"They're making a bigger contribution and learning more by doing this strike than anything they could possibly do at school", she told 3AW.
The 16-year-old Swede was nominated for the humanitarian award by three Norwegian politicians, who believe her work to engage young people and policy-makers alike on the dangers of climate change constitutes a real push for global peace.
Some high school and college students are joining youth around the world on Friday in a walkout to demand action on climate change.
Voting will take place in October, with the winners chosen through a majority vote.
On Friday, hundreds of thousands of students inspired by Thunberg are expected to walk out of class as part of the worldwide Youth Climate Strike. Adults are more than welcome to join us.
She planted the seed of the movement when Sweden was having its parliamentary elections last September.
She protested by sitting outside the Riksdag (Parliament) every day during school hours with a sign, "Skolstrejk för klimatet [School strike for climate]".
"They talk about our age, our looks and so on", she continued.
"We are striking because marginalized communities across our nation - especially communities of color, disabled communities, and low- income communities are already disproportionately impacted by climate change".
Malala Yousafzai now holds the record for youngest Nobel laureate after she won the Nobel Peace Prize in 2014 at the age of 17. "The massive movement Greta has set in motion is a very important peace contribution".
"We have proposed Greta Thunberg because if we do nothing to halt climate change it will be the cause of wars, conflict and refugees", said Norwegian Socialist MP Freddy André Øvstegård.
"There have been several people nominating me and I found out the first ones were maybe a month ago and then more people by time, but I think it is unbelievable", she said.