So the 2 °C limit does in fact very much tell
us what emission goals and budgets we must abide by.
Not exact matches
British - based research group InfluenceMap said an
emissions cut of 70 percent would have been much closer to
what is needed if shipping is to be in line with the
goals of the Paris agreement.
Prior to 2007 scientists weren't sure
what emissions reduction
goal to shoot for, but new evidence led researchers to reach consensus on 350 ppm if we wished to have a planet, in the words of NASA climatologist James Hansen, «similar to the one on which civilization developed and to which life on earth is adapted.»
Canadian officials say their small decrease in carbon
emissions is short of
what's needed to meet the country's Paris climate agreement
goals.
In Stefan's words: «Once an overall long - term
goal has been defined, it is a matter of science to determine
what emissions trajectories are compatible...» By separating the decision on «long - term»
goal from the «matter of science» to turn the crank and determine trajectories misunderstands how real
goals function in nearly every area of complex and expensive policy coordination.
What's really meant in a comment like «if one's
goal is to limit climate change, one would always be better off spending the money on immediate reduction of CO2
emissions» is «if one's
goal is limiting LONG - TERM climate change».
But deep divisions persisted over how to set a long - term global
goal for cutting
emissions and
what to expect from individual countries in charting their own paths toward achieving such a
goal later in the century.
I asked Robert Socolow of Princeton, who is one of the authors of the paper on the super-polluters and a developer of the popular «wedges» approach to defining
emissions goals,
what he would say about the idea if he were in an elevator (in a tall building) with climate negotiators from the United States and China.
The report confirms
what I have said many times, negative
emissions technologies like forests, carbon friendly agriculture, beccs etc are slow to scale up, and land areas are limited, etcetera, and so will have limited impact on the 50 year Paris
goals.
Of course, if you're serious about stabilizing atmospheric concentrations of greenhouse gases, achieving the American
goal in 2020 is just step one in
what would have to be a centurylong 12 - step (or more) program to completely decouple global energy use from processes that generate heat - trapping
emissions.
To come anywhere near achieving Mr. Obama's
goal of cutting greenhouse gas
emissions by 2050 to 80 percent below where they were in 1990 would require huge leaps in technology along with deploying
what's available now, he said.
But
what the meetings did not do is just as important: • Governments could not agree on a quantifiable
goal for long - term
emissions reductions.
Or when the so called climate «leaders» in Europe have also failed to grapple with
what their responsibility entails and currently have the position that they will NOT reduce
emissions between now and 2020 (they are already at their 2020
goal)??
What will prove to be more pressing at the Cancun climate change talks, therefore, will not be agreeing on an end
goal, but on coming to a consensus on how to move forward at all, with ensuring nations make some sort of deal on cutting
emissions from airplanes and shipping among the top priorities in the days ahead.
* Update Nov 28: additional commentary below by Yu Qingtai on issue of «measurable, reportable and verifiable» * Update Nov 29: Rough calculations on
what the
goal means for total
emissions by 2020.
Leading companies elevate their climate
goals in response to science September 25, 2015: More and more companies are setting ambitious greenhouse gas (GHG)
emissions reduction targets that align with
what the latest climate science says is necessary to limit warming to below 2 °C and avoid the most dangerous impacts of climate change.
Jim D, the Obama Administration's Climate Action Plan, of which the Clean Power Plan is one part, is not in any way indicative of
what a truly aggressive approach to reducing America's carbon
emissions should look like, if the
goal is to reduce America's GHG
emissions to the extent that the Progressive Left believes is necessary.
EnergyVision 2030 analyzes these questions by taking a comprehensive look at where efforts to expand clean energy resources can lead, how consumer adoption and market penetration rates can grow, and
what increases in clean energy efforts are needed to attain state and regional
emissions goals.
If your
goal was to reduce CO2
emissions in the US -
what specifically would you do?
And in fact when you look at the scientific literature, it's an interesting disconnect because the modelers who study
emissions and how to control those
emissions are generally much more comfortable setting
goals in terms of carbon dioxide and other greenhouse gas concentrations because that comes more or less directly out of their models and is much more proximate or more closely connected to
what humans actually do to screw up the climate in the first place, which is emit these greenhouse gases.
Mahindra's challenge is the first of
what will be multiple «Summit Challenges» that aim to accelerate greenhouse gas reductions at a rate that will ensure worldwide
emissions start trending downward no later than 2020 — a
goal that must be met to prevent dangerous temperature rise.
