Brussels, 03/01/2000 (Agence Europe) - The European Commission's annual reports, published last year, on the concentration levels of tropospheric ozone in the Union during the 1998 and 1999 holiday season (See EUROPE of 13 October p.14) are alarming. Despite a slight improvement of the situation in Central Europe (a slight downward trend in the ozone pollution peaks is visible over the last years), there still is not global reduction in population and ecosystems exposure to ozone in the...