alt Hacker NewsYes, but almost the entire cluster of the NB cases are around Caraquet NB, which is completely surrounded by softwood plantations, and this has been a case they have been fighting for years.
Additionally, Industrial scale lumber harvesting uses magnitudes more Glyphosate than a home gardener or your local HOA.
I don't doubt something specific is going on there, but it's unlikely it's Roundup, since every suburb in North America is carpet-bombed with the stuff.