To avoid the high carbon footprint of flying, Greta Thunberg, the young Swedish climate activist is instead sailing from Europe to New York to attend a global United Nations summit.
However, there is a snag. According to the German newspaper Die Tageszeitung, the coming and going of her fellow crew members from New York by plane will clock up six transatlantic flights, three times a single return trip.
Tackling climate change is complex. Our world is made up of complex interwoven systems that are difficult to quickly escape. A lot of trial and error will be required to get there.
Taming the reflex to judge, something that often gets in the way of attempts to change things, might be one of the biggest challenges.