Hickman writes that Marsh “is considered to be America’s first environmentalist.” Hickman wrote that when Marsh was a U. S. congressman in 1847, he gave a lecture to the Agricultural Society of Rutland County, Vermont that predicted human-induced climate change. Marsh wrote about the industrial system in a way that was extremely complex and difficult to understand in the present time. However, the following passage shows that Marsh foresaw that industrialism was going to alter the climate in an adverse way: