The Blog

Stories from the world's water

Investigations, explainers, and toolkits — all open, all free.

A 2026 snapshot of freshwater pollution worldwide — the data, the hotspots, and what's actually being done about it.

From the Mediterranean to the South Pacific, an honest look at where our oceans stand in 2026 and what the data is telling us.

The 2026 landscape of citizen-science apps, sensor kits, and platforms putting water data in everyone's hands.

Discover What's In Your Water

Test, log, and track water quality wherever you are. Free, offline-ready, citizen-science grade.