When I arrived at my hotel in Madrid the lobby was abuzz with a crowd of young people from Asia and Romania who had arrived to join Friday’s march of half a million people to demand climate action. The most visible public voice was Greta Thunberg, the Swedish student who had risen to world fame...

This guest post is by Ahti Tolvanen. Ahti is a UU-UNO Envoy for Lakehead Unitarian Fellowship in Thunder Bay, Ontario. Here he writes about his experience as a participant in the 21st Conference of Parties (COP21) international climate change conference in Paris, which took place in December...