Term	Book	Chapter	Definition
Environmental Ethics	The Poetry of Nature: An Exploration of Walt Whitman's 'Leaves of Grass'	Chapter 10: The Legacy of 'Leaves of Grass'	An important theme in 'Leaves of Grass', calling readers to consider their connection to the natural world and their responsibility in the face of environmental degradation.
Environmental Ethics	The Poetry of Nature: An Exploration of Walt Whitman's 'Leaves of Grass'	Chapter 9: The Praise of Nature	The implications of Whitman's praise of nature for how humanity should interact with and care for the natural world, seeing it as a sacred trust and responsibility.