Keith Haring's art and activism were influenced by the street culture of New York City in the 1980s. Drawing inspiration from graffiti and the vibrant energy of urban life, Haring began creating public art that addressed social issues like AIDS, racism, and homophobia. His background in cartoons and visual arts enabled him to communicate complex messages with simple graphics. By merging art with activism, Haring became a crucial figure in the fight for social justice and awareness during a pivotal era.