"My message to all the politicians is the same: Just listen and act on the science".
On Monday Thunberg delivered a scathing rebuke to world leaders at the United Nations climate summit in New York City. "You have stolen my dreams and my childhood with your empty words", she told the assembled world leaders.
The teen has inspired millions of youths, drawn to her cause by her passion and a mature, committed rhetorical style that belies her young age.
"We've become too loud for people to handle so they try to silence us", she declared, adding that "we should also take that as a compliment".
Thunberg was upset by the response of the world leaders in the UN HQ this week.
"It should not be up to us, but somebody needs to do it". Because this is an emergency and we will not be bystanders. "We are the change, and change is coming".
Walking with his wife and children, Trudeau mingled with a boisterous crowd that brandished placards reading "Respect Mother Earth" and "Make America Greta Again" - a riff on a campaign slogan popularized by U.S. president and noted climate skeptic Donald Trump.
At a campaign stop on Thursday, Trudeau said he looked forward to marching in Montreal "to fight for the environment".
More than 80 cities across the country are capping off a week of global protests and a call for action for governments to do more to slow climate change. "I would really like to see reducing the amount of pipelines that we have and exploring different sources of energy like renewable energy and transfer job placements so we can get people that were working in the pipelines to more renewable sources of energy".
Climate strikes over the last seven days drew over 6.6 million people into the streets around the world, putting the week-long action on par with the 2003 global protest against the USA -lead invasion of Iraq.
Turnout at events a week on was smaller, but still vocal.
A number of worldwide movements are coming together for one, massive climate change protest at the end of what they call "Week for Future". How dare you sail to America on a carbon fibre yacht that you didn't build which cost £15 million, that you didn't earn, and which has a back-up diesel engine that you didn't mention.
She explained she first heard the world's climate was changing when she was eight, and couldn't understand why so little was being done about it.
"As a collective of young people from across the country, we aim to steer Canadian society off our current path of ecological and social catastrophe", says the mandate of Climate Strike Canada, one of the groups spearheading the marches. Scientists this week issued new dire warnings about the consequences of rising temperatures on the world's oceans and cold regions.
But the level of emissions being released into the atmosphere has risen to an all-time high, triggering global weather hazards from heat waves to intense hurricanes and raging wildfires. Then on Tuesday, a group of 16 children, including Thunberg, filed a landmark global complaint against five nations for violating their rights by not acting on climate change.
According to the report, the climate change demonstration disrupted city traffic, as motorists were told to avoid the large area between Berri and Peel Sts., as well as between St-Joseph Blvd. and de la Commune St.