The use of glyphosate, the active ingredient in commonly used herbicides RoundUp and Aquamaster, is being re-evaluated by the county parks department in light of local protests against glyphosate and a recent reclassification of glyphosate as “probably carcinogenic” by the World Health Organization’s International Agency for Research on Cancer.

Marin County Parks recently announced that it plans to eliminate herbicides in regional parks and near county buildings and limit applications to road medians, 34 Open…