… 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. …

… 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 …

… on the environment. Ecodesign, when applied consistently - from production to use to recycling - makes it possible to decouple consumption from resource and … (based in Munich, Bavaria)  This solution for natural drying of damp walls uses cushion elements filled with glass foam manufactured from waste glass. The … energy as it uses. The energy consumption includes building operation and energy used for operational power.  Zero Energy Classroom Category Young Talent A fur coat …

… food retail sector is already involved in this area. However, companies could use their influence and scope for action even more to steer the food system towards … makes up a small proportion of the product range, it emits 170 times more greenhouse gases than transport by ship. Animal welfare and social criteria also analysed … from publicly available sources as well as for internal company information using an individualised questionnaire. The current study highlights the current …

… in their first years of life. This means that around ten million nappies are used and thrown away every day, which is why it makes sense to take their production … air and energy consumption in pulp production. The fluff pulp may not be bleached using elementary chlorine. All of the materials in the nappy are subject to strict …

… air pollution is especially high on New Year's Day Even small fireworks can cause serious air pollution. Source: Jonas Stoll / Umweltbundesamt Particulate matter … half that amount, i.e. around 2,050 tonnes of particulate matter per year, which causes the high levels of pollution caused by the setting off of fireworks. Fireworks therefore account for almost one …

… clothing, kitchenware, dirt-repellent carpets and food packaging. They are also used in many industrial processes. The downside of the use of PFAS on such a colossal scale is that these chemicals are so stable that they …

… President Dirk Messner said: “The best kind of energy is the kind that doesn’t get used in the first place, something which has always been true and has become even more important in the current energy crisis. It is easy for private households to help in the effort: turn down the thermostat, install a water saving …

… – climate change remains greatest challenge The Brocken peak in the Harz, once used for espionage purposes, now lies in the Harz National Park. Source: ohenze / … as it is today. Electricity and heat in both East and West were largely generated using coal and oil. Accordingly, carbon dioxide emissions from the combustion of …

… of storm surges are added to this, which can affect the water balance and cause major damage. last update on 11.01.2022 Water Resources/ Water Management Low … Stress or failure of flood protection systems: Technical flood protection has been used for centuries. As a rule, the statistically calculated probability of … used for agriculture, and there are also isolated settlement areas and tourist uses. Overloading of the drainage facilities may occur more frequently in the future …

… 30 per cent more packaging waste than 20 years ago A returnable bottle replaces the use of up to 40 one-way bottles or cans. Source: Sauerlandpics / Fotolia.com The … that consumers are supportive of waste avoidance with many who have given up single-use bags", said UBA's President Maria Krautzberger during a campaign week of waste … waste in general rose by over 30 per cent between 1996 and 2014. Private households account for the majority of this due to packaging for beverages, groceries …

… planning.  This allows companies to reschedule their transports in time or to use smaller ships with less draught. If necessary, shipping companies have to adapt … to reduce damage to roads and railways Most damage to roads and railways is caused by flooding and undercutting due to heavy rain or flood events. To prevent … and lift abruptly as a result of the resulting stresses. This can be remedied by using heat-resistant asphalt mixtures. As an adaptation measure for storms, the …