"Lough Neagh’s recurrent algal blooms, which choke aquatic life, are caused by an overload of phosphorus and nitrogen entering the lough system."
We have known about the relationship between #nutrient_runoff, #eutrophication and #algaebloom of all types since at least 1970 (well, at least those of of us who were old enough to follow the news, and actually paid attention to the environmental news.) Why hasn't there been more action to correct these problems?