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  • KomPass: Article from 28.11.2023 | Last changed: 18.12.2024

    FiW-I-1:Claims ratio, combined ratio in homeowners’ comprehensive insurance

    The picture shows the top view of a building roofed with red tiles. To the right and left of the roof ridge you can see numerous large hailstones. Some of the roof tiles are broken.

    … billion Euros resulting from the August floods focused on the Elbe/Danube area (cf. Indicator WW-I-4 ) – the most expensive year in terms of damages paid by … the course of the past 50 years. 213 Whether an insurance segment is profitable is indicated by the so-called combined ratio. The storm events of recent years left … high. This regularly causes actuarial losses incurred by insurance companies. The data collected by insurance companies have been collated centrally for the past 25 …

  • KomPass: Article from 28.11.2023 | Last changed: 19.12.2024

    GE-I-1: Heat stress

    The picture a woman´s face with beads of perspiration caused by the summer heat. The woman is holding a hand to her forhead. In the left-hand side of the picture is a thermometer indicating 40°C air temperature.

    … 2005 – there is so far no clear trend discernible. However, the nationwide mean indicates that there has been no year without any heat warnings. GE-I-1: Heat stress Source: DWD (Open-Data-Server) Heat stress on the rise Apart from the increasing average temperature, …

  • News from 29.07.2025 | Last changed: 29.07.2025

    German Environmental Survey celebrates 40th anniversary

    a colorful picture with many different faces

    … has been investigating the exposure of the German population to pollutants. The data are used to inform the public. It also provides an important scientific basis … drinking water. GerES  II was conducted in the early 1990s. For the first time, data were collected for both the former West German states and the new federal … protection and public health, and continue to inform policy today. German data integrated at EU level From the 2000s, human biomonitoring projects became …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    LW-R-1: Adaptation of management rhythms

    The picture shows a person standing in a field of maize inspecting the leaves of a young maize plant.

    … weather patterns play a role in the choice of crop species and varieties (cf. Indicators LW-R-2 and LW-R-4 ) and the selection of crop rotations made by … unpredictable weather patterns or weather scenarios is on the increase. Apart from data on temporal changes in the development of plants, the DWD‘s nationwide … the changes regarding cultivation dates in spring are a suitable subject for indication in the context of climate change, especially for summer crops. Apart from …

  • KomPass: Article from 28.11.2023 | Last changed: 12.12.2024

    FW-I-3 + 4: Forest condition and dieback rate

    … to the drought years of 2018 to 2020, the dieback rates for all main tree species índicate a spontaneous, distinct increase. In the case of spruce stands, extensive … with trees dying For many years, the condition of crowns was considered a suitable indicator for illustrating the impacts of pollutants on the vitality of forest trees. Nowadays the focus of interpreting data on forest condition has shifted to weather patterns and infestation with pests. …

  • KomPass: Article from 28.11.2023 | Last changed: 18.12.2024

    RO-R-5: Increase in settlement and transport areas

    The picture shows the construction of a new road. The partly finished road foundation is visible. In the foreground the foundation is still being completed whereas in the background it is already sealed. Half-way along the site a vibratory plate is standing. To the left of the new road, mounds of earth are visible - behind those a treeline. In the background, the roofs of a residential area are visible.

    … can take pressure off the underlying areas of river basins at times of flood (cf. Indicators BD-R-2 , and RO-R-6 ). In bioclimatically stressed spaces, the passage of … performance of area surveys during recent years have limited the comparability of data. Nevertheless, the development emerging in the course of recent years makes it …

  • KomPass: Article from 28.11.2023 | Last changed: 17.12.2024

    BAU-R-3: Investments in the energetic refurbishment of building envelopes

    The picture shows a covered roof structure with insulation installed on its left-hand side.

    … energetic refurbishment of building envelopes Source: DIW (own analysis based on data from the construction statistics and construction activity statistics of the … shading or greening of the building should be carried out at the same time. The indicator illustrates the financial investments for residential and non-residential … for new builds and a scarcity of building materials, this development seems to indicate that measures are now increasingly implemented in respect of building stock …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    GE-I-6: Contamination of bathing waters by cyanobacteria burdens

    The picture shows the palm of a hand stroking the surface of a water body.

    … to high concentrations of cyanobacteria. Based on satellite images, the analyses of data from up to 16 lakes distributed over different natural spaces demonstrate that … no satellites active that were equipped with the requisite satellite sensors. The indicator is underpinned by data covering four lakes in the area of the Alps and …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    GE-R-4: Submissions for the Mückenatlas

    The picture shows the fingers of two hands in rubber gloves, in the process of using tweezers to place dead mosquitoes on to a cover glass for microscopic examination.

    … GE-R-4: Submissions for the Mückenatlas Data foundation was improved by scientific identification of the mosquitoes. Source: … given the spread of mosquitoes which can act as vectors for these pathogens (cf. Indicator GE-I-5 ), and the concurrent presence of these pathogens which can be …