Sentences with phrase «current emission projections»

Thus, if the amount of carbon dioxide in the atmosphere doubles (which is supposed to happen in 2080, according to current emission projections), the global temperature will rise only 1.8 degrees Celsius.

Not exact matches

The findings «don't necessarily suggest future emissions will generally be higher or lower than current projections, but they suggest that this will depend more sensitively on how exactly economies grow (or shrink),» he said.

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).

This isn't news to top climate scientists around the world (see Hadley Center: «Catastrophic» 5 — 7 °C warming by 2100 on current emissions path) or even to top climate scientists in this country (see US Geological Survey stunner: Sea - level rise in 2100 will likely «substantially exceed» IPCC projections, SW faces «permanent drying») and certainly not to people who follow the scientific literature, like Climate Progress readers (see Study: Water - vapor feedback is «strong and positive,» so we face «warming of several degrees Celsius»).

Researchers at Stanford University who closely track China's power sector, coal use, and carbon dioxide emissions have done an initial rough projection and foresee China possibly emitting somewhere between 1.9 and 2.6 billion tons less carbon dioxide from 2008 to 2010 than it would have under «business as usual» if current bearish trends for the global economy hold up.

page 30: «Current carbon dioxide emissions are, in fact, above the highest emissions scenario developed by the Intergovernmental Panel on Climate Change (IPCC), implying that if we stay the current course, we're heading for even larger warming than the highest projections from the IPCC.Current carbon dioxide emissions are, in fact, above the highest emissions scenario developed by the Intergovernmental Panel on Climate Change (IPCC), implying that if we stay the current course, we're heading for even larger warming than the highest projections from the IPCC.current course, we're heading for even larger warming than the highest projections from the IPCC.»

When emissions continue unabated (RCP8.5 scenario), the IPCC expects 12 % to 54 % decline by 2100 (see also the current probabilistic projections of Schleussner et al. 2014).

Current attempts by national governments worldwide to control industrial CO2 emissions following the recommendations of the IPCC could be viewed within the scientific paradigm as the projection of a large scale experiment on the earth's climate system to validate the hypothesis that anthropogenic CO2 emissions through the burning of fossil fuels and land use changes (inter alia) are a major factor driving climate change.

April 21: «碳在中国的未来 (The Future of Carbon in China)» by John Romankiewicz, New Energy Finance, providing an overview on the demand projection for offsets from Chinese emissions reduction projects and look at the current outlook for CDM and disucssing the potential of domestic markets for credits (carbon and otherwise) based on China's NAMA action.

• global emissions from fossil fuels are reduce by 50 % in 50 years • Due in part to lower cost energy, the world will be much richer than current projections suggest; as a result, population growth rate slows to the low end of projections.

«Current projections show that Canada is halfway to meeting» its 2020 greenhouse gas emissions target.

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.

The latter are taken from projections of what future emissions will be under «business as usual» or under current policies.

These studies compare a particular climate policy scenario with a reference scenario corresponding to the model projection of business as usual (BAU)-- that is, a world in which the economy continues on its current course with carbon emissions unchecked.

The steepness of these curves superimposed on actual national ghg emissions levels is an indication of the enormity of the challenge for the international community because the emissions reduction curves are much steeper than reductions that can be expected under projections of what current national commitments are likely to achieve if fully implemented.

Alongside this budget is a projection of the current year's global emissions, before the full year's data is available.

Yet, according to ICAO's 2013 projections, shown in the graph below, emissions from the aviation industry are set to grow 200 % -360 % on current levels by 2050, including the maximum use of lower - carbon alternative fuels.

It is folly to demand solutions of CO2 emissions based on projections of current technology.

But a growing body of scientific evidence suggests that the projections of climate change that have been made by the current family of computerized climate models has been overdone — that the world will warm up significantly less than has been predicted as a result of our ongoing carbon dioxide emissions.

According to a recent report from Climate Central, Texas has just over 100 cities and towns that are threatened by sea level rise inundation as correlated with current projections relating to greenhouse gas emissions.

This is the kind of high - confidence AGW projection I would recommend to support current, but more rationally decided, government policy decisions regarding GHG emissions.

If current trends in CO2 emissions continue, model projections suggest that by mid-century CO2 concentrations will be more than double pre-industrial levels and the oceans will be more acidic than they have been for tens of millions of years.

«Scientists were quick to declare the results of the Turner et al paper, which covered 1 per cent of the Antarctic continent, did not negate a long - term warming because of man - made climate change... «Climate model projections forced with medium emission scenarios indicate the emergence of a large anthropogenic regional warming signal, comparable in magnitude to the late - 20th - century peninsula warming, during the latter part of the current century,» the Turner research concluded.»

On April 3, the researchers Roger Pielke, Tom Wigley and Christopher Green published a study examining the IPCC projections that guide current thinking on the extent to which emissions need to be reduced.

These projections assume that greenhouse gas emissions continue on current trajectories and local threats are not addressed.

Because predictions of a cooling planet made during the 1970s — a number of researchers then believed that increases in the emission of aerosols, such as dust and smog, could put the planet on a path of sustained cooling — turned out to be wrong, climate deniers argue that the current projections could prove to be just as fallacious.

For example, reducing overall national emissions could make the climate impact of an additional child up to 17 times lower than current projections, the study found.

Our estimates of key climate model uncertainties are constrained by observations of the climate system for the period 1906 - 1995, 7 and uncertainty in emissions reflect errors in measurement of current emissions and expert judgment about variables that influence key economic projections.

I'd note that Hadley sees a median warming of 5.5 °C on our current emissions path, but presumably that's because they model warming beyond A1F1 (see also M.I.T. joins climate realists, doubles its projection of global warming by 2100 to ~ 5.5 °C from preindustrial levels).

The best recent models show staggeringly high Arctic warming this century if we stay on our current emissions path (see M.I.T. doubles its 2095 warming projection to 10 °F — with 866 ppm and Arctic warming of 20 °F).

Current projections of future resource use and greenhouse gas emissions used in the Intergovernmental Panel on Climate Change (IPCC) reports and Integrated Assessment Models (discussed further in the third Section) also depend heavily on a continuation of high levels of global economic inequality and poverty far into the future.