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January 6, 2022

Parts of the ocean are being starved of oxygen by chemical pollution from land. These so-called “dead zones” not only decimate marine life, but are contributing to climate change.

00:00 - How “dead zones” threaten the ocean
00:52 - Why was there “sea snot” in Turkey?
03:20 - What causes low oxygen in the ocean?
05:50 - How nutrients pollute the ocean
06:37 - Why farming is one of the main polluters
08:46 - The bizarre harm to marine life
10:24 - How “dead zones” contribute to climate change
12:07 - How regenerative farming can reduce pollution
16:00 - Nutrient pollution must be tackled urgently

Sign up to the fortnightly newsletter on climate change: econ.st/3pSnqt7

Find all of the climate change coverage: econ.st/33gSs6g

The Economist explains: How many oceans are there? econ.st/3qbmmRt

Can conservation save the ocean? Watch the film: econ.st/31XDTE2

Sir David Attenborough and four other leading thinkers discuss how they would use $1bn to save the ocean: econ.st/3GF8qp9

Watch the film about how to stop plastic getting into the ocean: econ.st/3IPyK22

The known unknowns of plastic pollution: econ.st/3dNyEcO

Covid-19 has led to a pandemic of plastic pollution: econ.st/3ykJhgK

Watch the film about whether eco-tourism can help save the ocean: econ.st/3DXKxHW

How overfishing is harming the ocean: econ.st/31Y8gdq

The world is waking up to the scourge of illegal fishing: econ.st/3dMl0GL

Where is the most over-fished sea in the world? Watch the film to find out: econ.st/3IFd5JL

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