Sentences with phrase «carbon debt if»

Not exact matches

«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.

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.»

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.

This large «carbon debt», and the related debt of energy, must be paid off if they are to cut emissions over their lifetime.

If the land is developed, or converted to agricultural use, then the carbon debt is never repaid and grows over time as the harvested land emits additional carbon from soils.

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, 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.

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.

S2) that if the smallest area and carbon debt from LUC are given priority, then oil palm would be the best feedstock for biodiesel by far.