environmental science
/ɪnˌvʌɪrənˌmɛntl ˈsʌɪəns/ /ɛnˌvʌɪrənˌmɛntl ˈsʌɪəns/noun
Originally (in the context of education): science that is directly relevant to everyday life and the environments in which it is experienced. Later: the interdisciplinary scientific study of the environment and environmental problems; (also in plural) the set of sciences involved in this.
Origin
Early 20th century. From environmental + science.