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  • DzU article from 18.12.2025 | Last changed: 19.12.2025

    Indicator: Combined heat and power (CHP)

    A graph shows the development of CHP net power generation from 2003 (78 terawatt hours) to 2024 (103 terawatt hours) and the target for 2025 according to the CHP Act.

    Indicator: Combined heat and power (CHP) Heat and power (CHP): Net electricity … as PDF (109.80 kB) Figure as Excel with data (49.38 kB) Overview Environmental Indicators last update on 18.12.2025 At a glance The volume of electricity generated …

  • DzU article from 13.10.2022 | Last changed: 10.12.2025

    Indicator: Ecological status of lakes

    A graph shows the distribution of the environmental status and potential of the lakes for the years 2015 and 2021. The target for 2027 is also shown (100 percent ‘good’ or ‘very good’). In 2021, 24.7 percent showed at least a good status or good potential.

    Indicator: Ecological status of lakes Percentage of lakes in at least good status or … as PDF (44.40 kB) Figure as Excel with data (39.98 kB) Overview Environmental Indicators last update on 13.10.2022 At a glance In 2021 24.7 % of the lakes in …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    GE-R-1 + 2: Heat warning service and Public awareness of health problems

    … of heat-related mortalities and hospital stays in the hot summer of 2003 (cf. Indicator GE-I-2 ) demonstrated that we have to prepare for such health-threatening … as soon as the ‘perceived temperature’ reaches the threshold value defined, and as indicated by other factors such as thermal situations in towns and cities (cf. … information on the ‘perceived temperature’, pollen forecasts as well as the hazard indices of weather sensitivity. Besides, the DWD WarnWetter-App also provides …

  • DzU article from 26.11.2024 | Last changed: 27.11.2024

    Indicator: Environmental costs of energy and road transport

    A graph shows the development of environmental costs energy generation and road transport between 2017 and 2022. They were 300.3 billion euros in 2017 and 301.1 billion in 2022.

    Indicator: Environmental costs of energy and road transport Environmental costs … as PDF (317.49 kB) Figure as Excel with data (45.83 kB) Overview Environmental Indicators last update on 26.11.2024 At a glance Power generation, heat generation …

  • DzU article from 20.06.2025 | Last changed: 14.08.2025

    Indicator: Bathing water quality

    A graph shows good and sufficient bathing water quality levels for coastal and inland waters (1992 to 2024). Bathing water quality increased significantly, especially in the 1990s. The target value of 100 % bathing waters with at least sufficient quality was almost reached in 2015 and has been constantly at a high level since then.

    Indicator: Bathing water quality Percentage of German bathing waters that comply … as PDF (46.87 kB) Figure as Excel with data (44.70 kB) Overview Environmental Indicators last update on 20.06.2025 At a glance All bathing waters in the EU were …

  • 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.

    … Likewise, ozone and nitrogen oxides increase the allergenicity of pollen (cf. Indicator GE-I-3 ). The indicator focuses on the ozone as an air pollutant, given … from the ozone precursor substances were regressive. However, the time series indicates fluctuations from year to year which can be attributed, above all, to …

  • KomPass: Article from 28.11.2023 | Last changed: 12.12.2024

    LW-I-1: Agrophenological phase shifts

    The picture shows apple blossoms covered in frost.

    … to wild plants, agricultural crops and management operations, thus providing indications regarding impacts on agricultural management, because changes in … Compared to the 1970s, winter rapeseed started to flower 18 days earlier – as indicated by the mean calculated for the past ten years – while apple trees started … rape beetle is apt to increase owing to rising winter and spring temperatures (cf. Indicator LW-I-4 ). The use of early-flowering varieties can provide a tool for the …

  • KomPass: Article from 28.11.2023 | Last changed: 12.12.2024

    LW-I-4: Infestation with pest organism – case study

    The picture shows a detailed view of cereal plants infested with brown rust.

    … the buds of rapeseed blossoms. Basically, the use of early-flowering varieties (cf. Indicator LW-I-1 ) can reduce the infestation in the sensitive budding stage, but in … contents and organisational level – with the aid of findings from surveys for the indicators contained in the 2013 National Action Plan for the sustainable …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    Effects chain – Example presentation from the ‘tourism’ action field

    … in Germany too, as shown by increasing mean air temperatures. The areal mean indicates that for the annual mean, air temperatures rose by 1.5 % from 1881 to … The seawater temperature has also risen in the course of past decades (cf. Indicator KM-I-1 ). On the North Sea and Baltic Sea coasts this has a positive … seasonality of demand for overnight accommodation has decreased significantly. This indicates an increasing capacity utilisation of bed-nights throughout the year in …

  • DzU article from 26.03.2025 | Last changed: 01.04.2025

    Indicator: Environmentally friendly passenger transport

    A graph shows the share of pedestrian, utility cycling, railway and passenger transport services in the overall passenger transport volume. Shown here are the years between 2003 and 2022. There has been changes in method in this period in 2003 and 2007.

    Indicator: Environmentally friendly passenger transport Share of pedestrian, utility … as PDF (173.30 kB) Figure as Excel with data (474.41 kB) Overview Environmental Indicators last update on 26.03.2025 At a glance The share of environmentally …