The broad outlines of
what is needed to meet the
goals of the Paris Agreement are well known: the world must reach net - zero
emissions soon after 2050 to keep the rise in temperature to 2C or less.
Because of this, perhaps the most important immediate
goal of climate change policy proponents is to help educate civil society and governments about the need to move urgently to make extremely rapid decreases in ghg
emissions whereever governments can and to the maximum extent possible in light of the policy implications of limiting national ghg
emissions to levels constrained by a carbon budget and in response to
what fairness requires of nations..
Catalyze immediate, urgent and drastic
emission reductions: «In line with
what science and equity require, deliver urgent short - term actions, building towards a long - term
goal that is agreed in Paris, that shift us away from dirty energy, marking the beginning of the end of fossil fuels globally, and that keep the global temperature
goal in reach.»
How much of a problem is delayed participation by developing countries in terms of raising the overall burden of global mitigation costs, and
what does this imply for appropriate near - term
emissions pricing
goals for the United States, if eventual targets for global stabilization are still to be met?
Here, I am noting
what is conspicuously absent — the global
goal to reduce global
emissions by 50 percent by 2050.
He wrote a well - reviewed book called «The Climate Fix:
What Scientists and Politicians Won't Tell You About Global Warming,» in which he presents measured skepticism of climate - change orthodoxy — for example, he believes the role of carbon
emissions from human industry is greatly exaggerated by politicized science, but he doesn't think human carbon
emissions are irrelevant, and is not implacably hostile to the
goal of reducing them.
A recent report by CDP in partnership with We Mean Business revealed that the large majority of companies already have targets in place to reduce their carbon
emissions, but that current business plans fall short of
what is needed for business to deliver on the world's new low - carbon
goals.
A recent report by CDP in partnership with We Mean Business found that although the large majority of companies have set targets to reduce
emissions, in many cases the level of ambition and time horizon fall short of
what is needed for business to deliver on the
goals of the Paris Agreement.
The European Union's current
goal of 40 %
emission cuts by 2030 is at the low end of
what climate science predicts will lead to global warming of 2 - 2.4 °C.
Chief among the early critics of the G - 8 effort was IPCC chairman Pachauri, who praised the «aspirational
goal» on temperature but criticized the G - 8 for not spelling out
what sorts of specific, deep cuts in
emissions member countries were willing to take.
«
What gets obfuscated is the
goal of uncovering the warming due to persistent greenhouse forcing [by human
emissions],» Karl says.
Of course all this also ignores whether reducing CO2
emissions is even a worthy
goal, but that is not
what the discussion has mostly been about.
Brad Plumer: In the draft version of the Clean Power Plan, each state has its own individual
goal for
emissions reductions, based on
what EPA thinks is possible given the prospects for coal - to - gas switching, renewables, efficiency.
New York State energy planning based on the Reforming the Energy Vision
goal to change the energy system of New York to reduce greenhouse gas (GHG)
emissions 80 % from 1990 levels by 2050 is trying to choose between many expensive policy options like pricing carbon in the electric sector while at the same time attempting to understand which one (or
what mix) will be the least expensive and have the fewest negative impacts on the existing system.
What started out as an ambitious, global scheme to reduce greenhouse gas
emissions — a concept known as «Contraction and Convergence,» whose
goal was to equalize per capita
emissions around the world by requiring developed nations to cut down on
She was in town this past week to speak at the 11th annual New York Fashion Conference and I stopped by Edelman's offices to speak with her about sustainable fashion, consumer trends towards reuse, eBay's carbon
emission reduction
goal, upcoming announcements in 2010, and more — click through for our discussion: TreeHugger: The Re + Purpose campaign just wrapped up, where the Green Team collaborated with green blogs to encourage consumers to find new value in existing products,
what can we expect in 2010?
Carnegie Mellon University researchers are asking companies to do
what is only absolutely reasonable in the face of a big global
goal of reducing
emissions - broaden the terms on which they calculate carbon
emissions.
When the regulations take effect in 2011 this is
what will be mandated: The
goal of all this is to reduce greenhouse gas
emissions from California's transportation fuels by 10 % by 2020 — a reduction of about 16 million tonnes.
Incorporating the price of carbon into that of goods and services is a serious economic structural reform, but when the
goal is reducing
emissions a fraction of
what will be required to prevent the worst of global warming I am decidedly underwhelmed.