Known as a greenspace aficionado, he supported the creation of parks, implemented tree-planting initiatives, as well as creating Eco-Centres (reusable materials) and Eco-Quartier program (recycling).

Bourque's successful attempt, with provincial support, at merging all of Montreal's 28 municipalities into a megacity of 1.8 million people and 27 boroughs cost him the election in 2001.

[3] Pierre Bourque still sat on the municipal council, taking his running mate Kettly Beauregard's spot.

[4] He subsequently attempted to enter provincial politics, running as an Action démocratique du Québec candidate in the 2003 Quebec election,[5] but was defeated.

[11] He co-founded a company, with former colleague Wen Qi, that was called Constellation Monde Inc. which operated in China in the agriculture field.