A 14-year-old climate activist inspired by Greta Thunberg sits outside the UN on Fridays. She says she's been getting death threats.

A 14-year-old climate activist inspired by Greta Thunberg sits outside the UN on Fridays. She says she's been getting death threats.Sixteen-year-told Swedish activist Greta Thunberg has encouraged students to skip school to demand action on climate change from their governments.