In this Jan. 15, 2023, file photo, the faucet in Ana Maria Rodriguez's bathroom sink shows signs of corrosion, possibly due to nitrate pollution in Boardman, Ore. A report issued Wednesday shows ...

Increasing levels of nitrate in Ontario’s watersheds including the Grand River is a serious issue for the entire province, says Mayor Kevin Davis. But the mayor is optimistic that solutions can be ...

Barium (Ba) isotopes are a promising new tracer for riverine freshwater input to the ocean and marine biogeochemical cycling. However, many processes that affect Ba cycling at continental margins have ...