Sentences with phrase «gigatons more»

According to the report, the world can emit about 300 gigatons more carbon (total, ever) before there is a 50 % confidence the world will reach warming of 2 degrees Celsius, which is the previously agreed upon «point of no return» for the climate system.

That is 36 gigatons more than the continent was losing per year in 2008.

Scientists say that to have even a two - thirds chance of staying below a global increase of two degrees Celsius, we can release 800 gigatons more CO2 into the atmosphere.

«These three tropical regions released 2.5 gigatons more carbon into the atmosphere than they did in 2011,» said Junjie Liu of NASA's Jet Propulsion Laboratory (JPL) in Pasadena, California, who is lead author of the study.

«Now we know that droughts in arid pine forests reduce carbon sequestration from the atmosphere by gigatons more than we had been estimating,» he said.

Atmospheric scientist Junjie Liu of NASA's Jet Propulsion Laboratory in Pasadena, Calif., and her colleagues report that the tropics of Asia, Africa and South America together released about 2.5 gigatons more carbon into the atmosphere in 2015 than they did in 2011, a cooler and wetter La Niña year.

In one of the five studies, Junjie Liu of the NASA Jet Propulsion Laboratory and colleagues report a major increase in carbon release occurring in the tropics; about 2.5 gigatons more carbon was released from land into the atmosphere in 2015, when El Niño occurred, than in 2011.

Not exact matches

Worldwide, carbon storage has the capability to provide more than 15 percent of the emissions reductions needed to limit the rise in atmospheric CO2 to 450 parts per million by 2050, an oft - cited target associated with a roughly 50 - percent chance of keeping global warming below 2 degrees, but that would involve 3,200 projects sequestering some 150 gigatons of CO2, says Juho Lipponen, who heads the CCS unit of the International Energy Agency in Paris.

Projected carbon dioxide (CO2) emissions from cars could remain level at three gigatons through 2050 despite many more personal vehicles on the road with only minor and affordable changes to existing engines, chassis and systems, according to a new report.

Experts want more research, more demonstrations Because CCS has never been tried at a commercial scale, it is impossible to pinpoint the exact leakage rate that would occur with 3,000 gigatons of gas, analysts say.

Previously, scientists had thought that the algae technique, known as iron fertilization, could contribute to the drawdown of up to 1 gigaton of carbon a year — more than 10 % of current yearly emissions.

And the approach has the potential to store more than 1 gigaton permanently each year — and up to 546 gigatons of carbon over time — the study says.

Since 1880, 531 gigatons have been emitted and emissions should not exceed 800 gigatons of C for a better than 50 - 50 chance at keeping global temperature rise below 2 degree C.) «We can not emit more than 1000 billion tons of carbon,» Stocker says, noting that the IPCC numbers on which such regional and global climate projections are made will be available to anyone.

Gigatons of carbon The 2005 fires added 1.6 gigatons of carbon to the atmosphere, according to a study by Simon Lewis of the University of Leeds, who put emissions from the more widespread 2010 fires at 2.2 gGigatons of carbon The 2005 fires added 1.6 gigatons of carbon to the atmosphere, according to a study by Simon Lewis of the University of Leeds, who put emissions from the more widespread 2010 fires at 2.2 ggigatons of carbon to the atmosphere, according to a study by Simon Lewis of the University of Leeds, who put emissions from the more widespread 2010 fires at 2.2 gigatonsgigatons.

But for the biggest companies, the figures are quite exact: If you burned everything in the inventories of Russia's Lukoil and America's ExxonMobil, for instance, which lead the list of oil and gas companies, each would release more than 40 gigatons of carbon dioxide into the atmosphere.

With yearly emissions at around 40 gigatons of CO2, this leaves no more than five years at current rates of emissions.

Chris Mooney has filed a nice Washington Post piece on ice sheet dynamics and several ways to visualize the most common unit of what's moving to the sea — gigatons (each a billion tons): Read more...

McKibben writes, «Scientists estimate that humans can pour roughly 565 more gigatons of carbon dioxide into the atmosphere by midcentury and still have some reasonable hope of staying below two degrees.»

This is again in carbon (not CO2) units; the 12 gigatons of carbon emitted in 2016 are a lot more than the 7 gigatons in the older Fig. 3.

If all of the currently available carbon resources — estimated to be around 10,000 gigatons — were burned, the Antarctic Ice Sheet would melt entirely and trigger a global sea - level rise of more than 50 meters, a new long - term modeling study suggests.

However, from 1992 to 2017 global annual emissions rose from about 22 to 36.8 gigatons per year — a more than 67 percent increase.

«To create more than 35 gigatons per year of volcanic CO2 would require that magma across the globe be produced in amounts exceeding 850 cubic kilometers per year, even for magma hypothetically containing 1.5 - weight - percent CO2.

Permanently frozen soils worldwide contain 1400 - 1700 Gigatons of carbon, about four times more than all the carbon emitted by human activity in modern times.

These so - called clathrates contain an estimated 1400 Gigatons of methane, a more potent though shorter - lived greenhouse gas than carbon dioxide.

contain an estimated 1400 Gigatons of methane, a more potent though shorter - lived greenhouse gas than carbon dioxide.

