Well, actually, Fortran is for making your next climate model (see e.g. the MITgcm at <a href="http:&#x2F;&#x2F;mitgcm.org&#x2F;public&#x2F;source_code.html" rel="nofollow">http:&#x2F;&#x2F;mitgcm.org&#x2F;public&#x2F;source_code.html</a>).