In 1988, she became vice president of the organization Nei til EU,[2] which opposes Norwegian membership in the European Union.[relevant?
[2] Following the 1997 general election when Magne Bondevik established his first cabinet,[4] Fjellanger was appointed as Minister of the Environment.
[2] Fjellanger was also a board member of the Norwegian Consumer Council (2008–2012) and the Oslo University Hospital from 2011.
[2] Guro Fjellanger was born with spina bifida, a dysfunction of the spinal cord which inhibits normal walking.
[3] In 2007 she notably won a lawsuit against the state, who in 2004 had refused to grant her insurance coverage with Norwegian Public Service Pension Fund.
[7] In a November 2018 op-ed for Dagbladet, Fjellanger wrote that she has "not been constantly, seriously ill for the past 54 years though [she has] lived with spina bifida."