Land Cover

  • PDF preview of the Green Means Clean FACTivity.
    The questions you will answer in this FACTivity are: Which land cover surface best protects water quality and why? Materials:…

    FACTivity – Green Means Clean

  • PDF Preview of Speak-o-logical FACTivity
    In this FACTivity, you will use your experience and imagination to explore whether you agree with the scientists’ conclusion that…

    FACTivity – Speak-o-logical

  • PDF Preview of Wild and Free FACTivity
    In this FACTivity, you will do a project that is similar to what the scientists did in this study by…

    FACTivity – Wild and Free!

  • PDF preview of Inquiry 2 FACTivities.
    The questions you will answer in this FACTivity are: Which land cover best protects water quality and why? Materials: 3…

    FACTivity – Protecting Water Quality

  • The cover for the Green Means Clean article. The main image is a photo of a lake with trees on the coast.
    With two-thirds of the U.S. population drinking water from surface sources such as streams, rivers, lakes, and reservoirs, it is…

    Green Means Clean! Assessing the Condition of U.S. Drinking Water Watersheds

  • The Wilderness Act of 1964 created the National Wilderness Preservation System, leading to protection of 106,498,016 acres of land in…

    Wilderness Benefits – Vol. 7 No. 1

  • The cover of
    When a society decides to set aside areas of land as wilderness, it makes a choice about the value of…

    Speak-o-logical: Defining and Measuring the Ecological Value of Wilderness

  • Illustration of children looking at a 3D map of an area with various land covers: city, roads, forest, desert, lake, etc.
    According to the scientists in this study, wildness is one of the central qualities of wilderness. To say that an…

    Wild and Free! The Quality of Wildness in Wilderness in the United States