Blue-green algae

Minister apologises to farmers and says he'll fix Lough Neagh issues

How can Lough Neagh's blue-green algae problem be solved?

Lough Neagh: 'You can't put your children in the water'

Lake reopens for boat races after algae tests

Warning over harmful algae at national park

Call for action over 'heart-wrenching' blue-green algae

Bathing ban at north coast beach is lifted

Pink pond believed to be caused by algae bloom

Lough Neagh 'already dead', says fisherman

Renewed pond warning issued after algae outbreak

Bathing ban at north coast beach over blue-green algae

Warning over harmful algae at county parks

Blue-green algae blight continues as projects aim to tackle blooms

Estate cancels lake activities after algae found

Toxic blue-green algae above warning level in lake

Council losing control of lake after toxic sample

Blue-green algae warning at city pond

Popular lake temporarily shut after algae found

Controversial water quality measures to be reviewed

Dogs banned from lake as blue-green algae spotted

Pond warning issued after blue-green outbreak

Minister 'determined' to chart path for delayed water pollution plan

Toxic blue-green algae found in river