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Conversion
factor C > CO2: |
3.67 |
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Calculation of the global budget to be distributed
here |
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input fields |
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Total global CO2 budget
2020 - 2100 |
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global CO2 budget 2020 - 2100 in Gt |
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Key findings on remaining CO2
budgets
of the IPCC Sixth Assessment Report Working Group 1: |
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see also sheet "updated
budgets" |
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650 |
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Global CO2 budget 2020 - 2100 excluding LUC and ISA |
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global CO2 emissions
excluding international shipping and aviation (ISA) and excluding land-use
change (LUC) in 2019 (source: EDGAR) |
36.5 |
Gt |
86.1% |
Info |
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LUC emissions in 2019
(source: GCP) |
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4.6 |
Gt |
10.8% |
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ISA emissions in 2019
(source: EDGAR) |
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1.3 |
Gt |
3.1% |
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≈ CO2 emissions total in 2019 incl. LUC and ISA (sources: GCP
and EDGAR) |
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42.4 |
Gt |
100% |
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≈ CO2 emissions total in 2019 (source: GCP) |
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40.9 |
Gt |
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global CO2 budget 2020 - 2100 |
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650 |
Gt |
used in the
sheet "EU EEA" |
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- LUC budget 2020 - 2100 |
enter the LUC budget 2020 - 2100 in Gt: |
0 |
0% |
0 |
Gt |
* |
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- ISA budget 2020 - 2100 |
how much should be reserved from the global
budget? |
3.0% |
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-20 |
Gt |
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= global CO2 budget 2020
- 2100 excluding LUC and ISA |
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630 |
Gt |
used in the
sheet "all countries EDGAR" |
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LUC and ISA emissions must be
subtracted when using the EDGAR database, as the emissions for all countries
in the world do not include these emissions there. |
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* For the determination of the LUC budget, see our separate
paper: |
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Global CO2 budgets 2016 - 2100 (back calculation) |
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global budget from 2020 |
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650 |
Gt |
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+ global emissions 2016
- 2019 |
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160 |
Gt |
source: GCP |
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= global budget 2016 -
2100 incl. LUC and ISA |
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810 |
Gt |
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used in the
sheet "EU EEA" |
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- LUC actual emissions
2016 - 2019 |
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-18 |
Gt |
source: GCP |
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- LUC budget 2020 - 2100 |
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0 |
Gt |
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- ISA actual emissions
2016 - 2019 |
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-5 |
Gt |
source: EDGAR |
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- ISA budget 2020 - 2100 |
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-20 |
Gt |
3.0% |
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= global budget 2016 -
2100 excl. LUC and ISA |
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768 |
Gt |
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used in the
sheet "all countries EDGAR" |
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Global Population |
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2019 |
7,712 |
Mill. |
P_BY |
source: EDGAR |
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2016 |
7,465 |
Mill. |
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Tools for determining
global paths |
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Based on a
predetermined global CO2 budget from 2020, the following web app can be used
to calculate global emission paths with the RM Scenario Types: |
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http://paths.climate-calculator.info/ |
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Furthermore,
an Excel tool is offered that provides even more input and analysis options: |
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https://doi.org/10.5281/zenodo.4568839 |
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The emission
data required in these tools are given below: |
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global CO2
emissions |
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2018 |
40.33 |
Gt |
Basis calculation start change rate in the
web app |
source: GCP |
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2019 (base
year) |
40.90 |
Gt |
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2020 |
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38.54 |
Gt |
For
use in the corresponding Excel tool |
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2021 |
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40.35 |
Gt |
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2022 |
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40.66 |
Gt |
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2023 (projection) |
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40.90 |
Gt |
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reference year emissions |
1990 |
27.71 |
Gt |
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2010 |
37.93 |
Gt |
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2015 |
40.41 |
Gt |
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see sheet "Data export" for easy copying of
data |
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Info: web
app for calculating linear global emission paths: |
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http://global-paths.climate-calculator.info |
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