The organization of ISPRS Technical Commission I is described in this Highlights issue. Seven Working Groups belong to Commission I and two are shared with Commission V. Each Working Group has already proposed activities which now should be realized within the next four year period until the Beijing Congress. An overview and the foreseen activities of each Working Group are described below. For...

An impression exists among frequent fliers that colds and flu are more prevalent after flying than from normal ground level exposures. A recent, well designed survey of adult passengers on 2/2 hour flights established that an average of 20% selfreported colds were experienced by these travellers when questioned 5 to 7 days after the flight. We have taken the details of these survey results and ...