… lesson lasts longer than 45 minutes. The IRK says that CO2 traffic lights can be used as an indicator of good or bad ventilation. Under normal conditions, a CO2 … | 13.08.2020 The IRK recommends - given the current state of knowledge about viruses - that the highest possible supply of fresh air should be provided indoors. …

… last update on 28.11.2023 GE-R-3: Information on pollen There is an increase in the use of available information contained in the pollen exposure risk index and in the … facilitate a personalised documentation of hayfever symptoms and the medication used. The number of newsletters distributed and also the use of the services offered … season. The pollen diary can also serve a patient’s GP or medical specialist as a useful aid in making a diagnosis and planning a therapy. In line with technological …

… foods via soils and thus into the human body. They are called forever chemicals because they are extremely persistent and can hardly be degraded under environmental … (France), elevated levels were measured in eggs from private farms. The suspected cause of this is an industrial area with a local flue chemistry. A case study from … of sum parameters can reveal PFAS contents that could not previously be determined using individual substance analyses. Monitoring data from North Rhine-Westphalia and …

… are also adding to the burden, now accounting for some 15 percent of the nitrogen used in the agricultural sector. Press release No. 50/2019 | 10.12.2019 UBA's … Nitrogen (N) is an elementary component of all living beings. Nitrogen is used as fertiliser in agriculture to increase yields. Excessive spreading of …

… will develop political, technological and market-based tools that aim to reduce the use and emissions of persistent and mobile substances as well as contamination from … will develop political, technological and market-based tools that aim to reduce the use and emissions of persistent and mobile substances as well as contamination from …

… change influences the soil properties, and consequently also the soil’s diverse uses. Furthermore, there are interactions with challenges posed by climate change, … tonnes of carbon. Hence, there is an equally high risk that – when destroyed or used unsustainably – soils become sources of CO 2 emissions. As climate change …

… examined, and per- and polyfluorinated alkyl substances (PFAS), which can be used to coat pans, for example, are also present in human blood in quantities that … to important chemicals. Press release No. 22/2022 | 27.04.2022 The EU regulates the use of chemicals and their placement on the market. Data must therefore be …