<p>As you note, his record is relatively week in math and science. Environmental Science rather than Chemistry will not help that. Some colleges will look for students to have had chemistry, physics, and biology. But if he's really not a math kid, Math SL is probably a good choice--as I understand it, it includes calculus, which is important.</p>
<p>To me, geography is not too impressive--maybe I just don't know enough about it. Isn't there a HL History course he could take?</p>