For context, what has he completed (not necessarily AP) in:
- English
- Science
- History and social studies
- Visual or performing arts
and what are the two unspecified courses?
Completing an AA/AS before high school graduation may not have much value for a student eventually going on to a BA/BS, except in specific cases for transfer admission (in California, the AA-T or AS-T would be the version needed) or if the student intends to work between high school and BA/BS study and the AA/AS is helpful for that (e.g. AA/AS in nursing). So those two courses would mostly be helpful based on their specific subjects, rather than the use for an AA/AS.
Regarding the AP courses, environmental science is not typically considered a high value course compared to other sciences, unless he is taking it to evaluate his interest in the subject as a potential major in college.