How Manomet Got It Backwards: Challenging the 'Debt-Then-Dividend' Axiom
However, the two-page statement continues to advance the assumption that a carbon debt is incurred before there can be a dividend. This is embodied in the statement on page one of the clarification: “While burning wood does emit more GHGs initially than fossil fuels, these emissions are removed from the atmosphere as harvested forests regrow.”The Manomet authors have that assumption so deeply ingrained into their logic that it is presented as axiomatic. In complex systems theory, one of the points of study is the concept that “selection is information.” By presenting the debt-then-dividend assumption as an axiom, the Manomet authors have limited the scope of their view of the world and thereby have removed information from the system. Their model allows no conclusion other than those that accrue from their debt-then-dividend framework.
As some critiques3 have noted, the Manomet Study has a simplistic view of forestry that has been characterized as a “stand versus landscape” argument: “Manomet’s model of greenhouse gas emissions focuses only on stands of trees that are harvested in any given year and ignores stands that are not disturbed by harvesting. As a result, the model creates the false impression that forest carbon stocks are always depleted by harvesting; that biogenic CO2 emissions from biomass energy systems are equivalent to carbon stock depletion due to biomass feedstock removals from harvested stands and that carbon stock depletion is reversed only gradually over a period of years by regrowth of the harvested stands.”4
Manomet’s reply to that critique5 includes a statement in the early paragraphs (“This initial carbon debt … ”) that embodies this paper’s thesis that Manomet’s authors have subtly postulated that there is only one view of how forests work. The foundation of the Manomet argument is that there is a debt when the CO2 is released from combustion and over a growth cycle, the debt is repaid as the trees grow and gather carbon from the atmosphere.
Taken to the logical extreme, the Manomet study’s logic is essentially beginning with a full-grown tree, then they are watching that tree get harvested and used for energy and having its stored carbon released as CO2 (the debt) and then they continue to watch the empty spot where the tree was for 30 to 50 years while a new tree grows in its place. Only after that regrowth is the carbon debt repaid (the dividend). Using this debt-then-dividend model, Figure 1 shows the pattern of net CO2 from combustion6.
Wooden Growth Chart - News
It is possible that Massachusetts cannot support any further growth in the use of wood for energy without depleting the stock of trees (and therefore creating a net loss of sequestered carbon over time). But the shortcomings of Massachusetts in terms
Last week, I asked you to e-mail me if you wanted a copy of the most important chart of the financial crisis: the one that maps the Bank of England base rate since 1694 and shows that it has never been this low before.
HOMER TRIBUNE/Randi Somers - The Alibi Club's new wood floors gleam in the afternoon sunshine. In keeping with their renovation, the club offers a new expanded menu and is bringing in a famous reggae performer to perform June 24.
You can't do that with solar power…or wood…or batteries charged up from hydroelectric power stations. You can only do it by reaching into the earth and using up some of its stored up calories. And you can only use those calories once.
Friday – Trading Announcement: John Wood Group (LON:WG.) With flooring specialist Carpetright (LON:CPR) a classic retailing victim of cash strapped consumers in the wake of the Credit Crunch, the tough times look set to continue following the profits
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