The principle is as simple as it is ingenious. Waste from agriculture and forestry can be reused. This is how adhesives are made from waste wood or biofuel from straw. However, it is important to take a holistic view in order to avoid undesirable pollutants.You can read more about the EU research project and what to look out for in this type of reuse here.
Vigorous research is being carried out to remove unavoidable CO2 emissions from the air. This is how CO2 emissions can be removed from the air in the long term. The Center for Solar Energy and Hydrogen Research Baden-Württemberg, the DITF Deckendorf, the Institute for Energy and Environmental Research Heidelberg and Mercedes-Benz AG in Sindelfingen have now addressed this issue in a research project. Cellulose fibers seem to be the salvation. You can find the full article here.