People sat in a park testing water samples and entering results on a laptop

Citizen science in action as @thames21.bsky.social Waterblitz tests samples gathered across the River Lea catchment for pollutants. This is the busy hub in #BroomfieldPark. #CitizenScience #IsaRiverAlive #RiverLeaGuardians

A phosphate reading of above 2.50 ppm, a bad quality for water

An inspirational interview with @robgmacfarlane.bsky.social on BBC Radio4 Today. Yes our rivers & lakes are alive. It is up to us as citizen scientists & guardians to defend, speak out & heal them. This monitor reveals toxic water that our wildlife lives in. #CleanWaterNow #RiverLeaGuardians #Birds