how to explain and describe the result of monte carlo simulation?

Question

IS it  good  or bad?, how to use this result to assessment uncertainty?

Answer 1

For climate change, average result is (mean) 2960 kg CO2e, 95% of values are smaller than 3172 kg CO2 (95% percentile), you can also calculate the confidence interval (https://www.simplypsychology.org/confidence-interval.html, e.g.).