Sentences with phrase «worst case emission»

Worst case emission scenarios, extra methane release, the works.
But if they're growing (as a GW feedback) at a substantially high rate, say 7 % / yr, then we'd be looking at triple David Archer's worst case emission scenario to year 2100.
It was one of the model predictions, based on a worst case emissions scenario which did not come to pass.

Not exact matches

Our current emissions trajectory is close to the worst - case scenario of the Intergovernmental Panel on Climate Change (IPCC).
Under the worst - case scenario (RCP 8.5), which assumes that greenhouse gas emissions continue to rise throughout the 21st century, the authors show the potential for extremely large net increases in temperature - related mortality in the warmer regions of the world.
Coffel and Radley Horton of Columbia University projected the number of hot summer days under a worst - case greenhouse gas emission scenario for
Sub-Saharan Africa, who in the worst - case over the next 40 years would be 4 percent of greenhouse gas emissions, you can give them a pass and say, «Hey, any way that you guys can get energy, if it's natural gas, coal, gasoline, you know, whatever you want.
Le Quéré and her colleagues show how today's emissions are near - perfectly in line with the worst - case scenario.
Within the last few days I've read in news services of Dr. Mike Raupach «s and Dr. Pep Canadell's report for the Aussie CSIRO Global Carbon Project that emissions have intensified and carbon - loading of the atmosphere has increased near or beyond IPCC worst - case scenarios.
The model, however, assumes the worst - case scenario of greenhouse gas emissions, offering hope that if emissions are curbed, the impact would be reduced.
«Up to 8.5 feet of global sea level rise is possible by 2100» in a worst - case emissions scenario.
The worst - case emissions scenario, the track that we are currently on, estimates a rise in temperature of 4.7 ° to 8.6 °F by 2100.
But if carbon emissions continue to track on something resembling a worst - case scenario, the full 11 feet of ice locked in West Antarctica might be freed up, their study showed.
This is why it's good that Paul Krugman, among others, has pointed to the work of Martin Weitzman at Harvard, who's been making the point for awhile that the economic logic of action on emissions comes as much from what is not known about the worst - case risks as what is already established.
The rapid acceleration in CO2 emissions depicted is seen as worst case, and highly unlikely.
Key Message 1: Climatic Trends Recent observations confirm that, given high rates of observed emissions, the worst - case IPCC scenario trajectories (or even worse) are being realised.
In reality, CO2 emissions have been accelerating in recent years, exceeding the worst - case scenarios of the IPCC, and CO2 concentrations are increasing.
# 22: I ask myself, if global CO2 emissions and atmospheric CO2 levels have exceeded the worst case scenario predicted by the IPCC # 4, for 2008, were is there any integrity in the statement,» We reconfirm the significance of the IPCC # 4 ″?
-- The main issue is that our actual GHG emissions have pretty much exceeded or are in the «worse - case» scenarios projected in the past.
This is presented as a worst - case scenario — what might be expected to happen if a) nothing is done to curb GHG emissions and b) the climate sensitivity is in the higher range Peter Cox and other leading scientists now believe possible.
We're going to burn more coal over the next 30 years than in all of human history, CO2 emissions are rising at worst case expectations, and we're looking at 6 degrees Farenheit temperature rise over that time.
Your elaboration of our future confused me - if worst case methane bursts are roughly equivalent to CO2 emissions, and therefore somewhat manageable, this represents an outlier opinion.
Pessimist: «The worst case scenario for methane is the same as our CO2 emissions, except that once the emissions really get started it will be impossible to stop them.
, the actual worst case of human CO2 emission growth due to the pipeline is miniscule.
The draft's authors suggest that under the worst - case emissions scenario the modelers considered, global sea levels could rise by up to 1 meter by the end of the century, about two centimeters higher than the top of the range offered in 2007.
Ok, between your rough calculation and tonto52's / max's discussion about ocean sink uptake, the range of estimated temp increase could be 2.2 deg C (worse case) and 1.0 deg C (best case) if a stringent 50 % emission reduction plan were successfully implemented.
Some 98 percent of working climate scientists agree that the atmosphere is already warming in response to human greenhouse - gas emissions, and the most recent research suggests that we are on a path toward what were once considered «worst case» scenarios.
In contrast, the U.S. emits some 6.5 gigatons of CO2 emissions each year - indeed, a worst case of an extra 21 million tons is the proverbial krill speck in the ocean, so to speak.
