Chapter 3.8, Problem 3.21CT

(a)

Interpretation Introduction

Interpretation:

The GWPs for methane for 20 and 100 years has to be compared and the reason for the consistency with an estimated atmospheric life time of about 12 years for methane should be given.

(b)

Interpretation Introduction

Interpretation:

The explanation for lower GWP values for 500 years than 100 years for ${\text{CH}}_{\text{4}}$ and ${\text{N}}_{\text{2}}\text{O}$ should be given.