![A mallard duck swims through the sludge of green algae at Kinnego Marina on Lough Neagh. Councils bordering the Lough have put up warning signs about the potential health dangers both to humans and to animals, particularly dogs. Picture: Alan Lewis / PhotopressBelfast.co.uk <p>A mallard duck swims through the sludge of green algae at Kinnego Marina on Lough Neagh. Councils bordering the Lough have put up warning signs about the potential health dangers both to humans and to animals, particularly dogs. Picture: Alan Lewis / PhotopressBelfast.co.uk</p>](https://www.irishexaminer.com/cms_media/module_img/7608/3804181_11_dashboardbig_Lough_20Neagh_20Under_20Threat_207_20Lewis_1_.jpg)
outdoors
Anja Murray: Losing our lakes is a poor exchange for short-term economic gain
We have health warnings against lake swimming in dozens of locations across Ireland because of contamination with harmful algal blooms and the presence of toxic blue-green algae in the water — all boosted by artificially elevated levels of nitrogen and phosphorous in the water