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  • Article from 02.08.2024 | Last changed: 02.08.2024

    Climate friendly mobile air conditioning for buses

    a black and yellow bus of the BVG with inscription "CO2"

    … by buses in Germany. This equates to emissions of 154,000 tons carbon dioxide per year. For the purpose of illustration, this is about the same amount as the carbon … by buses in Germany. This equates to emissions of 154,000 tons carbon dioxide per year. For the purpose of illustration, this is about the same amount as the carbon …

  • Article from 26.03.2019 | Last changed: 19.02.2020

    Building air conditioning

    A lot of room air conditioners hangig on the face of a building

    … This solution combines a low cost heat source with a heat sink that is available year round. District heating is also a suitable heat source. The UBA’s new office … This solution combines a low cost heat source with a heat sink that is available year round. District heating is also a suitable heat source. The UBA’s new office …

  • Article from 21.08.2023 | Last changed: 10.10.2025

    Heat pumps

    Luft-Wasser-Wärmepumpe

    … of heat pumps with natural refrigerants is recommended. A bonus of 5 percentage points is granted for such heat pumps. From 2028 onwards, only heat pumps with … of heat pumps with natural refrigerants is recommended. A bonus of 5 percentage points is granted for such heat pumps. From 2028 onwards, only heat pumps with …

  • Article from 30.06.2024 | Last changed: 30.05.2024

    Supermarket refrigeration

    indoor sight of a supermarket

    … the energy efficiency of CO 2 (R-744) systems has increased considerably in recent years, meaning that they can now be operated efficiently and in a climate-friendly … HFCs such as R-1234yf and have only been available on the market for a few years. The phase-out process also leads to increased prices for HFC refrigerants. … the energy efficiency of CO 2 (R-744) systems has increased considerably in recent years, meaning that they can now be operated efficiently and in a climate-friendly …

  • Article from 08.10.2020 | Last changed: 10.10.2025

    Application domains and emission reduction

    … agents and for numerous foam product applications. It is only in recent years that certain processes and products that use halogen-free substances have … the hydrocarbon appliances should be given preference from an economic viewpoint as well.   Associated content Links Promotion of energy efficient …

  • Article from 27.06.2025 | Last changed: 10.10.2025

    German emissions of fluorinated greenhouse gases

    … 2000. Since 2018, there has been a clear downward trend. In  comparison to the base year 1995, F-gas emissions fell by almost 40% to 9.95 million tonnes of CO2 … 2000. Since 2018, there has been a clear downward trend. In  comparison to the base year 1995, F-gas emissions fell by almost 40% to 9.95 million tonnes of CO2 …

  • Article from 20.07.2023 | Last changed: 10.10.2025

    Persistent fluorinated greenhouse gases

    The atmospheric concentration increases. It was 10 ppt in 2020.

    … used in a variety of ways. In Germany, their emissions have been falling in recent years. Measured atmospheric concentrations continue to rise due to longevity. PFCs … used in a variety of ways. In Germany, their emissions have been falling in recent years. Measured atmospheric concentrations continue to rise due to longevity. PFCs …

  • Article from 04.04.2024 | Last changed: 04.04.2024

    Fluorinated greenhouse gases and fully halogenated CFCs

    blue sky and white clouds

    … climate-damaging substances of particular concern: hydrofluorocarbons (HFCs) Many years of negotiations culminated on the night of 15 October 2016: the Parties to the … the production and use of HFCs and follow up with reductions in the subsequent years (HFC phase down). Whereas developed countries must start with a freeze in … targeted substitute agents or alternative technologies. This is the starting point of Regulation (EU) No 517/2014 on fluorinated greenhouse gases as well as …

  • 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.

    … Floods are divided into "frequently occurring events" (occurring every 10 to 25 years), "moderate" (occurring at least once in 100 years or less frequently), and "rare events/extreme events" (occurring once in 200 …

  • Article from 06.03.2025 | Last changed: 06.03.2025

    Formaldehyde

    Gronspanplatten gestapelt

    … Health-related Evaluation of Building Products ( AgBB ) has been active for many years in defining and regularly updating limits for emissions of substances … Health-related Evaluation of Building Products ( AgBB ) has been active for many years in defining and regularly updating limits for emissions of substances …

  • Article from 28.11.2019 | Last changed: 13.02.2020

    Nanotechnology

    Nano structures

    … characteristics, behaviour, and effects of nanomaterials gained during the last years allows to point out which aspects need to be considered for the testing and assessment of … characteristics, behaviour, and effects of nanomaterials gained during the last years allows to point out which aspects need to be considered for the testing and …