Greta Thunberg, a 15-year-old student from Sweden, captured the attention of the world recently when she shamed climate change negotiators at a United Nations climate summit in Poland.

Greta Thunberg, a 15-year-old Swedish environmental activist, all but shamed the 190 countries represented at the United Nations COP24 conference in Poland last week.

Greta Thunberg, a 15-year-old student from Sweden, captured the attention of the world recently when she shamed climate change negotiators at a United Nations climate summit in Poland.