Coalition on the Niagara Escarpment is a coalition of 30 environmental organizations and hundreds of individual citizens. It was formed in 1978 and has worked consistently for the protection of the Escarpment and its many values to Ontario society (from CONE website). CONE has concerns about the expansion of Dufferin Aggregates' Halton Quarry.

The Coalition of Concerned Citizens is committed to ensuring good land use planning in Caledon - particularly associated with defeating the Rockfort quarry application.

Citizens Opposed to Paving the Escarpment is a group of people who have come together to fight the development and destruction of the Niagara Escarpment (from their web page). They are particularly apposed to the Provincial Government's proposed Mid-Peninsula Highway.

Conserve Our Rural Environment. Mono Mulmur Citizen's Coalition opposing "a 200 acre gravel pit in the Christmas tree farm across from the Little Tract Forest Preserve on Airport Road."

Friends of Rural Communities and the Environment (FORCE) is a citizen-based advocacy group that has formed to protect our local communities and environment and to oppose the proposed Lowndes aggregate operation on 11th Concession East.

As one of the founding members of PERL, Juno Award winning musician, Sarah Harmer has a long history of environmental activism. Sarah's web site has some interesting information on the issues PERL faces and a link to purchase her new single "Escarpment Blues". Proceeds from the sale of the new single will help protect our natural environment!