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 welf
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 welf
debt) 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
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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.