Greta Thunberg Blasts <br />World Leaders at the UN In a scathing speech, the 16-year-old <br />said inaction on climate change is <br />"stealing away her dreams." Greta Thunberg, via United Nations The Swedish activist added that plans to cut emissions in half within a decade is not enough. Greta Thunberg, via United Nations Thunberg then tweeted that she <br />and group of others have issued a <br />legal complaint over climate issues. The filing says that the countries, which include Germany and Brazil, have disrupted <br />a human rights treaty. Greta Thunberg, via Twitter Besides her UN speech, <br />the environmentalist led a <br />worldwide climate strike last week. Millions across the globe participated in the protest.