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  • Article from 05.03.2018 | Last changed: 26.03.2018

    Nutrients in watercourses

    … the concentrations. The 90-percentile values for the three ten-year periods (1986-1995, 1996-2005 and 2006-2015) at LAWA monitoring sites for which data is available … in flow rate and more to inputs. Comparing the first two ten-year periods 1986-1995 and 1996-2005 reveals a sharp drop in phosphorus and ammonium concentrations, … the concentrations. The 90-percentile values for the three ten-year periods (1986-1995, 1996-2005 and 2006-2015) at LAWA monitoring sites for which data is available …

  • Article from 21.05.2025 | Last changed: 21.05.2025

    UMID: Environment and Human Health – Information Service

    Nori-Algenflakes auf einem weißen Teller

    … 4/1996 Heft 3 UMID: Heft 3/1996 Heft 2 UMID: Heft 2/1996 Heft 1 UMID: Heft 1/1996 1995 Heft 4 UMID: Heft 4/1995 Heft 3 UMID: Heft 3/1995 Heft 2 UMID: Heft 2/1995 Heft 1 UMID: Heft 1/1995 1994 Heft 5 UMID: Heft 5/1994 …

  • Article from 10.12.2025 | Last changed: 10.12.2025

    Factor X - Intelligent use of natural resources

    The photo shows a solar park and several wind turbines

    … of resources by a factor of 10 (= roman X), or 90 percent, within 50 years. In 1995, Ernst-Ulrich von Weizsäcker stated that a factor of 4 can double wealth and … of resources by a factor of 10 (= roman X), or 90 percent, within 50 years. In 1995, Ernst-Ulrich von Weizsäcker stated that a factor of 4 can double wealth and …

  • Article from 10.08.2020 | Last changed: 17.11.2025

    Military and armament contaminated sites

    … and instruments for the cleanup of contaminated military sites. As early as 1995, immediate hazards had been averted, and a list of all German military … and instruments for the cleanup of contaminated military sites. As early as 1995, immediate hazards had been averted, and a list of all German military …