... or the detected civilization will just have died out in the same time span. How much time do we have left as a species? Given climate change and our current

... or the detected civilization will just have died out in the same time span. How much time do we have left as a species? Given climate change and our current consumption of non renewable resources, I doubt any civilization that detects us today would be able to reach us on time. Three Body Problem sounds interesting. Will check it out.