'How dare you?' Teenage activist Greta Thunberg's fiery speech at UN Climate Summit baffles world leaders

Teenage climate activist Greta Thunberg is making headlines for all the right reasons after her fiery speech at the United Nations Climate Summit. The 16-year-old activist slammed world leaders for failing to take sufficient actions to combat climate change. Greta Thunberg has accused the leaders of betraying her generation for failing to tackle the 'Greenhouse Gas' emission.