As awareness of environmental issues grew in the late 20th century, various organizations and movements emerged to advocate for sustainable practices. One of the most significant pieces of legislation aimed at addressing environmental concerns was the creation of the Environmental Protection Agency (EPA) in 1970. This agency sought to enforce regulations aimed at protecting air and water quality, among other initiatives. In the years that followed, public concern over issues such as pollution, climate change, and resource depletion gained momentum. Which of the following movements or events in the 1980s played a pivotal role in furthering environmental awareness in the United States?