1) Before the 1970s, environmental journalism existed but was not a defined genre. Writers covered topics like human impacts on nature, nature writing, urban environment/public health issues, and technology regulation over centuries.
2) In the 19th century, industrialization and its effects on workers, cities, and public health spurred social reform movements and environmental advocacy. Writers like Dickens, Browning, and Thoreau brought attention to these issues.
3) By the mid-19th century, science journalism was emerging as a way to inform the public on topics including nature, technology, and public health crises like cholera outbreaks. Publications advocated for sanitation and public health