Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. 'Greta': A Young Activist's Moment, Praised and Criticized Associated Press UNITED NATIONS - She stepped onto the biggest of global stages to face the most diverse of audiences, and she made it count. "How dare you?" she kept saying to some of the world's most powerful people. "You are failing us," she told them. Sometimes, a moment and a person align. For 16-year-old Greta Thunberg -- whether you admire her or dislike her, and there are plenty of passionate partisans in both camps -- Monday was that time. Climate change is a diffuse topic. And in a society trained to consume narratives by movies and TV shows that feature sharp storylines and powerful protagonists and antagonists, it can be difficult to focus on something so vast and all-encompassing. .