Erin Brockovich is a renowned environmental activist and legal assistant who played a pivotal role in building a case against the Pacific Gas and Electric Company (PG&E) in the 1990s. Her efforts helped expose the contamination of drinking water in Hinkley, California, leading to a landmark settlement for affected residents. Brockovich's story gained widespread recognition through the 2000 film titled Erin Brockovich, starring Julia Roberts. The film highlighted her determination and tenacity in fighting for justice, making her an icon in the environmental movement and inspiring many to advocate for their communities.