* American Wilderness: This should be capitalized because it's a proper noun referring to a specific, named concept. Think of it like "The Grand Canyon" or "Mount Everest".
* wilderness: This is a common noun, so it's not capitalized unless it's the first word of a sentence.
Here are some examples:
* Correct: "The American Wilderness is a vital part of our nation's heritage."
* Incorrect: "the american wilderness is a vital part of our nation's heritage."
* Correct: "Wilderness is a place where we can reconnect with nature."
* Incorrect: "Wilderness is a place where we can reconnect with nature."
Let me know if you have any other questions!