<p>All but one of my ECs revolve around two subjects: sustainability and my heritage. Is it bad to have nearly all of my ECs revolve around just two subjects?</p>
<p>No, that’s a good thing. Colleges want depth, not breadth</p>
<p>It’s definitely a good thing. I’d argue that being focused in a few areas helps you stand out a lot more than doing a lot of unrelated things. It also makes your application more memorable.</p>