Monuments across Europe went dark on Saturday to mark the worldwide Earth Hour event. Among them was the Brandenburg Gate in Berlin where the lights went off as part of a global movement that encourages nations to switch off their lights at 8:30 pm local time for an hour to bring attention to the issues of nature loss and climate change. In Germany, alongside highlighting environmental issues, the event sought to comment on the political climate. “The current zeitgeist is tense. Crises, conflicts and wars are keeping people very busy,” said Viviane Raddatz, Head of Climate at WWF Germany, in t…