/ɪˈmɪʃ(ə)n/ N-VAR An ~ of something such as gas or radiation is the release of it into the atmosphere; The role of building energy efficiency in reducing GHG ~s;
/ɪˈmɪʃ(ə)n/ N-VAR An ~ of something such as gas or radiation is the release of it into the atmosphere; The role of building energy efficiency in reducing GHG ~s;