1.5 tn debt.
For forests in the central and eastern US, which supply much of the wood used in UK power plants, the payback time for this carbon debt ranges from 44 to 104 years, depending on forest type — and assuming the land remains forest.
These forests grow back slowly, so it takes a long time to repay the initial «carbon debt» incurred by burning wood instead of coal.
While enthusiasts say, not unreasonably, that personal rationing schemes would have an immense educational value, making people aware of their carbon debts, some people are likely to see personal carbon rationing as yet another unwarranted government imposition.
For a given power source, the emissions released during its construction put it into «carbon debt» and it takes a while of generating carbon - free energy for it to work itself to the break - even point.
Many people perceive climate change as a sort of moral and economic debt, accumulated since the beginning of the Industrial Revolution and now come due after several centuries — a helpful perspective, in a way, since it is the carbon - burning processes that began in 18th - century England that lit the fuse of everything that followed.
The «carbon debt» incurred by the construction of power plants plays a big role in your paper, partially explaining why the carbon benefits of clean power take so long to manifest.
«Clearing the natural vegetation mobilises the stocked carbon and may lead to a carbon debt, which could render the overall GHG mitigation effect of biofuels questionable for the following decades.»
At a time when we have run out of carbon budget and run up carbon debt for avoiding climate catastrophe, the oil production in this country has shot up.
We have run out of carbon budget, and are in substantial carbon debt.
It means we have not only run out of carbon budget, but we have accumulated substantial carbon debt.
A new study finds oil palm plantations store less carbon than previously believed, suggesting that palm oil produced through the conversion of tropical forests carries a substantial carbon debt.
And, that only gives us a reasonable chance to stay within the scientifically unacceptable level of 2 C. For high chance, we have run out of carbon budget, and if we are to have any hope of coming near the scientifically desirable level of 1 C, we have run out of carbon budget and run up carbon debt.
To stay within the temperature target / ceiling of ~ 1 C that leading climate scientists recommend, we have run out of carbon budget, and have accumulated significant carbon debt.
So, for a 1.5 C ceiling, especially for a relatively high chance, we have also run out of carbon budget, and piled up some carbon debt.
I show that for high chance of staying under 2 C (~ 90 % or more), we have run out of carbon budget, and for even coming close to the desired target of ~ 1 C, we have not only run out of carbon budget, but have accumulated substantial carbon debt.
We have run out of carbon budget, and are heavily in carbon debt.
Second, to get anywhere near the required temperature ceilings, we have not only run out of carbon budget, but have run up considerable carbon debt already.
If we want to avoid the Apocalypse, the message we need to get out is the following: 1) we are out of carbon budget, and into carbon debt; 2) we need to eliminate all non-essential uses of fossil energy, and make the essential uses more efficient.
And while civilian light water reactors do not require that kind of enrichment, new nuclear plants still start out with a huge carbon and energy debt to work off, which means it is years before they produce more energy than they consumed along the way (I have heard estimates exceeding 15 years when all the construction and fuel cycle energy use is accounted for).
We are out of carbon budget; EVERY expenditure of fossil fuel from now on increases our carbon debt, and reduces our chances of avoiding the climate Apocalypse.
While there is no easy answer — it depends on the type of land converted and the productivity of the crop — the study did find that in general soy had the shortest carbon debt, though still decades - long, while palm oil grown on peatland had the longest on average.
But an innovative new study by the Center for International Forestry Research (CIFOR) published in Ecology and Society has computed how long it would take popular biofuel crops to payoff the «carbon debt» of land conversion.
However, two recent papers published in Science, including the one we discussed in our post, have pointed out that when you take into account land use changes, the global warming pollution benefit of corn ethanol is negligible or not a benefit at all but a negative (researcher Joseph Fargione's team found that most biofuels «create a «biofuel carbon debt» by releasing 17 to 420 times more CO2 than the annual greenhouse gas (GHG) reductions that these biofuels would provide by displacing fossil fuels.»)
While logging does create young forests that absorb carbon, the process of harvesting large old growth and burning logging debris transfers most of the carbon to the atmosphere leaving a «carbon debt» that takes the growing young forest centuries to repay.
It can be argued that soybean is not the most efficient feedstock for biodiesel because it occupies large tracts of land, incurs considerable carbon debt (even without considering ILUC), and has a low annual rate of saved carbon from replacing fossil diesel.
At a time when we must rapidly reduce our carbon emissions to limit the worst extremes of climate change, it makes no sense to create such a «carbon debt».
Though he warned that carbon dioxide emissions must be stabilized over the next few decades, he also suggested that significant progress could be made by reducing the emissions of other greenhouse gases, particularly methane and ozone — and that we must pay our Faustian debt involving air pollution.
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