… even net-zero emissions can be reached. At the same time, primary raw materials consumption can be reduced by 56 to 70 percent. However, the transformation also … for primary raw materials Natural carbon sinks: The extraction of already emitted CO2 from the atmosphere through natural carbon sinks (carbon dioxide removal CDR) … for primary raw materials Natural carbon sinks: The extraction of already emitted CO2 from the atmosphere through natural carbon sinks (carbon dioxide removal CDR) …

… Metals Metals and selenium are found in the environment in various different compounds. Their geogenic concentrations (background concentrations ) vary. Some metals and selenium are essential for organisms at low concentrations. last update on …

… Heavy Metals in Particulate Matter (PM10) last update on 26.05.2021 Heavy metals in ambient air rarely occur elementary but most of the time bound to particulate … for a longer time. It is regulated in the European directive 2008/50/EC .   … Heavy Metals in Particulate Matter (PM10) …