He is an advocate of cycling trail networks for commuters and recreation, protection of farmland, sustainable transportation, and advocacy for chronic Lyme disease.

While on council Cubberley chaired the Bicycle Advisory Committee and task forces on Lochside Drive, West Saanich Road Streetscape and Monster Houses.

[4] In 2002 Cubberley was elected to the Capital Regional District board, where he chaired the Environment Committee for two years.

As Deputy Chair of the Standing Committee on Health, he helped produce a report on prevention of childhood obesity and physical inactivity.

Local news dubbed Cubberley the strongest challenger for the mayor's chair Leonard faced in 15 years.