BlueCurrent

The Blog

Stories from the world's water

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

Aerial view of a forested river bend with deep teal waterFreshwater
March 12, 2026·9 min read

How Polluted Are Our Rivers and Lakes in 2026?

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

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Turquoise tropical coastline seen from aboveOceans
February 24, 2026·11 min read

Ocean Water Quality Around the World — The Full Picture

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

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Hand holding a smartphone above flowing river waterTools
January 30, 2026·8 min read

Apps and Tools That Help Monitor Water Pollution

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

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Discover What's In Your Water

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

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Water Sommelier App

Monitor water quality anywhere

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