Even if the forests eventually regrow, notes Prof. Sterman, each year
the new carbon debt from increased harvest and combustion outweighs the regrowth, just as borrowing more on a credit card each month than one is able to pay back will steadily increase what he or she owes.
«[P] rojected growth in wood harvest for bioenergy would increase atmospheric CO2 for at least a century because
new carbon debt continuously exceeds NPP.»
Not exact matches
Why spending on a Green
New Deal will reduce the public
debt, cut
carbon emissions, increase energy security and reduce fuel poverty
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.
We Have a Winner: British Columbia's
Carbon Tax Woos Sceptics, gushed one headline in the Economist in July, as did a similarly glowing feature earlier this year in the
New York Times, which suggested a B.C. - styled
carbon tax could solve America's
debt woes.
The
new research looks at the «
carbon payback time» or «
carbon debt» of various biofuel feedstocks including oil palm, sugar cane, and soy.
Interestingly, beyond this, despite considerable rhetoric about moving beyond debates about
carbon - pricing, the report recommends that in order to avoid adding to the Federal
debt, it would be necessary to impose
new taxes, including increased royalties for oil and gas extraction, a tax on imported oil, a tax on electricity sales, and a «very small
carbon price» (presumably from a modest
carbon tax or unambitious cap - and - trade system).
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 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).
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.