Environment America Environment America Fellowship Program interview questions

After being contacted to interview for the position, I was directed to a web page where I would choose a date and time for my interview. However, the page said there were no interview dates available at the time. After emails and calls back and forth for the next week, I had an interview arranged for 3 weeks later. Come the date of the interview, specifically 30 minutes after I was supposed to be contacted, there was still no call. After calling directly to my interviewer multiple times with no answer, I left a voice-mail and emails to my interviewer and HR department asking if I needed to reschedule, etc etc, but never received a response back.