Sentences with phrase «stabilize atmospheric carbon»

If global greenhouse gas emissions peaked in 2010 the annual emissions reduction rate necessary to stabilize atmospheric carbon at 450 ppm, the Stern Review suggests, would be 7 percent, with emissions dropping by about 70 percent below 2005 levels by 2050.

And while the cut would stabilize atmospheric carbon dioxide levels, it holds them at about 450 parts - per - million, according to the study.

A 50 percent cut would eventually be needed to stabilize atmospheric carbon dioxide.

«The report demonstrates that stabilizing atmospheric carbon dioxide concentrations will require deep reductions in the amount of carbon dioxide emitted.

For the two upper values, the cost of air capture would be comparable to the estimated cost of stabilizing atmospheric carbon dioxide at 450 ppm or 550 ppm given by Nick Stern in 2007 and by the IPCC in its last report.

Not exact matches

«Stabilizing or reducing atmospheric carbon dioxide concentrations, therefore, requires very deep reductions in future emissions to compensate for past emissions that are still circulating in the Earth system,» the draft report says.

Stable atmospheric concentrations of greenhouse gases would lead to continued warming, but if carbon dioxide emissions could be eliminated entirely, temperatures would quickly stabilize or even decrease over time.

The letter notes that «Stable atmospheric concentrations of greenhouse gases would lead to continued warming, but if carbon dioxide emissions could be eliminated entirely, temperatures would quickly stabilize or even decrease over time.

To derive the climate projections for this assessment, we employed 20 general circulation models to consider two scenarios of global carbon emissions: one where atmospheric greenhouse gases are stabilized by the end of the century and the other where it grows on its current path (the stabilization [RCP4.5] and business - as - usual [RCP8.5] emission scenarios, respectively).

Ocean acidification could devastate coral reefs and other marine ecosystems even if atmospheric carbon dioxide stabilizes at 450 ppm, a level well below that of many climate change forecasts, report chemical oceanographers Long Cao and Ken Caldeira of the Carnegie Institution's Department of Global Ecology in the journal Geophysical Research Letters.

They also focus their planting in the tropics, because tropical forests are the most biodiverse on earth, stabilize the weather, and capture more atmospheric carbon than any other kind of forest.

«As a society, we need to better understand the potential cost and performance of CDR strategies for the same reason that we need to better understand the cost and performance of emission mitigation strategies — they may be important parts of a portfolio of options to stabilize and reduce atmospheric concentrations of carbon dioxide»

In my opinion, and in the view of most economists, those steps must be accompanied by a rising price on carbon emissions if we hope to stabilize atmospheric composition.

The most efficient means of restructuring the energy economy to stabilize atmospheric CO2 levels is a carbon tax.

A «carbon neutral» bioenergy source would be one that sequestered as much carbon in its growth cycle as it released later when burned as fuel, with the sequestering occurring concurrently with the burning, or nearly so, rather than decades hence, when the negative emissions count for less in stabilizing atmospheric CO2 levels.

It's early days, but this first real - world measurement of a slowdown in the ocean's ability to dissolve carbon could have worrying implications for those currently thinking about how to stabilize atmospheric greenhouse levels.

Here are just some of the many benefits that these systems provide all at once: green infrastructure absorbs and sequesters atmospheric carbon dioxide (C02); filters air and water pollutants; stabilizes soil to prevent or reduce erosion; provides wildlife habitat; decreases solar heat gain; lowers the public cost of stormwater management infrastructure and provides flood control; and reduces energy usage through passive heating and cooling.

In the following chart the colored lines represent emissions reduction pathways that would stabilize atmospheric concentrations of carbon dioxide equivalents at various levels.

From this chart we therefore see that if atmospheric carbon dioxide is stabilized at 550 ppm there is between a 75 % and 99 % chance that the world will experience temperatures in excess of 2 °C.

And The Economist also seems blissfully unaware that stabilizing anywhere near 450 ppm atmospheric concentration of CO2 would require immediate and sustained action to replace the world's fossil fuel system with one based on carbon - free energy — precisely the kind of aggressive action this piece seems designed to undercut.

It will take decades or longer to reduce carbon dioxide emissions to zero — the only way to stabilize its atmospheric concentration.

The lawsuit is thorough in its demands: Plaintiffs want the government to stop permitting and subsidizing carbon energy; to phase out carbon emissions as soon as possible; to seek a drawdown in atmospheric carbon to 350 parts - per - million by the close of the century; and to enact a countrywide plan that will stabilize the climate system.

The letter notes that «Stable atmospheric concentrations of greenhouse gases would lead to continued warming, but if carbon dioxide emissions could be eliminated entirely, temperatures would quickly stabilize or even decrease over time.

Stable atmospheric concentrations of greenhouse gases would lead to continued warming, but if carbon dioxide emissions could be eliminated entirely, temperatures would quickly stabilize or even decrease over time.

Speaking of unfinished business, towards the end of last month I posted a couple of comments refuting raypierre's contention that to stabilize the atmospheric concentration of carbon dioxide at 450 ppm, emissions must drop to near zero.