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


Science, Biology, Earth and Space Sciences

Resource Type

  • Videos, 2 minutes, 54 seconds, CC, Subtitles

Regional Focus



YouTube Video

Why We Need Trees

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  • This video is about the many ways trees benefit humans and the planet.
  • It discusses the ability of trees to filter water, stabilize the soil, prevent floods, regulate the climate, and provide food and habitat to people and animals.
Teaching Tips


  • The animations help emphasize important points. 
  • It mentions the mental and emotional benefits of trees and forests to humans.

Additional Prerequisites

  • It may help students to turn on the closed captioning.
  • There may be an ad before the video.


  • Science classes could use this video for lessons about photosynthesis, water pollution, air pollution, wildlife habitat, the water cycle, ecosystems, or natural resources.
  • Social studies classes could use this resource in lessons about Indigenous cultures, urban development, the effects of pollution on certain communities, or city planning.
  • Similar resources to consider include this video about trees and inequality, this interactive map, and this StC lesson plan.
Scientist Notes
This resource explores the benefits of trees in regulating the water cycle, filtering pollutants from water sources, groundwater and run-offs, and regulating indoor air temperature if planted in an appropriate building orientation. There is no contradiction; thus, this resource is recommended for teaching.
  • Next Generation Science Standards (NGSS)
    • ESS2: Earth's Systems
      • HS-ESS2-5 Plan and conduct an investigation of the properties of water and its effects on Earth materials and surface processes.
    • LS1: From Molecules to Organisms: Structures and Processes
      • MS-LS1-6 Construct a scientific explanation based on evidence for the role of photosynthesis in the cycling of matter and flow of energy into and out of organisms.
    • LS2: Ecosystems: Interactions, Energy, and Dynamics
      • HS-LS2-5 Develop a model to illustrate the role of photosynthesis and cellular respiration in the cycling of carbon among the biosphere, atmosphere, hydrosphere, and geosphere.
  • Common Core English Language Arts Standards (CCSS.ELA)
    • Speaking & Listening (K-12)
      • CCSS.ELA-LITERACY.SL.8.2 Analyze the purpose of information presented in diverse media and formats (e.g., visually, quantitatively, orally) and evaluate the motives (e.g., social, commercial, political) behind its presentation.
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