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  • KomPass: Article from 28.11.2023 | Last changed: 05.01.2026

    BAU-R-2: Green roofs in cities

    The picture shows the metal facade of a modern commercial building almost completely covered with a climbing plant.

    … in an urban district and on the building itself, also on rain retention, the air quality and on biological diversity – thus mitigating local impacts of climate … roofs and façades effectively cool down buildings as well as their surrounding air 145 . On one hand, this is beneficial to users of buildings on hot summer days … environment at street level. Another beneficial consequence of greening is its air-quality effect. The vegetation surface slows down the air current so that …

  • KomPass: Article from 28.11.2023 | Last changed: 11.12.2024

    WW-I-8: Water temperature in lakes

    The picture shows a mountain lake in glaring sunlight. A mountain chain is visible in the background.

    … lakes The water temperature of standing waters is influenced very directly by the air temperature. It hence follows that changes in water temperature are part of the … layer is usually well mixed and reacts comparatively directly to any changes in the air temperature. By contrast, the development of water temperatures in the deeper … during the relevant periods of observation. Years with above-average high air temperatures such as the years of 2003, 2018 and 2019 stand out quite …

  • KomPass: Article from 28.11.2023 | Last changed: 20.09.2024

    Cluster Transport, transport infrastructure

    The picture shows a flooded dip in a road. There is a roadblock in the foreground indicating that the road is closed to traffic. A sign reading ‘Hochwasser’ (floodwater) is fixed to the roadblock. There are flooded meadows visible on both sides of the road.

    … transport carriers such as road and rail, inland and marine shipping as well as air transport. As far as goods transport by inland shipping is concerned, the Rhine … concerns weather-related disruptions in the railway infrastructure. The issue of air transport has again not been included as a theme This is due to the fact that at … on this sector 158 . In the meantime, potential impacts of climate change on air transport have been examined more closely, both at national and international …

  • Press release 28/2024 from 06.06.2024 | Last changed: 21.06.2024

    The German Environment Agency celebrates 50 years of environmental protection at its Dessau site

    Zu sehen ist das Hauptgeäude des Umweltbundesamtes in Dessau-Roßlau. Im Anschtt befindet sich ein Teil der bunten Fassade sowie die Blickrichtiung zum gläsernen Haupteingang.

    … the UBA has made a significant contribution to protecting the environment. The air has become cleaner, the quality of drinking water has improved significantly and … also be a musical and culinary programme. In addition, damaged textiles can be repaired on site by hand and with a sewing machine under supervision. The Federal Youth Project "We Care & Repair" will be offering to repair items of clothing brought along. A highlight of the …

  • Appointment from 15.02.2021

    International Conference VOC emissions from construction products

    … emission classes. VOC emissions from construction products may pollute the indoor air and harm human health. The definition and communication of VOC emissions in form … deadline is April 15, 2021. More information: Conference website Tags indoor air quality construction product … The UBA invites representatives from the EU …

  • Press release 5/2017 from 17.02.2017 | Last changed: 03.04.2017

    Federal Government business travel remains climate neutral

    business travellers in an airport

    … as of the the beginning of the current legislative period. These are all trips by air and car of 110 ministries and federal authorities. Maria Krautzberger, President … travel data from 2015. The UBA gathered data on all the distances travelled by air and the fuel consumption of the ministries and federal authorities’ vehicle … fleet to calculate the greenhouse gas emissions. Carbon dioxide emissions for air travel are multiplied by a factor of three to take the higher climate impact of …

  • 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.

    … The North Sea is getting warmer Global warming is reflected not just in rising air temperatures – the seas and oceans are warming increasingly too. Especially in … by the anthropogenic greenhouse effect is stored in the oceans. Contrary to the air temperatures above the mainland, which are more exposed to the influence of … such as the Atlantic Multidecadal Oscillation. The time series of the annual mean air temperature in Germany shows a similar development . Similar variability …

  • KomPass: Article from 28.11.2023 | Last changed: 11.12.2024

    WW-I-1: Terrestrially stored water

    The picture shows a section of a satellite photograph of the Earth. In the upper margin of the photograph is a radiant sun. On the Earth, clouds and a deep-blue ocean are visible.

    … data) Water storage decreasing Climate change makes itself felt in terms of rising air temperatures and a changing precipitation regime. The seasonal distribution of … interior, while in the oceans and on the continents, there are water masses and air masses on the move at all times. This uneven distribution of masses means that … both above and below ground. … Climate change makes itself felt in terms of rising air temperatures and a changing precipitation regime. The seasonal distribution of …

  • Press release 32/2022 from 28.06.2022 | Last changed: 01.07.2022

    Heat in the inner city: a plea for more trees and shade

    Stuttgart von oben, zu sehen ist die Lage in einem Talkessel

    … storey to roof area ratio is less favourable than in Tunis.  Although the need for air conditioning could be significantly reduced, for example by shading the exterior and the buildings, it is not possible to dispense with mechanical air conditioning in subtropical neighbourhoods without sacrificing comfort. Even in … despite thermal insulation measures. Only the Hamburg neighbourhood did not require air conditioning to ensure comfortable temperatures at all times. Climate protection …

  • KomPass: Article from 28.11.2023 | Last changed: 11.12.2024

    WW-I-9: Spring algal bloom in lakes

    The picture shows an aerial view of a lake. Its surface is coloured a luminous green in places, owing to spring algal bloom. There are agricultural fields visible in the lake’s vicinity.

    … below zero occurring in most areas. There was another significant spell of cold air prevailing in March of that year. This is a major reason for the onset of spring … winter since records began in 1881, Germany was under the influence of mostly warm air masses in spring, and it was unseasonally warm as a result. Consequently, spring … below zero occurring in most areas. There was another significant spell of cold air prevailing in March of that year. This is a major reason for the onset of spring …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    GE-I-7: Health hazards from vibrios – case study

    The picture shows an outstretched foot on a sandy beach. There are two abrasions visible above the ankle.

    … and rehabilitation purposes in Germany. Especially in the summer months when air and water temperatures reach their maximum levels, numerous visitors and patients frequent many rehabilitation centres. Air temperatures rising as a result of climate change leads to the North Sea and the …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    VE-I-6: Weather-related disruptions to the railway infrastructure

    The picture shows a single-lane railway track covered by the crown of a toppled tree. A woodland is visible to the left and right of the railway track.

    … up along railway lines owing to drought and heat. Likewise, technical defects in air conditioning equipment and other structural components can lead to heat-related … components used in track switch operation mechanisms and switch points as well as air conditioning equipment. Likewise, adapted vegetation management along railway … up along railway lines owing to drought and heat. Likewise, technical defects in air conditioning equipment and other structural components can lead to heat-related …