This collection contains Linda Lear's research materials gathered for her biography Rachel Carson: Witness for Nature. It also contains published works by and about Carson.

This collection contains correspondence, publications, clippings, presentations, notes, research, and photographs documenting the life and work of Richard Goodwin. These materials document his early life and education, his work at Connecticut College, and his involvement with local and national conservation projects. Topics of note within the collection include conservation of land, preserving and creating policies around wetlands, nuclear power, and selective use of pesticides.

This collection contains case studies, clippings, conference materials, correspondence, notes, photographs, presentations, publications, reports, and research documenting the life and work of ecologist William A. Niering.