During her husband's political career, Pickering began to speak out about issues of access for people with disabilities, drawing on her personal experiences. Following her husband's death in 1988, Pickering became director of the Disability Resource Centre, and her guidebook,
Accessible New Zealand: a complete visitor guide for the traveller with restricted mobility, was published in 2000. Pickering served as a member of the national executive of the New Zealand Paraplegic and Physically Disabled Federation, a member of both the
Rehabilitation International's Social Commission and ICTA Commission, and president of the New Zealand Federation of Disability Information Centres. She was appointed to the
New Zealand Council for Recreation and Sport, and the New Zealand Building Industry Authority, and chaired the access advisory panel for the
Department of Building and Housing. Pickering was a recipient of the
New Zealand 1990 Commemoration Medal. She was appointed a
Companion of the New Zealand Order of Merit, for services to people with disabilities, in the
2005 New Year Honours. ==Later life and death==