I will argue that all the actions taken together until now to reduce our emissions of carbon dioxide will not achieve a serious reduction, and in some cases, they will actually make matters worse.
Australia's CSIRO's atmospheric research unit has found the world is warming faster than predicted by the United Nations» top climate change body, with harmful emissions exceeding worst - case estimates.
For example, the acceleration in fossil fuel CO2 emissions is tracking the worst case scenarios used by the IPCC AR4 (Copenhagen Diagnosis 2009).
So, once we clear away the underbrush, we can see that the case for a carbon tax or a cap - and - trade emissions rationing system is really that it would be a hedge against the risk that actual damages from warming would be much, much worse than current risk - adjusted projections indicate.
For instance, it found that for the year 2040 on the worst - case emissions pathway, the global average sea - level rise would be 0.2 meters (0.65 feet), but «more than 90 percent of coastal areas will experience sea level rise exceeding the global estimate.»
The worst - case emissions pathway, RCP8.5, is a scenario that burns a huge amount of fossil fuels, especially coal.
And the greenhouse gas emissions from coal have contributed significantly to climate change, a risk that is unfathomably worse than the worst case dangers of nuclear power.
The value of the emission models would be in establishing the «barely feasible» worst case scenario and the conditions under which this scenario might be created, and in rejecting more extreme scenarios.
If emissions continue for the rest of the century at the same rate as over the last decade we would end up with about 578ppm by 2100, even before we allow for increases in population and GDP, so that best case scenario is slightly worse than your worst case scenario.
Only substantial emission prices have the potential to address the worst case scenarios, because only when the market is enabled to value carbon sequestration will that activity grow to the needed scale.
Note: what it's saying is that the «worst case» EMISSIONS may be greater than predicted.
If the entire grid were coal, you could double that (7,800 pounds), so even in that worst - case scenario, you'd still have far LOWER CO2 emissions from a plug - in Prius than from the average new car on the road running on gasoline.
«One expert group ran a worst - case computer simulation of what would happen if the U.S. does not curb emissions, but other nations do meet their targets.
RCP8.5 represents the worst - case emissions scenario and assumes high, unregulated economic growth and increased burning of fossil fuels.
In the worst case considered — which Wehner notes is not the worst case possible since current emissions levels are already higher — hot temperatures that recently were 20 - year events will become annual occurrences.
«Based on the science going into them, the [next] IPCC reports will have a real impact in offering diplomats a reckoning — and they don't handle reckonings well — with the observation that [greenhouse gas] emissions are all following the worst of the worst - case scenarios for the future.»
Mongabay: Global carbon emissions last year exceeded worst - case scenario predictions from just four years before, according to the US Department of Energy (DOE).
Posted in Advocacy, Development and Climate Change, Disaster and Emergency, Environment, Glaciers, Governance, Green House Gas Emissions, Information and Communication, International Agencies, Lessons, News, Pollution, Population, UNFCCC, Urbanization Comments Off on Last year's greenhouse gas emissions topple worst - case scenario Tags: Climate change, Developing country, Energy, Environment, Greenhouse gas, Impacts and Indicators, IPCC Fourth Assessment Report, Sustainable deEmissions, Information and Communication, International Agencies, Lessons, News, Pollution, Population, UNFCCC, Urbanization Comments Off on Last year's greenhouse gas emissions topple worst - case scenario Tags: Climate change, Developing country, Energy, Environment, Greenhouse gas, Impacts and Indicators, IPCC Fourth Assessment Report, Sustainable deemissions topple worst - case scenario Tags: Climate change, Developing country, Energy, Environment, Greenhouse gas, Impacts and Indicators, IPCC Fourth Assessment Report, Sustainable development
At the moment, our emissions are tracking along some of the worst case scenarios (Figure 3), and if this continues, we will blow well past a doubling of atmospheric CO2.
Romm's argument is that in recent years annual emissions have been higher than assumed in the IPCC's worst case (A1FI) scenario, and that we are on track to get to 1,000 ppm in 2100.
After inspection of the actual greenhouse gas emissions data over the last decade or so, Garnaut says that the reality is worse than the worst - case scenario.
Findings: The future emission and temperature trends are calculated according to a baseline scenario by the IPCC, which is the worst - case scenario RCP8.5.
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