What courses in highschool do i need to take to be an environmental engineer?

I'm picking courses for next year, (im in grade 10 now) so the courses i pick now would be really important. So i think i will obviously need sciences and math... there is bio, chem, and physics, do i need all 3 or just 2 is fine ? because im also taking this "environmental high skills thing".... show more I'm picking courses for next year, (im in grade 10 now) so the courses i pick now would be really important.

So i think i will obviously need sciences and math...
there is bio, chem, and physics, do i need all 3 or just 2 is fine ? because im also taking this "environmental high skills thing".


any advice ? or what else do you think i will probably need ?
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