The lake, which supplies 40% of Northern Ireland's drinking water has been blighted by toxic algae.
Campaigners gathered in Belfast city centre on Saturday to call for urgent action to save Lough Neagh.
Lough Neagh, the largest freshwater lake in the UK and Ireland, has been blighted by toxic blue-green algae since June.James Orr, director of Friends of the Earth in Northern Ireland, said Lough Neagh should be "our heartland".
United States Latest News, United States Headlines
Similar News:You can also read news stories similar to this one that we have collected from other news sources.
Israel Gaza war: Pro-Palestinian protesters hold Belfast rallyThe protestors marched from Belfast City Hall to the BBC's headquarters in Ormeau Avenue.
Read more »
Israel Gaza war: Pro-Palestinian protesters hold Belfast rallyThe protestors marched from Belfast City Hall to the BBC's headquarters in Ormeau Avenue.
Read more »
Residents call for action as sewage flows down Nottingham streetA spokesperson for Severn Trent said the company is 'aware of the issue'
Read more »
SPFL and SWPL to support appeal for Israel and Palestine conflictThe SPFL & SWPL will support the charity's appeal to aid those in urgent need.
Read more »