on the story we can go to the cock 25 conference in madrid to speak to us from the institute for climate impact research in potsdam cierra good to have you on our program we've just seen there how migration or displacement due to climate change is an increasing problem you've done a lot of research on this year there in madrid is this being taken seriously. well we see a lot of site events happening on climate change and migration but the question is the political action will be taken to address this phenomenon and to help people stay or to facilitate movements out of areas that may become uninhabitable. we said it is an increasing problem kara what do you think can be done to mitigate the challenges that are facing people who are living in areas that are already affected by global warming well the 1st thing is that we need to limit global warming and mitigate our c o 2 emissions to make it even possible to adapt however we should also focus on those who are most affected switch up people in rural areas like subsistence farmers whose life was out risk and to give them the option off different livelihood

a team from the pasta institute for climate impact research pick thinks this could save the ice sheet and stop coastal cities such as shanghai and new york from becoming submerged if and articles giant ice sheet melts pick researchers estimate that sea levels would rise by more than 3 meters. the colleagues at pick are doing what scientists do best the duncan experiment and that's what we call it. so that's all just hypothetical a thought experiment just like most of the ideas on how to intervene in the earth's climate system it's called geo engineering and there are 2 main approaches. first extract carbon dioxide from the atmosphere known as carbon dioxide removal and 2nd reflect solar energy to prevent further heating called solar radiation management let's start with number one. a whole range of measures are being discussed on the one hand things like reforestation. trees absorb c o 2 from the atmosphere as they live and grow and when for 3rd preserved they can act as a carbon sink. and then there's the high tech version of that technology that would suck the o 2 out of the air lik

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 are 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 lin danger all of them. and it's quite 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 large 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 of climate anxiety mean to you while i feel like. it shows that people are realizing what catastrophe catastrophe actually n. i feel like a lot of peop