… exceeding 150 for mobile air conditioning systems in motor vehicles since January 2011. Thus the current refrigerant tetrafluoroethane (R134a) has to be replaced. Tests … substance in new passenger cars and similar commercial vehicles as of 1 January 2011. After 1 January 2017 the ban extends to the air conditioning systems in all new … page degradation products (TFA) of refrigerants UBA-Pressemitteilung Nr. 22/2021 vom 25.05.2021 German TV-programme on 1234yf in March 2013 Report on flammability …

… is not in use.    According to the Federal Association of Chimney Sweepers around 11.7 Mio so called “ single-roo m firing systems” are installed in Germany. They … (PM2,5) Related publications Determination of emission factors and emissions in 2020 and 2030 for oil- and gas-fired combustion plants not requiring a permit in the …

… are allowed access, air quality in inner cities becomes significantly better: 10 to 12% less particulate matter, equivalent to 20 fewer exceedence days. The German … are allowed access, air quality in inner cities becomes significantly better: 10 to 12% less particulate matter, equivalent to 20 fewer exceedence days. The German …

… percentages of total inputs 1995-2014 Source: Umweltbundesamt last update on 13.11.2023 Forms of reactive nitrogen Reactive nitrogen, unlike nonreactive molecular … a population of 83 million, this means limiting the release of nitrogen to around 12 kg N per person per year. Current forecasts suggest that the upper limit could be …

… are available in the archive. last update on 21.05.2025 Current issue March 2025 MAIN TOPIC Alternative protein sources for food and feed production Does climate … Fiack   Bundesinstitut für Risikobewertung, Max-Dohrn-Str. 8-10, 10589 Berlin E-Mail: pressestelle[at]bfr.bund.de  [BfR] Matthias Klaes Bundesamt für Strahlenschutz … their influence on ambient air quality | Particulate matter Pollution at New Year 2020 and 2021: Comparing two pollen traps in Berlin | Working aid for the …

… Climate and greenhouse effect Source: Umweltbundesamt 26.03.2020 UBA explanatory video: Greenhouse gases and greenhouse effect Climate is …

… Agency launches air quality app for Android and iPhone devices Air Quality 2020 – Preliminary evaluation Air quality 2019: Trend in NO2 decline continues …

… / Fotolia.com Scientists have observed a phenomenon for years in which workers mainly in new office buildings feel ill after extended periods of time at the … complaints vanish when these same people spend time elsewhere. last update on 07.11.2017 Inflamed mucous membranes or itchy skin The people concerned at first suffer …

… contributing to the protection of people and the environment. last update on 11.05.2017 Research for your health The German Environmental Surveys (GerES) are the …