# Algae that can be used as an air source This is an example of a project that really needs to get to a proof of concept before raising funding. <!-- #case-study/possible-gem --> [Web URL for this note](http://notes.benjaminreinhardt.com/Algae+that+can+be+used+as+an+air+source) [Comment on this note](http://via.hypothes.is/http://notes.benjaminreinhardt.com/Algae+that+can+be+used+as+an+air+source)