The pipeline will run more than 450 kilometres through the B.C. Interior from Prince George to Kitimat, transporting liquefied natural gas to be sold to foreign markets.
Fracking, or hydraulic fracturing, is a controversial practice that involves injecting water deep into the earth to extract shale gas. In order to break the rock and free the gas trapped inside of it, companies inject a combination of water, sand and chemicals underground at high pressure.
The $1 billion project was originally approved back in 2008 and has been plagued with opposition since.
Last November, dozens of demonstrators gathered in downtown Vancouver days after First Nations evicted company surveyors from the site.
"Fracking and liquefied natural gas is one of those extreme energy sources that has a carbon footprint about the same as coal," said Eric Doherty, who helped organize Saturday's march, where protestors donned red clown noses and colourful wigs.
"We're looking at a climate crime here."
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