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No Littering O-Zone: How Rising Ozone Levels Affect Tree Growth

This article is from Issue Investi-gator (Northern Research Station) - Vol. 1 No. 1.

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In recent years, humans have been burning more and more fossil fuels. Fossil fuels are oil, natural gas, and coal. One of the extra products created by burning fossil fuels is ozone. Since the level of ozone is rising, the scientists wanted to know how this affects how trees grow. Tree growth starts in leaves. Therefore, scientists started by looking at the leaves. They looked at how many leaves were produced and the amount of nutrients in the leaves.

Welcome to the Northern States edition of Investi-gator!

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"Science Topics" covered in this article:
  • Earth Science
  • Life Science
  • People and Science

"Environmental Topics" covered in this article:
  • Atmosphere (Educators)
  • Atmosphere (Students)

Regions covered in this article:
  • Northern

Specific "Thinking About Science" Themes:
  • Characteristics of Scientists
  • Scientific Topics

Specific "Thinking About the Environment" Themes:
  • Atmosphere

Forest Service Stations covered in this article:
  • Northern Research Station

NSE Standards covered in this article:
  • Abilities necessary to do scientific inquiry (A)
  • Understandings about scientific inquiry (A)