This sounds like a great revelation, and the degree may not matter if you make a good case for a new project based on what you have already done.
I suspect that there are lots of activities, hobbies, and pursuits that you've been engaged in, worked with, or worked for that when properly framed and positioned would serve as a terrific portfolio.
I am currently a workforce development professional. I have seen "project managment" as a continuing education course. Here is a link to a professional organization for PMI. http://projectmanagementcertification.org/training.html
There are on-line resources to assist you too. You could contract your services out to non-profits using the work you have already done as a spring board.
Join my group—Create a DREAM TEAM. Go to oneminutemillionaire.com (under the TOOLS section). Take the H.O.T.S. survey and let me know what your results are. I’m a HARE. I think up ideas. Learn to create a team that helps you win. Discussions will be forthcoming. (I'll bet you are an "Owl").
Please share the results with me.