had -- well, i think the ash that's gone to europe will decline because there is much ash being produced at the volcano at the moment. >> this is not something you can guarantee? the science of predicting volcanos cannot be guaranteed? >> no, i have no control over volcanos. i'm making assessments on how volcanos behave generally. it is likely we have seen the peak of activity. now it's on a declining trend. >> is it fair to say that it's likely the worst is over? >> it is likely, but we cannot know for sure. >> is there in way to put a percentage on it? >> no, it's impossible. real really, we just have to make do with that. >> thank you very much. i know you're flying up there again shortly. >> yes. >> we look forward to talking with you when you come back. okay. one of the things, you know, that you've heard so much on tv, t.j., is people in london and people in iceland and people in the united states giving