Project Drawdown calculated that together, these would reduce CO2 emissions by 120 gigatons by 2050 — more than onshore and offshore wind power combined.

Together, they would reduce CO2 emissions by 120 gigatons by 2050 — more than onshore and offshore wind power combined.

It found that together, they would reduce CO2 emissions by 120 gigatons by 2050 — more than onshore and offshore wind power combined.

It is not that bacteria produced hydrocarbons, but that the primordial hydrocarbon «soup» gave food to bacteria.The total mass of organic substance of these microbes is estimated to be hundreds of thousands of gigatons, much more than the organic mass of surface biota.»

Some news reports even went so far as to call an approximate 92 gigaton release by 2100 (or a little more than 1 gigaton per year) from permafrost carbon «slow.»

For continued fossil fuel burning would be enough to force a release of Arctic carbon stores equal to 35 % or more of the human annual emission, or about 3.5 to 4 gigatons of carbon each year.

Although this carbon capture is dwarfed by the world's emissions of 10 gigatons of carbon annually, Bigg suggests that as warming leads to more icebergs breaking off from glaciers, carbon traps triggered by melting glaciers could become more important.

According to scientific data culled by the group, the world can release just 565 more gigatons of carbon dioxide in the atmosphere to limit global temperature rise to 2 degrees Celsius.

This illustration, using figures from the most recent 2014 IPCC report, depicts that because only 800 gigatons of CO2 can be emitted by humanity before creating a 66 % probability that a 2 degree C warming limit will be exceeded and humans have by 2011 already emitted 530 gigatons of CO2, there are only 270 gigatons of CO2 that may be emitted after 2011 to limit warming to 2 degrees C. (For a more detailed explanation of these figures see, Pidcock 2013)

Moving the current average global efficiency rate of coal - fired power plants, which supply the heat to convert water (or CO2) to steam, from today's 33 percent to 40 percent by deploying more advanced technology could cut CO2 emissions every year by 2 gigatons, which is equivalent to India's annual CO2 emissions, according to the World Coal Association.

Both the Drawdown and Optimum Scenarios are more conservative in the growth of landfill methane due to the combination with other waste management solutions, with impacts on greenhouse gas emission reductions over 2020 - 2050 of 1.11 and 0.5 gigatons of carbon dioxide - equivalent, respectively.

Few places are more suitable for carbon finance projects than Central Kalimantan, which has 3 million hectares of peatlands that store 6.3 gigatons carbon.

In the global aggregate, 21 gigatons of carbon dioxide emissions a year, more or less, is the sustainable global limit for natural cycles to keep atmospheric carbon dioxide levels level.

It states that to stand a good chance (a probability of 66 percent or more) of limiting warming to less than 2 °C since the mid-19th century will require cumulative CO2 emissions from all anthropogenic sources to stay under 800 gigatons of carbon.

More specifically, Jones explained, Climate Interactive's analysis finds that the U.S. pledge amounts to the avoidance of 22 gigatons, or billion tons, of carbon dioxide equivalent emissions between the years 2016 and 2030.

Yearly mass loss from Greenland's ice sheet, which covers an area the size of Mexico, increased from 50 gigatons in 1995 - 2000 to more than 200 gigatons in 2004 - 2008.

The total known reserves containing a potential of about 2860 gigatons of CO2 (roughly 780 gigatons of carbon) will be more than completely absorbed by environmental sinks.

But the fracturing of the Paris consensus could render those efforts far more disparate, inconsistent, and slow than they might otherwise have been, which will mean many more gigatons of carbon in the atmosphere.

Without the agreement, China's emissions scenario would look like the upper (red) curve, and China would emit a further 790 gigatons in the latter period, which would be more than enough to bring the world over the trillion - ton limit regardless of what anybody else did.

Given Henry's gas law (50:1 ratio of ocean / air CO2 concentrations), when atmospheric CO2 levels were 2,000 ppm, there were roughly 192,500 gigatons of CO2 dissolved in the oceans or 154,000 GTs more than now and the oceans were still alkaline (around 7.6 pH) and teaming with life.

Since 1750, man has emitted roughly 1,500 gigatons of carbon, which is more than 100 times less than the 154,000 GT dissolved in ancient oceans, and they were still alkaline...

As the former NASA scientist Jim Hansen recently told Rolling Stone: «We are at the point now where if you want to stabilize the Earth's energy balance, which is nominally what you would need to do to stabilize climate, you would need to reduce emissions several percent a year, and you would need to suck 100 gigatons of CO2 out of the atmosphere, which is more than you could get from reforestation and improved agricultural practices.»

Tropical forests alone hold more than 210 gigatons of carbon, seven times the amount emitted each year by human activities.

Climate science estimates that to have a 66 % chance of warming less than 2 °C, we must emit less than 1000 more gigatons of CO2 after 2011.

For example, in the Arctic, where about 500 gigatons of carbon is stored in permafrost, large grazing mammals like caribou and muskoxen can help maintain the grasslands that have a high albedo and thus reflect more solar energy.