In other areas of human activity, we talk about consent.
Perhaps instead of forcing people off their aeroplanes, we could encourage the IT industry to develop viable large-scale teleconferencing facilities, crossing say Skype with wide-angle lenses and IMAX cinemas, so that diplomats could think and negotiate in their own time zones, jet lag could be abolished, and climate-change summits wouldn't require quite so many gas-guzzling motorcades.