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  • 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.

    … related to conditions of the respiratory tract. Apart from temperature, it is air humidity which is of particular relevance in respect of illnesses affecting the respiratory tract, as dry air dries up the mucous membranes and facilitates virus infections. However, high air humidity can also make breathing difficult, and it can increase the number of …

  • KomPass: Article from 28.11.2023 | Last changed: 18.12.2024

    RO-R-4: Priority and restricted areas reserved for special climate function

    Looking over the top of a woodland, the picture shows the skyline of Frankfurt am Main. Skyscrapers and the tv tower rise high above the landscape. In the background, the Taunus mountain range is visible.

    … areas reserved for special climate function Terrain which produces fresh and cool air for balancing the local climatic conditions. Source: A. Emson / stock.adobe.com … Priority and restricted areas reserved for special climate functions constitute a fairly new tool used in spatial planning. This is why this area category has so far … and restricted areas reserved for specific climate functions, where cool and fresh air accumulates, and by networking those priority and restricted areas with …

  • KomPass: Article from 28.11.2023 | Last changed: 17.12.2024

    IG-I-1: Heat-related decrease in efficiency

    The picture shows a woman wearing a blouse and a blazer, sitting in an office in front of a laptop. In her left hand she is holding an open water bottle while wiping sweat off her brow with her right hand. The woman’s eyes are closed and her facial expression suggests exhaustion.

    … of high temperatures on efficiency Rising temperatures and increasing absolute air humidity impact strongly on the health and efficiency of workers. The effects … temperature – thus remaining in a healthy state – by means of perspiration. High air humidity and any necessary work clothing can restrict the evaporation of sweat … is installed and is used to best advantage, that the premises are adequately aired in the early mornings, interior heat loads are reduced, working hours are …

  • KomPass: Article from 28.11.2023 | Last changed: 17.12.2024

    BAU-R-1: Recreation areas

    The picture shows an aerial photograph of the ‘Straße des 17. Juni’, a street commemorating the building of the Berlin Wall (the anniversary of German unification takes place annually on 17th June). To the right and left of this street, you can see the canopy of trees in the Große Tiergarten park. The city’s silhouette is visible in the picture’s horizon, including the Reichstags building, tv tower, cathedral and the Brandenburg Gate.

    … Moreover, impacts on the economy can be caused by staff suffering from fatigue, impaired concentration and stress on the cardio-vascular system, making them less … are inter-connected. The positive effect of green spaces on the urban climate and air quality as well as noise abatement depends on the size, structure and … individual’s thermal comfort. Compared to the built environment, lower surface and air temperatures can develop. In addition, green spaces, especially those containing …

  • KomPass: Area of action climate impact from 11.01.2022 | Last changed: 08.01.2026

    Climate Impacts: Field of Action Building Industry

    Building crane in front of a blue sky

    … trees, such as a small root space due to soil compaction and sealing, low soil and air quality, and pollutant inputs such as road salt. Urban climate and heat islands … effect tends to be. A high degree of surface sealing, few cooling green spaces, low air circulation, dark surfaces, high-rise buildings and heat emissions, for example from traffic and building air conditioning, all contribute to this. As buildings store heat and cool down only …

  • KomPass: Article from 28.11.2023 | Last changed: 18.12.2024

    TOU-I-1: Coastal bathing temperatures

    The picture shows an elderly woman, a toddler and a child of school age from behind; they are all wearing summer clothing. Holding hands, they are walking on the beach towards the waves. The woman is holding two buckets for digging in the sand.

    … the coast – as the typical form of summer tourism – might in general benefit from air and sea temperatures rising as a result of climate change. Owing to global … indicating a significant trend. In parallel with the warmer water temperatures, the air temperatures are becoming more favourable too. This was indicated by … Sea) respectively: The average daily mean and highest values measured for the air temperature during the summer vacation months of June to September have been …

  • 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.

    … with due consideration of a typical human being’s temperature perception. Air humidity can play an essential role in this context. By contrast, hot days are based solely on air temperature data. The summer of 2018 was characterised by the highest number of …

  • 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.

    … was also applied in Germany. There was an exceptionally high sales volume in mobile air-conditioning units for active cooling in apartments and houses. It must be said, however, that the use of air-conditioning is associated with increased electricity consumption which, in … to the efforts of increasing climate protection. In addition, the abstracted air from air-conditioning systems warms up the local urban atmosphere further thus …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    BAU-I-1 + 2: Heat stress in urban areas and summer heat island effect

    … whether climate change is exacerbating the heat island effect. However, even if the air temperatures in the city and its vicinity rise ‘only’ with equal strength, heat … different from the climate prevailing in their periphery. For example, the relative air humidity tends to be lower, and the mean temperatures tend to be higher. In … the frequency of so-called ‘hot days’ is expected to increase, with maximum air temperatures reaching or exceeding 30 °C. Besides, the population will …

  • KomPass: Article from 28.11.2023 | Last changed: 20.01.2025

    GE-I-3: Birch pollen burdens

    The picture shows a birch blossom with its pollen distributed by the wind.

    … drought, and an extended vegetation period favour longer periods when pollen are air-borne as well as higher pollen concentrations. It is also conceivable that the … A prerequisite for this would be a high concentration of pollen or spores in the air. Changes in the weather, such as precipitation, an increase in air humidity or lightning activity can lead to the fragmentation of pollen, thus …

  • 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.

    … , and RO-R-6 ). In bioclimatically stressed spaces, the passage of fresh and cool air to residential areas is paramount. On the periphery of conurbations, air is apt to cool off faster in the summer months above meadows and arable land …

  • KomPass: Article from 28.11.2023 | Last changed: 08.12.2025

    Cluster Human Health

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

    … on mortality figures has been recorded. Apart from heat-related health impairments, it is important to mention also pollen allergies, skin cancer caused by UV radiation as well as cardio-vascular and respiratory illnesses caused by air pollutants; all these health conditions have been linked to (non-infectious) … plant populations. As far as cases of UV radiation (cf. Indicator GE-I-8 ) and air pollutants are concerned – the latter is linked in particular to near-ground …