Sentences with phrase «cumulative emissions»

* Responsibility score is based on cumulative emissions of CO2 from 1960 - 2008, the latest year official data is available.

To facilitate such comparisons, the scenarios were grouped into four categories of cumulative emissions between 1990 and 2100.

The red is cumulative emissions from existing coal plants.

Below is a chart showing how much the economic regions of the world contributed as a proportion of total cumulative emissions.

This contrasts to previous methods which have been based on cumulative emissions to date.

Over the entire study period, cumulative emission reductions total 6.4 billion metric tons.

... policy targets based on limiting cumulative emissions of carbon dioxide are likely to be more robust to scientific uncertainty than emission - rate or concentration targets.

This is not true for CO2, for which the climate is influenced by cumulative emissions.

What if cumulative emissions of carbon were not limited?

We compare the performance of a range of emissions and cumulative emission targets in estimating peak CO2 - induced warming.

This approach is complementary to the approach of estimating cumulative emissions allowed to achieve a given limit on global warming [12].

Another important insight was the idea of looking at cumulative emissions.

If fully implemented by 2050, it would result in 500,000 avoided deaths per year and reduce cumulative emissions of diesel black carbon by an estimated 7.1 million metric tonnes.

Presumably, adverse impacts and effective adaptation measures would vary among the scenarios from different families that share similar cumulative emissions but have different demographic, socio - economic and technological driving forces.

As a result, these rapidly declining pathways will have higher cumulative emissions between 2010 and 2050, higher 2020 emissions, higher peak emissions and a later year of peak emissions.

«It's not a time bomb; it's an important additional cumulative emissions source,» he told me.

While the target would still be met, larger cumulative emissions would result than if emissions had steadily declined over the same period.

But the key issue of cutting cumulative emissions has yet to be handled.

This approach is complementary to the approach of estimating cumulative emissions allowed to achieve a given limit on global warming [12].

But if cumulative emissions are high, the portion remaining in the atmosphere could be higher than this, models suggest.

Each category contains scenarios with a range of different driving forces yet similar cumulative emissions.

Thus, climate changes forced by CO2 depend primarily on cumulative emissions, making it progressively more and more difficult to avoid further substantial climate change.

Any delay in reducing CO2 emissions is likely to lead to higher cumulative emissions, and more warming.

The difference between the harmonized and unharmonized scenarios for cumulative emissions over the 2000 — 2050 period in total CO2 equivalent emissions is expected to be 1 to 2 %, except for the RCP6 scenario, which has a difference of 5 % (Meinshausen et al. 2011b).

We construct an idealised future emissions pathway (dashed; left hand axis) that declines linearly from 2020 to zero in 2055, with cumulative emissions since the start of 2015 ~ 880bn tonnes of CO2.

A global phase - down could avoid 1.1 — 1.7 billion metric tons CO2 equivalent (CO2 equivalent is a measure used to compare impacts of greenhouse gases based on their global warming potential in relation to CO2) of GHG emissions per year by 2030, with cumulative emission reductions of nearly 100 billion metric tons CO2 equivalent by 2050.

The less ambitious S2 pathway achieves lower cumulative emissions through 2040.

's (IPCC) most recent assessment report, and calculate remaining budgets using observed cumulative emissions to date.

Inclusion of short - term forcing agents within a rate - of - change target is a natural extension of this approach, and could provide a framework for including both emissions rates, or «flows», as well as cumulative emissions, or «stocks», into a set of climate targets that are better informed by current climate science than emissions rates in a given year or long - term concentrations.

As the paper states: «Due to early emissions reductions, S3 achieves lower cumulative emissions in 2050 than a pathway that linearly reduces emissions between 2020 and 2050 policy targets.»

Since the RSS satellite monthly dataset only goes back to 1979, the chart plots the annual per cent change in cumulative CO2 emissions since 1979 (starting with the calculated cumulative emissions from 1751 - 1979).

As of 1 January 2005, 177 companies had joined the covenant, which projects cumulative emissions saving of 2.45 MtCO2 (0.67 MtC) in 2012 (Government of Flanders, 2005).

To compute cumulative emissions over a period given a linear change, i.e. a constant yearly increment, it's necessary to use the sum of an arithmetic progression.

Making any significant allowance for past emissions would result in a judgment that China is doing far more than its fair share of the job of keeping cumulative emissions below a trillion tons.

But this only translates to a justifiable increase in the emissions budget if the real world is demonstrably off the CMIP5 cumulative emissions / temperature line.

China has the largest CO2 emissions today (Fig. 11A), but the global warming effect is closely proportional to cumulative emissions [190].