… around the world have regularly attended training seminars on the Zugspitze for ten years. Up to now more than 290 participants from 56 countries have come to two-week … around the world have regularly attended training seminars on the Zugspitze for ten years. Up to now more than 290 participants from 56 countries have come to two-week …

… rolling revision of WHO Guidelines for Drinking-water Quality , the international point of reference in the arena of drinking-water hygiene and regulation … rolling revision of WHO Guidelines for Drinking-water Quality , the international point of reference in the arena of drinking-water hygiene and regulation …

… that soil loss does not occur to any significant degree when naturally formed year-round plant cover is present. The currently observable dimension of soil loss … than new soil can be created. Soil develops very slowly. It takes more than 100 years to form one centimeter of humus-rich soil that can be lost in a single erosion … than new soil can be created. Soil develops very slowly. It takes more than 100 years to form one centimeter of humus-rich soil that can be lost in a single erosion …

… production and consumption patterns of industrialized economies will soon reach the point where, with a projected world population of nine billion, the ecosphere will … The Federal Government is obliged to report to the German Bundestag every four years on the development of resource efficiency in Germany and to update the … The Federal Government is obliged to report to the German Bundestag every four years on the development of resource efficiency in Germany and to update the …