… 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 …

… 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 …

… 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 …

… 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 …

… 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 …

… 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 …

… and volcanic eruptions. Dioxins (but not furans) are also present in 200 million-year-old kaolin soils. Dioxins are also formed in varying volumes in all chemical … 1990 thanks to dioxin reduction measures. That decline has slowed down in recent years and has even experienced a slight rise from time to time. Because dioxins are … region of the Baltic Sea have notably high dioxin contamination as a result of years of wastewater input and deposition. This is the reason why these fish can only …

… in Geneva (Switzerland) and carries out administrative activities. UBA is National Focal Point for SAICM In Germany, the Federal Environment Agency ( UBA ) acts as German …