Awarding of the Nobel prize to Thunberg would be an acknowledgement that climate action and commitment to peace go hand in hand and would be a boost to these popular movements, the promoters of her nomination argued.
"We have proposed Greta Thunberg because if we do nothing to halt climate change, it will be the cause of wars, conflict and refugees", Norwegian Socialist MP Freddy Andre Ovstegard told AFP news agency.
On Friday, thousands of students are expected to demonstrate in more than 100 countries in what activists say could be a milestone moment in a grassroots campaign to push world leaders into doing more. What started as separate acts of absolute refusal - Thunberg's 2018 one-person protest outside the Swedish parliament the most prominent - has become a global movement.
So far, there have been regular walkouts around the world, including in countries likes Germany, Belgium, the UK, France, Australia and Japan.
Whether or not your have heard of the "School Strike 4 Climate" before today, do you support your children, grandchildren or mokopuna if they choose to protest about climate change this Friday?
The Nobel Peace Prize a year ago went to Congo's Denis Mukwege and Iraq's Nadia Murad for "their efforts to end the use of sexual violence as a weapon of war and armed conflict", according to the Nobel Committee's ruling.
Would you like to see a march of parents and grandparents to demand more action on climate change?
There are 301 candidates for the Nobel Peace Prize for 2019, out of which 223 are individuals and 78 are organisations, says the Nobel committee on its website.
National politicians, worldwide officials, academics and previous winners are among those who can nominate potential recipients. The names of the Nobel Peace Prize Laureates will be announced that month.
The list of nominees is kept secret for at least 50 years, in line with the Nobel Foundation's statutes.