BioHiTech BioHiTech Renews Plans To Build Rensselaer Waste Processing Plant Along Hudson River By Dave Lucas • Nov 30, 2020 WAMC photo by Dave Lucas Listen Listening... / 3:17 The city of Rensselaer, which has seen its share of environmental threats, could be facing another. Environmentalists Raise New Concerns About Industrial Waste In Rensselaer By Dave Lucas • Sep 23, 2020 WAMC Composite Image by Dave Lucas Listen Listening... / 4:46 Residents in an upstate city burdened by environmental problems are getting ready to take on one more.