sentences:  In June 2005, Harmer launched a tour, called I Love the Escarpment, across southern Ontario to promote Protecting Escarpment Rural Land (PERL), a conservation group she cofounded to battle a proposed quarry development on the Niagara Escarpment near her hometown of Burlington.Harmer toured communities near the escarpment, both performing and speaking about the PERL campaign.The film documents both her live performances and her activist work from the tour, and takes its name from "Escarpment Blues", a song from her 2005 album "I'm a Mountain".