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NowThis Earth


6th, 7th, 8th, 9th, 10th, 11th, 12th


Science, Biology, Earth and Space Sciences

Resource Type

  • Videos, 2 minutes, 5 seconds, CC, Subtitles

Regional Focus



YouTube Video

Extreme Heat Destroys Greece's Mussel Population

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  • This video demonstrates the impact of climate change on mussels and mussel farmers in Greece. 
  • Students learn about the devastating effects of high sea temperatures on mussels in the Mediterranean Sea.
Teaching Tips


  • It has English subtitles.
  • Accompanying text emphasizes important facts in the video.

Additional Prerequisites

  • There may be an ad before the video.
  • Students should be familiar with the idea that organisms have limited temperature ranges that they can survive in.


  • Teachers could use this to describe the impact of climate change on farmers and livelihoods.
  • Teachers could use this video to explain how high temperatures affect aquatic life.
  • This video could be used in a discussion on factors that lead to climate migration.
  • Teachers could use this in a biology class to explain how climate change impacts ecosystems or when discussing homeostasis, the effects of temperature on chemical reactions, and food webs.
  • Click here and here for videos on climate change and coral reefs.
Scientist Notes
This resource underscores the influence of sea-land surface temperatures on mussel farming. A clear case of climate change impact on marine ecosystems and people's livelihoods in Greece. This is insightful for students and is recommended for teaching.
  • Next Generation Science Standards (NGSS)
    • LS2: Ecosystems: Interactions, Energy, and Dynamics
      • MS-LS2-4 Construct an argument supported by empirical evidence that changes to physical or biological components of an ecosystem affect populations.
      • HS-LS2-2 Use mathematical representations to support and revise explanations based on evidence about factors affecting biodiversity and populations in ecosystems of different scales.
  • Common Core English Language Arts Standards (CCSS.ELA)
    • Speaking & Listening (K-12)
      • CCSS.ELA-LITERACY.SL.7.2 Analyze the main ideas and supporting details presented in diverse media and formats (e.g., visually, quantitatively, orally) and explain how the ideas clarify a topic, text, or issue under study.
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