Professor Langlois, whose scholarly pursuits include microbial communities associated with coral reefs and oil-stressed ecosystems, the effects of climate change on Arctic ecosystems, and protection strategies for endangered Metasequoia redwoods in China, also has extensive experience in crafting municipal and statewide environmental policies. Her courses focus on broad policy implications, system challenges, innovative technology solutions, and sustainable business practices. Formerly Chair of the Department of Science and Technology from 2008-2014 and again in 2017-2018, Langlois helped to create new academic programs in Environmental Science and Biology, including the M.S. in Global Environmental Studies degree program, and collaborated with colleagues to envision new laboratory facilities, research programs, and faculty recruitment needs.

Langlois was integrally involved in the Bryant’s collaborative learning at a distance program (CLD) in Belarus, and has traveled extensively in China and Tibet as part of Bryant's global education initiatives. She is currently President of the International Society of Protistologists (ISOP) and will serve on the Executive Committee until 2021.