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  • Article from 04.01.2023 | Last changed: 22.08.2025

    Floods - how they form and how we influence them

    Flooded elbe river near Dessau

    … and how we influence them Flooded elbe river near Dessau Source: Jörg Rechenberg / UBA Floods are natural events, they form on a regular basis and are an integral part … (Figure 1). Figure 1: The emergence of surface runoff. Source: Matthias Rothe / UBA How much precipitation percolates and how much runs off on the surface depends … 45.1% of this urbanised surface is sealed, according to the Federal Statistical Office. In terms of total surface area, the share of settlement and transport is …

  • Article from 22.08.2019 | Last changed: 24.09.2019

    Holi – Festival of colours and dust

    Menschen streuen verschiedne Farben aus

    … throwing of coloured powders especially at hourly countdowns. Holi-Colours For the UBA the several tons of coloured powders (holi colours, micro confetti, gulal … the powder. Similar recommendations have also been issued by the German Federal Office of Consumer Protection and Food Safety (BVL).   A nalyses by UBA show that holi powders contain up to 70% of fine dust (particles with a maximum …

  • Article from 02.02.2022 | Last changed: 25.07.2025

    Maritime shipping

    Sailing boat and container ship in the harbor of Hamburg

    … Sailing boat and container ship in the harbor of Hamburg Source: FG II 2.3 / UBA More and larger ships are sailing the world's oceans. Due to their high … on whether the activities should be extended to include waste at sea. To this end UBA organized a seminar in November 2018. Representatives of both networks, of the … 2008, the use of TBT in antifouling agents for ships was therefore banned (see also UBA topic page 'Anti-fouling agents' , German only). Today, mainly copper compounds …

  • Article from 31.03.2025 | Last changed: 10.04.2025

    Use and Impact

    Port view of Bremerhaven with container crane and container ship.

    … view of Bremerhaven with container crane and container ship. Source: FG II 2.3 / UBA The seas and oceans, including the North Sea and Baltic Sea, are intensively … mammals such as whales and seals, as well as seabirds, fish and molluscs. Noise mapping has shown: Human-generated noise is omnipresent in the oceans. The effects … mammals such as whales and seals, as well as seabirds, fish and molluscs. Noise mapping has shown: Human-generated noise is omnipresent in the oceans. The effects …

  • Article from 11.03.2025 | Last changed: 31.07.2025

    Protecting the seas and oceans: how can it be done?

    On the picure you see the sunset about the sea

    … seas and oceans: how can it be done? View of the wide open sea Source: FG II 2.3 / UBA The German Environment Agency is committed to protecting the oceans, which are … are an important ‘engine’ for global ocean currents. The German Environment Agency (UBA) has been working for decades to determine the state of the seas and to reduce … are an important ‘engine’ for global ocean currents. The German Environment Agency (UBA) has been working for decades to determine the state of the seas and to reduce …

  • Article from 16.04.2012 | Last changed: 10.09.2013

    Water body structure

    … in terms of deviation from its potential natural state (reference condition). Maps of water landscapes served to define reference conditions. On small to …

  • Article from 15.09.2014 | Last changed: 10.11.2017

    Assessment of watercourses

    two women are fishing in the water to take some samples

    … of watercourses Taking samples to examine the water quality Source: Hoffmann / UBA In Germany the Federal States (Länder) have the responsibility for monitoring …

  • Article from 11.05.2012 | Last changed: 14.11.2025

    Circulatory diseases

    … occurrence of arteriosclerosis”, the Federal Environment Agency ( Umweltbundesamt - UBA) investigated more than 1,700 predominantly older people from Berlin. The … occurrence of arteriosclerosis”, the Federal Environment Agency ( Umweltbundesamt - UBA) investigated more than 1,700 predominantly older people from Berlin. The …

  • Article from 26.11.2025 | Last changed: 28.11.2025

    Download

    … When downloading the three large ZIP files with the plume library from the UBA server, technical problems occur sporadically. The plume library is therefore …

  • Article from 12.12.2025 | Last changed: 12.12.2025

    Overview

    … protection", Janicke Consulting on behalf of the German Environment Agency, UBA). The program package AUSTAL2000 is a tool for applying the algorithms of Annex 3 of the new TA Luft in practice. The UBA has provided it to the public already in its draft version. This is to be seen … east from Jackson, in order to bring our ideas together (in the framework of the UBA project "handbook for immission calculations"). We, that was: Werner Klug, Paul …

  • Article from 06.07.2020 | Last changed: 04.10.2023

    Risk management in river basins

    … shortcomings in accident prevention had taken on alarming proportions by the 1970s. UBA addressed the problem and in the years since then has formulated a comprehensive … in accident prevention became the centre of focus after the Sandoz spill, and UBA seized this opportunity to then develop a comprehensive risk management strategy … Working through the International Commission for the Protection of the Rhine (ICPR) UBA advanced the idea of increasing safety levels at installations by also improving …