She graduated from secondary school in 1952, and in 1963 she became a licentiate of literary history, religious history, and practical philosophy with her thesis Kärlek och kön, en studie i Colettes diktning (English: Love and gender, a study of the poetry of Colette).

In 1961 she published the article "Kvinnans villkorliga frigivning" (Woman's Conditional Release), which is considered a Swedish feminist classic.

[2] Her essay started an intense and long-lived debate on men's and women's roles in the family and the society at large.

Group 222's and Moberg's ideas of an equitable society criticized the traditional man's role; they claimed to seek not only women's but also men's emancipation.

[3] In the 1970s, Moberg also became involved in campaigns against nuclear power and later in questions of pollution and as a champion of animal rights.