Monthly Archives: March 2022

I was asked to testify about the impacts of road salts on area streams for the Philadelphia City Council, who are considering alternative strategies for de-icing. Road salt has contributed to a steady increase in chloride concentrations in area streams, … Continue reading →

This month grad student Bojan Milinic and I collected urban soil cores for PNNLs 1000 Soils campaign. The researchers are trying to understand carbon cycling and soil microbiology and needed an urban site to include in their study. We collected … Continue reading →