Home News Impact ResearchCollections The INHS biological collections consist of millions of specimens and represent the most complete record of Illinois biota anywhere. Learn Moreabout our Research Collections Environmental Assessment Programs INHS is home to five environmental assessment programs, monitoring plants, animals, ecosystems and habitats across the state. Learn Moreabout Environmental Assessment Programs Publications & Reports INHS work appears in peer-reviewed journals, reports, and series publications. Learn Moreabout INHS publications and reports Staff Spotlight Events View all events From the Field Part of the Prairie Research Institute, home to the Illinois State Scientific Surveys Illinois Natural History SurveyIllinois State Archaeological SurveyIllinois State Geological SurveyIllinois State Water SurveyIllinois Sustainable Technology Center Contact Us Get in Touch