Aber uni friends hope seaweed company will tackle sea pollution

NRW issues warning after further decline in Dŵr Cymru’s performance

Sowing the seeds of change in our oceans

'No swimming' warning lifted from two Ceredigion beaches

Public warned not to swim at Blue Flag beach due to pollution

Sowing the seeds of change in our oceans

Farmers fined after 70,000 gallons of slurry poured into stream

"Ominous" brown water spotted off Borth coast 'likely land run-off'

Concerns raised over planned £20m wastewater works

Surfers to stage paddle-out protest in Aberystwyth

The health impact from mid Wales' metal mining legacy

Welsh Water must be held accountable, Senedd hears

Water plant plans would solve Teifi phosphate problem

Public consultation to address river pollution from Dylife Lead Mine

Two day hackathon seeks solutions to "highly polluted" Afon Teifi

Art exhibition and book of poetry focus on River Teifi pollution