… 2012 and are particular popular among teenagers and young adults. In 2015 more than 100 events were held in Germany and in 2014 more than 250,000 people had visited … holi powders contain up to 70% of fine dust (particles with a maximum diameter of 10 μm), a fact that is often overlooked when assessing holi colours solely as a …           Associated content Holi-Colours contain particulates (particle diameter < 10 µm); light microscopic picture Source: Umweltbundesamt Holi-Colours contain …

… and the United Kingdom (1969) as well as the European Union (1983), Ireland (2010) and Spain (2019) agreed to help each other in the event of shipping accidents … carcasses), no waste may be disposed of from ships into the sea. Since January 2013, these regulations have been in force worldwide. Stricter regulations apply in … global merchant fleet had to ratify it. Germany ratified this convention on 20 June 2013. Finland's accession to the Ballast Water Convention on 8 September 2016 as the …

… level Desiccated soil Source: magdal3na / Fotolia.com last update on 09.10.2015 Background The need for fertile soils is increasing due to the growing … capacity. Soil degradation is an ongoing process which affects an additional 5-10 million hectares each year (for comparison, Austria has an area of 8.4 million …

… Europe today spends 90 per cent of their time indoors. We breathe anywhere between 10 and 20 m3 of air per day, depending on our age and how active we are. The indoor … of the carcinogen that is associated with a theoretical cancer risk of 10 -6 after lifetime exposure must be identified. The concentration corresponds to … carbon monoxide (2021) With the decision on the 48th meeting on November 4 and 5, 2013, the ad hoc working group suspended its 1997 guide values for carbon monoxide …