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  • Drawing of mice eating spotted knapweed.
    In the Western United States, spotted knapweed is one of the most widely found nonnative plants. Spotted knapweed was brought to the United…
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    Goll-ly! Don’t Take a Knapweed! The Impact of Nonnative Plants and Animals on Deer Mice

  • Cover of Goll-ly Don't Take a Knapweed! in Spanish
    In the Western United States, spotted knapweed is one of the most widely found nonnative plants. Spotted knapweed was brought to the United…
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    Goll-ly! Don’t Take a Knapweed! The Impact of Nonnative Plants and Animals on Deer Mice (Spanish)

  • illustration of four kids sheltered under a tree from the rain
    In the past, scientists had estimated how much rainfall is intercepted by trees growing in rural areas. The scientists in this study…
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    Good to the Last Drip: How Trees Help to Reduce Pollution

  • Good to the Last Drip cover in Spanish
    In the past, scientists had estimated how much rainfall is intercepted by trees growing in rural areas. The scientists in this study…
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    Good to the Last Drip: How Trees Help to Reduce Pollution (Spanish)

  • PDF preview of World's Forests Edition 3, Inquiry 2 article.
    Learn about the many benefits that different types of forests provide, including protecting biodiversity, improving water and soil quality, preventing…
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    Inquiry 2: What Benefits Do the World’s Forests Provide?

  • The first page of the lesson plan titled "How much carbon is held by the world's forests?". The page has an illustration showing the process of carbon dioxide in the atmosphere.
    In recent years, the amount of carbon dioxide in the atmosphere has been rising. Scientists believe that higher levels of carbon…
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    Inquiry 3: How Much Carbon is Held by the World’s Forests?

  • PDF Preview of Inquiry 4 from World's Forests 2
    In recent years, the amount of carbon dioxide in the atmosphere has been rising. Scientists believe that higher levels of…
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    Inquiry 4: What Do the World’s Forests Have To Do With Climate Change?

  • The cover of "It's a Gas: The Exchange of Gases Between the Soil and the Atmosphere" featuring a black and white drawing of a person looking at a cow through a magnifying glass.
    Tropical forests are sometimes cut down so that humans can use the trees for wood and other products. Then, the cleared land is made into…
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    It’s a Gas! The Exchange of Gases Between the Soil and the Atmosphere

  • The cover of "It's a Gas: The Exchange of Gases Between the Soil and the Atmosphere" featuring a black and white drawing of a person looking at a cow through a magnifying glass.
    Tropical forests are sometimes cut down so that humans can use the trees for wood and other products. Then, the cleared land is made into…
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    It’s a Gas! The Exchange of Gases Between the Soil and the Atmosphere (Spanish)

  • PDF preview of "Knock on Wood" article
    The scientists in this study were interested in looking at how prescribed fire affects longleaf pine forests and their ability…
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    Knock on Wood: Understanding the Relationship Between the Red-Cockaded Woodpecker, Longleaf Pine, Fire, and Carbon

  • A black and white drawing of three piles of leaves; each holding a sign. One says "Grade A", one says "Choice", and one says "Economy".
    In this study, the scientists studied trees growing on Puerto Rico, an island in the Caribbean Sea. The scientists wanted…
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    Leaf Me Alone! The Movement of Nutrients Between Trees and the Soil

  • Graphic from Leaf Me ALone! article featuring worms holding up picket signs
    In this study, the scientists studied trees growing on Puerto Rico, an island in the Caribbean Sea. The scientists wanted…
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    Leaf Me Alone! The Movement of Nutrients Between Trees and the Soil (Spanish)