professor of ocean physics who heads earth systems analysis at the renowned potsdam institute for climate impact research he says the science is clear we're facing catastrophic risks and we need to act fast to avoid them it's time for decisive action not for anxiety. alan posner is an influential blogger and commentator for the german newspaper and he says we need courage not anxiety in order to save the climate democracy. capitalism and the dream of a good life for everyone abandoning one of these games when danger all of them. and it's a pleasure to welcome clara meyer she is spokesperson for friday's for future berlin and she says while a certain theater shows real concern it's important that this concern is now channeled into action especially from wired corporations and politicians who hold a great responsibility to pass legislation controlling this climate this crisis. so korea let me start out by asking you what does this term this phenomenon climate anxiety mean to you while i feel like. it shows that people are realizing what catastrophe what my catastrophe are actually n. i feel like a lot of peop