Political and professional arenas often invoke technology as both a cause and potential solution. In much of mainstream American culture, an enthusiasm for innovation often overshadows the messier ways that humans interact with our surroundings through the artifacts and technologies that we create. In this course, we will examine the interplay between environment and technology in America, from before the arrival of Europeans on the North American continent through present debates about our changing planet. We will consider the boundaries that different groups have drawn between natural and artificial, and how these definitions have shaped the cultural, political, and material landscape of America. How useful are these boundaries? How might rethinking them also help us rethink America's history and its possible future?