There are a number of ways to find out what UNH faculty members are working on.
The Web sites of academic departments are a great place to start:
Check out this list of UNH's Research Centers and Institutes:
The College of Life Sciences and Agriculture (COLSA) maintains this list of current research opportunities within the college: https://colsa.unh.edu/undergraduate-research-opportunities
Read about current research news at UNH: http://www.unh.edu/research/
The reference librarians at UNH libraries are another great resource for helping you identify faculty research areas.