… Air Bestandsaufnahme und Wirksamkeit von Maßnahmen der Luftreinhaltung Durch den … zone comparative analysis transport emission effect 30-km/h speed limit forecast … Bestandsaufnahme und Wirksamkeit von Maßnahmen der Luftreinhaltung …

… Saving water: wise, overdone or practiced too excessively? Saving on hot water in … shows why and where it still pays to save water. … Saving water: wise, overdone or practiced too excessively? …

… lessons for 6-12 year old pupils in Germany. It may therefore be necessary in some cases to adapt the worksheets to the situation in the countries where the material …

… Year of publication August 2025 Author(s) Christopher Manstein, Yannick Heni, Aaron Best, Mark Meyer Further files Lesezeichen (154.59 kB) Language German Project No. …

… of Education and Cultural Affairs of the Länder in Germany (KMK) on proper airing practices in schools. The handbook reflects the UBA experts' recommendations on … Cross ventilation is ideal if windows on opposite sides can be opened. In both cases, the temperature in the room drops only a few degrees. People who are quick to … This is why mobile air purifiers are not suitable as a replacement, but at best as a supplement to active ventilation. If rooms cannot be ventilated, they are …

… President Dirk Messner of the German Environment Agency presented the awards to the best project entries at the end of "Climate Change Adaptation Week" in Berlin. The … the Environment and the Zentrum KlimaAnpassung (ZKA), during which examples of best practice in climate protection were presented for the first time at events …

… the room and do not replace the necessary supply of outside air. However, there are cases where air purifiers can supplement ventilation in a meaningful way. This is … the room and do not replace the necessary supply of outside air. However, there are cases where air purifiers can supplement ventilation in a meaningful way. This is … the room and do not replace the necessary supply of outside air. However, there are cases where air purifiers can supplement ventilation in a meaningful way. … …

… as cropland. The main reasons: land reclamation by deforestation, slash and burn practices, ploughing up of lands, and agricultural practices which are not adapted to the special conditions of its location. "Fertile …

… local authorities will be showing their citizens how sustainable mobility works in practice. 2,000 cities and municipalities from all over Europe are participating, … local authorities will be showing their citizens how sustainable mobility works in practice. 2,000 cities and municipalities from all over Europe are participating, …

… keeping minimum distances or wearing a mouth-nose cover.  Cross-ventilation is the best option with window ventilation because it quickly exchanges room air for fresh … active ventilation. At best, they can act as a supplementary measure in individual cases. For health reasons the IRK rejects chemical additives such as ozone to the …