Sentences with phrase «year carbon debt»

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.

The researchers found that no - till management in combination corn - soybean fields and corn - only fields created a carbon debt lasting 29 and 40 years, respectively.

«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.

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.»

«Growth in wood supply causes steady growth in atmospheric CO2 because more CO2 is added to the atmosphere every year in initial carbon debt than is paid back by regrowth, worsening global warming and climate change.

The qualitative result that growth in bioenergy raises atmospheric CO2 does not depend on the parameters: as long as bioenergy generates an initial carbon debt, increasing harvests mean more is «borrowed» every year than is paid back.

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.

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.

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.

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.

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).