Showing posts with label SALT POLLUTION. Show all posts
Showing posts with label SALT POLLUTION. Show all posts

Tuesday, March 1, 2022

Government guidelines insufficient to protect North American freshwater ecosystem from salt pollution

PNAS

Canoeing the jacques Cartier_Photo by Jake Dyson
Current water quality guidelines aren't protecting freshwater ecosystems from increasing salt pollution due to road de-icing salts, agriculture fertilizers, and mining operations, according to an international study that included researchers at Rensselaer Polytechnic Institute. Published today in the Proceedings of the National Academy of Sciences (PNAS), the research shows that freshwater salinization triggers a massive loss of zooplankton and an increase in algae -- even when levels are within the lowest thresholds established in Canada, the U.S., and throughout Europe. Story here.

Dogs More Effective Than Any Other Method at Finding Oil Spills under Ice with Practical Implications for Protecting Water Supplies and Oceans: New Study

WINNIPEG—Scientists in Canada have  discovered,  for the first time,  that dogs can sniff out certain types of  oil spilled under ice in  fr...