The International Children's Peace by KidsRights, a Dutch children's rights organisation, has been handing out the prize since 2005.
The 16-year-old's "Fridays for Future" protests which seek to bring world governments into full compliance with the Paris Climate Accord have become a global phenomenon.
France broke a new heat record with temperatures hitting 45.9 degrees Celsius over the weekend. Young Extinction Rebellion climate activists protesting in Paris under harsh weather conditions were sprayed by police forces with tear gas.
More than 100 ministers from across the globe are in Katowice for a UN climate conference draws, where they're struggling to reach an agreement on how to fight climate change.
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