Dead zones: how chemical pollution is suffocating the sea

Video Description

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. Film supported by Back to Blue https://econ.st/3qw1yW2 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 our fortnightly newsletter on climate change: https://econ.st/3pSnqt7 Find all of our climate change coverage: https://econ.st/33gSs6g The Economist explains: How many oceans are there? https://econ.st/3qbmmRt Can conservation save the ocean? Watch our film: https://econ.st/31XDTE2 Sir David Attenborough and four other leading thinkers discuss how they would use $1bn to save the ocean: https://econ.st/3GF8qp9 Watch our film about how to stop plastic getting into the ocean: https://econ.st/3IPyK22 The known unknowns of plastic pollution: https://econ.st/3dNyEcO Covid-19 has led to a pandemic of plastic pollution: https://econ.st/3ykJhgK Watch our film about whether eco-tourism can help save the ocean: https://econ.st/3DXKxHW How overfishing is harming the ocean: https://econ.st/31Y8gdq The world is waking up to the scourge of illegal fishing: https://econ.st/3dMl0GL Where is the most over-fished sea in the world? Watch our film to find out: https://econ.st/3IFd5JL