Skip to main content Skip to main menu Skip to footer

Search

Help

4129 - 4140 of 4302
  • Article from 21.08.2023 | Last changed: 10.10.2025

    Heat pumps

    Luft-Wasser-Wärmepumpe

    … / Adobe Stock Heat pumps are coming into increasing use for heating of buildings and for hot water production in commercial as well as industrial applications. Heat … friendly because the global warming potentials of these refrigerants are very low and no persistent degradation products are formed from the emitted refrigerants. … for this. The distinction is often made on the basis of the significantly higher output ranges of industrial heat pumps. Large heat pumps are also used in …

  • Article from 30.06.2024 | Last changed: 30.05.2024

    Supermarket refrigeration

    indoor sight of a supermarket

    … refrigeration Supermarkets should cool climate friendly, energy-efficient and without fluorocarbon. Source: Bernard Bailly / Fotolia.com According to the VDMA, around 36,500 centralized refrigeration systems and over 540,000 plug-in refrigeration units were installed in German supermarkets, discounter, hypermarkets and other food retail stores in 2017. Fluorinated refrigerants are still the most …

  • Article from 08.10.2020 | Last changed: 10.10.2025

    Application domains and emission reduction

    Application domains and emission reduction Fluorinated greenhouse gases, which are used as refrigerants, blowing agents, propellants, fire extinguishing agents and solvents, contribute to global warming. This has prompted the development of … scenario (KWS). The emission reduction potential of direct emissions is generally higher compared to indirect emissions, independent of the scenario. From all …

  • Article from 20.07.2023 | Last changed: 10.10.2025

    Emissions and degradation products

    Look from outer space: the Indian Ocean

    Emissions and degradation products Sun and clouds over the Indian Ocean Source: NASA Fluorinated greenhouse gases (F-gases, … (HF) the persistent and very mobile trifluoroacetic acid (TFA) can be formed. … Emissions and degradation products

  • Article from 04.04.2024 | Last changed: 04.04.2024

    Fluorinated greenhouse gases and fully halogenated CFCs

    blue sky and white clouds

    Fluorinated greenhouse gases and fully halogenated CFCs Some fluorinated greenhouse … IPCC 's Fifth Assessment Report. The GWP values of F-gases  are up to 23,500 times higher than those of CO 2 . Impact of F-gases Whereas classic greenhouse gases are …

  • Article from 02.08.2019 | Last changed: 19.08.2019

    Information on the O3 exceedance table

    … exceedances in the current year at the measuring stations of the German States and UBA. last update on 02.08.2019 Target values To protect human health ozone … 3 on more than 25 days in a year (averaged over 3 years), EU Directives 2002/3/EC and 2008/50/EC ). The long-term target is for exceedances to not occur at all. … tables of the preliminary, continuously recorded data recorded at its own stations and in the German States measuring network in order to provide the public with …

  • Article from 29.12.2022 | Last changed: 02.01.2023

    Identifying and managing flood risks

    Comprehensive and river basin-wide management is needed to deal with floods.

    Identifying and managing flood risks Comprehensive and river basin-wide management is needed to deal with floods. Source: Jörg … und kommunale Daseinsvorsorge.   Wasser und Abfall 23, 13–18 (2021). …   … Identifying and managing flood risks

  • Article from 06.03.2025 | Last changed: 06.03.2025

    Formaldehyde

    Gronspanplatten gestapelt

    … of formaldehyde in indoor air. Source: Pixelot / Fotolia.com Wood-based materials and consequently also furniture and building products made from them may contain formaldehyde as an adhesive … In addition to the aforementioned effect on the mucous membranes when inhaled, higher concentrations of formaldehyde in indoor air can have an irritating effect on …

  • Article from 23.04.2025 | Last changed: 23.06.2025

    Research and development projects on nanomaterials

    Nano structures

    Research and development projects on nanomaterials Nano structures are more than … / Fotolia.com The German Federal Environment Agency (UBA) is currently funding and guiding the research and development projects on nanomaterials and other advanced materials …

  • Article from 28.11.2019 | Last changed: 13.02.2020

    Nanotechnology

    Nano structures

    … an human hair Source: eugenesergeev / Fotolia.com Nanotechnology involves research and development, production and processing of structures and materials on a nanometre scale. Nanotechnology deals with the production and

  • Article from 11.09.2017 | Last changed: 31.08.2023

    Publications

    … Banks, E. W., Posselt, M., Jaeger, A., Portmann, A., Sahm, R., Kusebauch, B., Lewandowski, J., Ward, A. S.: Combined surface-subsurface stream restoration structures … Mohr, S., Sahm, R., Baschien, C.: Laboratory conditions can change the complexity and composition of the natural aquatic mycobiome on Alnus glutionosa leaf litter. … sampling fish assemblages in oxbow lakes of the River Rhine. Fisheries Management and Ecology 29 (6) (2022), 851-857, https://doi.org/10.1111/fme.12587. 2021 Sahm …

  • Article from 15.03.2016 | Last changed: 15.03.2016

    Dioxins

    Dioxin

    … Dioxins The dioxin database includes data analysis, reports and publications on dioxins Source: Umweltbundesamt The term 'dioxin' commonly refers to a group of chlorinated dioxins and furans of similar chemical structure. The group of dioxin compounds consists of … at temperatures of 300 °C and above and is destroyed at temperatures of 900°C and higher. Dioxins can also form as a result of forest fires and volcanic eruptions. …