Dead zones: how chemical pollution is suffocating the sea | The Economist

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