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  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    KM-I-5: Change of flow direction

    The picture shows a river running through a flat landscape consisting of meadows and agricultural areas. The sea is visible in the background.

    … gauging stations alongside the river sections concerned record negative discharge values. If the tidal force is rather weak as in the Baltic Sea, storms are always …

  • KomPass: Article from 28.11.2023 | Last changed: 12.12.2024

    FW-I-1: Tree species composition in forest nature reserves – case study

    The picture shows a near-natural forest with beech trees. In the foreground there is an uprooted tree lying on the ground.

    … there have been indications of shifts in tree species compositions up to 2014, which cannot be attributed to climate-related changes. The majority of stands … by climate change. As far as the second and third observation periods from 2014 to 2018 and from 2019 to 2023 respectively are concerned, the direction of … sylvatica) has continued to increase – albeit to a much lesser extent than prior to 2014. As far as oak species are concerned, a minor decrease, and from 2019 to 2023, …

  • KomPass: Article from 28.11.2023 | Last changed: 11.12.2024

    WW-I-6: Low water

    The picture shows a river with a low water level. There are smallish stones and large rocks projecting from the water. The river banks are covered in high grass. There is a woodland adjacent to the river bank.

    … on the discharge of waste water. For the time series illustrated, the discharge values measured at 76 gauging stations of German rivers were examined in order to … of Eider / Schlei, Schlei / Trave and Warnow / Peene, the water balance years 1996 and 2009 as well as the period of 2018 to 2020 recorded a high number of …

  • KomPass: Article from 28.11.2023 | Last changed: 18.12.2024

    BS-R-2: Precautions taken among the population

    The picture shows an assortment of emergency provisions including groceries such as beans, rice and tinned food, batteries, adhesive tape, toilet paper, tea lights and lighters.

    … In comparison to the outcomes of environmental awareness studies conducted in 2012, 2014 and 2016 as well as the survey conducted in 2021, it becomes clear that the … to them personally, was at first declining up to 2016 by 11 %. Compared to a value of still 59 % in 2012, this value had dropped to just 48 % by 2016. However, … In comparison to the outcomes of environmental awareness studies conducted in 2012, 2014 and 2016 as well as the survey conducted in 2021, it becomes clear that the …

  • Green procurement: Article / Tender recommendation / Environmental criteria from 23.01.2019 | Last changed: 23.01.2019

    Vacuum cleaners

    light green vacuum cleaner with black suction pipe

    … content Links Blue Angel Vacuum Cleaners (DE-UZ 188) Tools Vacuum Cleaners Guide on green public procurement: Vacuum Cleaners Tags vacuum cleaner … Apart from …

  • DzU article from 22.12.2025 | Last changed: 22.12.2025

    Indicator: National Welfare Index

    A graph shows the national welfare index (NWI) and gross domestic product (2000 = 100) for the years between 1991 and 2024. Since 2000, the NWI has increased by 10.7 percent, while GDP rose by 27.4 percent.

    … on whether they contribute to welfare or not. Greater income inequality lowers the value of the index. Environmental costs and consumption of non-renewable resources … Between 2005 and 2013 there were hardly any fluctuations of the NWI. From 2014 on there was a positive trend. Consumer spending increased, inequality … on whether they contribute to welfare or not. Greater income inequality lowers the value of the index. Environmental costs and consumption of non-renewable resources …

  • KomPass: Article from 28.11.2023 | Last changed: 18.12.2024

    HUE-4: Adaptation to climate change at the municipal level

    The picture shows a slightly hilly landscape characterised by agricultural activity. The centre of the picture shows a village embedded in the landscape. In an almost cloudless sky which is already tinged with orange, you can see a low sun wrapping the landscape in a warm light.

    … While in the 2012 survey, 58 % of respondents answered this favourably, by 2014 this proportion had diminished to 41 %, a distinctly lower percentage, and by 2016, the proportion had dwindled to only 30 %. In 2021 this value increased again to the 2014 level. However, as before, the population obviously still perceives notable …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    GE-I-9: Ozone burden

    The picture shows the exhaust pipe of a motor car emitting exhaust gases.

    … is reasonable to assume that ozone might be carcinogenic. In cases where the ozone values reach or exceed an hourly mean of 180 µg/m³ air, the population is informed …

  • Green procurement: Article / Tender recommendation / Environmental criteria from 12.03.2024 | Last changed: 15.05.2024

    Research projects

    Rechenschieber mit grünen Kugeln im Vordergrund.

    … (April 2015) Rechtsgutachten - Umweltfreundliche öffentliche Beschaffung (July 2014) Regelungen der Bundesländer auf dem Gebiet der umweltfreundlichen Beschaffung … EU procurement directives) that involved the following:   • Estimating the monetary value of the public procurement sector in Germany • Determining the …

  • Press release 43/2024 from 06.11.2024 | Last changed: 07.11.2024

    Rural areas and urban centres are interdependent

    Kind auf einem Feld schau auf die entfernte Stadt.

    … Rural areas and urban centres are interdependent The “Urban plus rural creates added value” conference highlights ways to improve cooperation Urban areas and rural … on 5 and 6 November in Berlin at the conference “Urban plus rural creates added value”, which was organised by the German Environment Agency (UBA) together with the … such as fruit and vegetables offer opportunities for mutually beneficial regional value chains; Urban dwellers can enjoy fresh food from the region, while prospects …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    KM-I-1: Water temperature in the sea

    The picture shows a view of the surface of the sea from below. The sun’s rays are beaming through the water’s surface. The sea is coloured dark blue to turquoise-green.

    … since 1969. For example, the mean warming amounts to 0.26 °C per decade. The annual values are subject to natural fluctuations. KM-I-1: Water temperature in the sea … summer months – amounted to 11.0 °C (2003, 2006, 2016, 2020) and above (11.4 °C, 2014), and latterly 11.2 °C (in 2022). The consequences of warming in the North Sea …

  • Press release 22/2018 from 16.08.2018 | Last changed: 27.08.2018

    Health risks from legionella – new requirements for evaporative cooling systems operators

    Klimaanlage auf einem Hochhaus

    … addition, 42. BImSchV includes requirements of plants to report trigger and action values for the concentration of legionella in industrial water. Press release No. … emissions containing legionella. The 42nd ordinance also defines trigger and action values for the legionella count in the industrial water and stipulates requirements …