A German airport group offered to hold talks with the Last Generation climate activism group on Thursday, after a demonstration brought flights to a standstill at the nation’s busiest airport, saying such protests do not contribute to a solution. In an open letter, the Airport Association (ADV) acknowledged that climate change is one of the greatest challenges of modern times. The association said it wanted to inform climate activists about the latest climate policy and measures airports are taking, in a conversation. The ADV also seeks to discuss the impact of runway blockades on airport safe…