Greta Thunberg, a Young Green Activist

Greta Thunberg is a 16 year-old girl who has become worldwide famous for her campaings to raise awareness against climate change and other environmental issues. She is very articulate in English and an excellent communicator.

Above, you can watch the emotional speech that she gave at the Climate Summit at the UN, which she reads slowly and clearly, but has no subtitles (C1) and below, you can see an interview on the Daily Show where her discourse becomes more natural and colloquial, even humorous at times, which can be accessible to B2 students.

Domestic Violence Outcry in Turkey

Gender violence is a growing concern all around the world.  This NPR story reports on the state of affairs in Turkey, where feminist groups are leading the protests in the streets against male violence, they are fighting for women's rights in the courts and they are volunteering to create more women's shelters to protect the victims of domestic violence.
This report could be classified as C1for its extension and vocabulary.