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<br /><br />00:00 - How “dead zones” threaten the ocean<br />00:52 - Why was there “sea snot” in Turkey?<br />03:20 - What causes low oxygen in the ocean?<br />05:50 - How nutrients pollute the ocean<br />06:37 - Why farming is one of the main polluters <br />08:46 - The bizarre harm to marine life<br />10:24 - How “dead zones” contribute to climate change<br />12:07 - How regenerative farming can reduce pollution <br />16:00 - Nutrient pollution must be tackled urgently<br /><br />Sign up to our fortnightly newsletter on climate change: https://econ.st/3pSnqt7 <br /><br />Find all of our climate change coverage: https://econ.st/33gSs6g <br /><br />The Economist explains: How many oceans are there? https://econ.st/3qbmmRt <br /><br />Can conservation save the ocean? Watch our film: https://econ.st/31XDTE2 <br /><br />Sir David Attenborough and four other leading thinkers discuss how they would use $1bn to save the ocean: https://econ.st/3GF8qp9 <br /><br />Watch our film about how to stop plastic getting into the ocean: https://econ.st/3IPyK22 <br /><br />The known unknowns of plastic pollution: https://econ.st/3dNyEcO <br /><br />Covid-19 has led to a pandemic of plastic pollution: https://econ.st/3ykJhgK <br /><br />Watch our film about whether eco-tourism can help save the ocean: https://econ.st/3DXKxHW <br /><br />How overfishing is harming the ocean: https://econ.st/31Y8gdq <br /><br />The world is waking up to the scourge of illegal fishing: https://econ.st/3dMl0GL <br /><br />Where is the most over-fished sea in the world? Watch our film to find out: https://econ.st/3IFd5JL
