Greta Thunberg is: An activist A voice for climate change An inspiration Greta Thunberg is an activist best known for calling attention to the devastating effects of climate change on our planet. A bold voice even against people that want to silence her, Greta has become a source of inspiration for millions of people who want to work towards tackling the climate crisis. From taking part in school strikes and owning that her Asperger syndrome is her superpower, to crossing the Atlantic Ocean in a ...