What causes ocean dead zones and why they're growing

In this reel

There are ocean zones so starved of oxygen that almost nothing can survive in them — and they're spreading Have you ever heard of a dead zone before? Drop a 🌊 if this surprised you

Transcript

Some ocean patches are almost oxygen-free. Fertiliser washes off farms, feeds algae blooms, and the algae chokes the oxygen out. There are over 400 of these dead zones worldwide — and many are still expanding. Follow along — there's so much more the ocean is trying to tell us.