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zakruti.com » Knowledge, science, education » TED-Ed
Underwater farms vs. climate change - Ayana Elizabeth Johnson and Megan Davis

Underwater farms vs. climate change - Ayana Elizabeth Johnson and Megan Davis

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Rating: 4.0; Vote: 1
For billions of people, seafood provides a significant source of protein and nutrition, but over half the seafood we eat isnt caught in the wild, its grown through aquaculture. Farmed seafood is one of the fastest-growing food industries, but the farming methods echo the problems weve seen in industrial agriculture. Is there a way to sustainably farm the ocean? Ayana Elizabeth Johnson and Megan Davis investigate. Lesson by Ayana Elizabeth Johnson, Ph. D. and Megan Davis, directed by Biljana Labovic. Animation by Elsa Esteban, Marcos Gonzlez, Yuki Kijima
Date: 2020-08-22

Comments and reviews: 9


You mean global warming. Funny thing is, none of the historical data points to anything abnormal. Biggest difference during this interglacial period is us. The sea levels are at least 3 meters lower than the last interglacial period. There is no way we can get accurate comparisons to CO2 levels. Remember, CO2 levels are lower in the Arctic regions. Yet, we base the comparisons to the monitoring station in Hawaii. It sets on a volcano, that emits CO2. Do we pollute and destroy the Earth. Yes. That definitely should be our goal. Stop expanding cities. I'm directing that at the left. Urban heat islands are getting out of control. Ever leave the city? It's a lot cooler out there. If the data is correct, we will not be concerned with global warming soon anyway. I'm not biased, I don't like either side. However, it's funny how they discredit a female scientist, that has accurately forecasted the past and present solar cycles. No one else did. Still they discredit her. She predicts a mini ice age. Think about that. Maybe do some research. Note, water vapor is the most dominate greenhouse gas. Not CO2.
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I heard about a system being developed to help provide new homes for fish when coral reefs are being damaged by climate change. It's something called reef balls. After someone dies and cremated, their ashes are combined with an eco friendly cement mixture, which is then made into little monuments. Those little monuments are customized, engraved, decorated, and then placed into the ocean as an artificial reef. The systems helps to preserve not only their memories, but also life on Earth. As King Mufasa would say, And so we are all connected in the great Circle of Life.
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China has already done sth great to protect the environment! In 2019 China began to ban fishing in depleted Yangtze River for 10 years to protect aquatic life which means that every country can do sth to protect our planet like China!
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I honestly believe that anything that we turn into an industry is going to end up being problematic to the environment and us, simply because of a growing human population. In other words, just feed me plastic bags already.
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The environment is real and tangible, extremely delicate and of real concern. Concerns about the environmental impact of fish farms should be taken seriously. Climate change alarmism is however demonstrable nonsense.
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I have always wondered how overfishing could be sustained while not damaging poor fishermen's lives. I think I found it. Thank you very much Ted ed. You are always there for answers with questions hard to answer.
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You are doing a great job man, I love to see your videos. They are a great source of knowledge for me and awareness about environment and nature. Keep doing your great job hope you soon reach 10 million
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Maybe can harvest the shellfish and use it to produce the fish meal? The shell could also grind into powder and make to fertilizer
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Can you imagine being a fish and eating another fish? EDIT: at 3: 27 thats what my exs pale and unshaven balls looked like
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