… R134a, a greenhouse gas harmful for the climate but still allowed in buses. Now several German and some European bus operators use buses with CO 2 -mobile air … for electric bus eCitaro at (2018) Buses with CO2 air conditioning at busworld fair (2015) Eco-Label “Blue Angel” Buses DE-UZ 59b buses with CO2 air conditioning in …

… has new award criteria for heat pumps since July 2023. Interested companies can now have heat pumps that meet the criteria certified by RAL gGmbH. The Blue Angel … friendly properties. The requirements include stricter minimum energy efficiency values for the operation of heat pumps than those prescribed by the Ecodesign …

… 2 (R-744) systems has increased considerably in recent years, meaning that they can now be operated efficiently and in a climate-friendly manner in all climate zones. … 2 (R-744) systems has increased considerably in recent years, meaning that they can now be operated efficiently and in a climate-friendly manner in all climate zones. …

… Multilateral Fund for the Implementation of the Montreal Protocol. The Parties must now look to sustainable alternatives in order to protect the environment and … Convention on Climate Change, the international community has agreed to use the GWP values of the IPCC 's Fifth Assessment Report. The GWP values of F-gases  are up to …

… 24.07.2019 The water safety plan (WSP) approach of WHO With the 2003 edition of the Guidelines for Drinking-water Quality, GDWQ , the WHO recommended a comprehensive … Verification is an integral part of a WSP in order to confirm that the limit values and requirements of the German Drinking Water Ordinance, as well as water …

… observed over many decades (probability approach). The damage potential describes values (buildings together with interior furnishing, industrial plants, traffic … observed over many decades (probability approach). The damage potential describes values (buildings together with interior furnishing, industrial plants, traffic …

… in indoor air should not be exceeded. The German Committee on Indoor Air Guide Values ( AIR ), consisting of experts from the federal government and the …

… / Fotolia.com The German Federal Environment Agency (UBA) is currently funding and guiding the research and development projects on nanomaterials and other advanced … UFORDAT in German and the corresponding number. last update on 23.04.2025 OECD Test Guideline development for nanomaterials: Transformation of nanomaterials under … zu nanoskaligem Titandioxid der OECD Working Party on Manufactured Nanomaterials 2015 Integrative test strategy for the environmental assessment of nanomaterials …