Determination of the free parameter in the RM scenarios 2020 - 2100 selected country: China weighting P: 12%
  target is not met t / capita 8.33[1] global budget in Gt: 680
input value determination via "goal seek" target value of "goal seek" target is met
  Start macro Goal Seek: Determination of the free parameter of scenarios 1 - 6 so that the budget is adhered to.
RM scenarios: RM-1 const RM-2 exp RM-3 lin RM-4 quadr RM-5 rad RM-6 abs info actual change rates
characteristics of the scenario   RRt const RRt exp RRt lin RRt quadr RRt rad RA const change rate 2019 average last two years last change rate
start change rate for the start year 2026 (RR_SY)   only a negative RR_SY possible a positive RR_SY is also possible
(= increasing emissions)		  
    RM 2 - 5
-7.67% -0.52% -0.52% -0.52% -0.52% -3.91% 2.7% 0.1% -0.5% -0.52% copy this RR_SY to RM 2 - 5
initial value[2]   -8% 10% -1% 0 0 -473  
    RRt constant a a a a RA  
free parameters are determined by Goal Seek in such a way as that the budget is adhered to. -7.67% 31.50% -0.90963% 2.03697E+66      
  -3.77787E+16   -0.00094162 -0.02842396 -510.43[3]  
             
scenario ∑ 2020 - 2100; sheet 'RM' Mill. t 225,016 225,016 225,016 225,016 225,016 225,016
budget ∑ 2020 - 2100; sheet 'base data'[4] Mill. t 225,016 225,016 225,016 225,016 225,016 225,016 Should the potential for net negative emissions (NNE) be taken into account when setting the TVs? yes
   
emissions 2100 scenario; sheet 'RM' Mill. t -236.70 -236.70 -236.70 -236.70 -236.70 -236.70  
Emin; sheet 'base data'[5] Mill. t -236.70 -236.70 -236.70 -236.70 -236.70 -236.70  
macro: finding budget
year  Emin is achieved   2083 2045 2058 2050 2065 2052
change rate 2030 / 1990   263% 415% 380% 413% 350% 335% base data supple-ment minimum values proven values
year emissions neutrailty[6] 2078 2045 2056 2049 2062 2051 NNE initial value TV RM-1
At which level of emissions in 2019 (threshold value; TV) shall the annual percentage reduction be change into a constant annual reduction? RM 2 - 5: 414.22  Mill. t 3.50% of emissions in 2019 -2% 50% TV = Potential for net negative
emissions (-NNE) + supplement		 3.50% 3.5%
RM-1: 544.41  Mill. t 4.60% 4.50% 85% 4.50% 4.5% data macro 'finding budget':
proven values Specified emissions target   0%
Download a comprehensive mathematical description of the Regensburg Model Scenario Types: Current emissions target   0%
Mathematicel Description RM 1 - 6 50% Specified maximum global budget   Gt
85% Current global budget   Gt
dashboard check sum 0 is ok; 1 not ok
macro: finding NNE
RM-1 const RM-2 exp RM-3 lin RM-4 quadr RM-5 rad RM-6 abs
budget is adhered to 0 0 0 0 0 0 0
emissions in 2100 not positive 0 0 0 0 0 0 0
no increasing emissions 0 0     0
check sum 0 0 0 0 0 0 0 data macro 'finding NNE':
E_2100 is negative but not equal to E_min 0 0 0 0 0 0   Specified emissions target   0.0%
Current emissions target   0.0%
Specified max. potential NNE   0.0%
Current potential NNE   0.0%
baseline potential NNE   0.0%
macro: finding weighting population
data macro 'finding weighting p.':
Specified emissions target   0.0%
Current emissions target   0.0%
Minimum or maximum weight P   0.0%
Current weighting population   0.0%
baseline weighting population   0.0%
global per capita   t
country per capita   t
macro: finding budget
data macro 'finding budget':
Specified year of emissions neutrality    
Current year of emissions neutraltity    
Specified maximum global budget   Gt
Current global budget   Gt
macro: finding NNE
data macro 'finding NNE':
Specified year    
Current year    
Specified max. potential NNE   0.0%
Current potential NNE   0.0%
baseline potential NNE   0.0%
macro: finding weighting population
data macro 'finding weighting p.':
Specified emissions target    
Current emissions target    
Minimum or maximum weight P   0.0%
Current weighting population   0.0%
baseline weighting population   0.0%
global per capita   t
country per capita   t
[1]
RM:
For countries with very low per capita emissions, it can be difficult to reach the minimum value for 2100.
[2]
RM:
Please enter this value in the cell for the free parameter (gray cells), if the target value search (goal seek) should lead to an error message there.
[3]
Mill. t p.a.
[4]
input value sheet "base data"
[5]
input value sheet "base data"
[6]
RM:
first year negative emissions or zero