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, , , , , and the highlighted research from the University of �������� that shows regulations to reduce human-caused sulfur in the atmosphere have made a difference for lakes in Acadia National Park, though climate change may slow that recovery. Rachel Fowler, biology lab coordinator who served as the principal investigator of the project for her Ph.D. in the University of �������� Climate Change Institute, said, “Several studies have described ecological changes in clear- vs. brown-water lakes in response to reductions in acid deposition and browning, and our paleolimnological study provides long-term context for interpreting those changes.”