Updated On: 24 September, 2019 01:03 PM IST | | mid-day online correspondent
The teenage Swedish activist gave a powerful speech in the United Nations climate summit

PIC/Twitter
The moment when teenage Swedish climate activist Greta Thunberg giving a cold stare to US President Donald Trump speaks volume about the disagreement between the two about the pressing issue of climate change at the United Nations Climate Action Summit in New York.
In the clipping that has gone viral the teenage environment activist was seen have a curious look on her face that changed the instant she realised that Trump arrived at the scene.