Swedish teenager, Greta Thunberg’s shaming of world leaders and air travelers over climate change has won her millions of admirers and attracted many new followers to her cause.

Axar.az reports citing foreign media that Thunberg, one of few people whose nomination has become known before the awards ceremony, is the bookmakers’ favorite to win the prize next month.

At 16, she would be the youngest recipient of the $930,000 award won by the likes of Nelson Mandela, Jimmy Carter and Mikhail Gorbachev. She would be the first to win the prize for environmental work since former U.S. vice president Al Gore shared it in 2007 for raising awareness of climate change.

But Thunberg’s youth, outspokenness and confrontational approach - the very factors that have made her the global face of climate change activism - present challenging questions for the Norwegian Nobel Committee.

Her shaming of those who choose to travel by airplane - #flightshame – raises hackles among some people. The denunciations of world leaders by a teenager alienates others.