english: Do they even take the very waste matter that we have from food and fiber and so forth, and turn it back into soil and sequester carbon -- take carbon out of the air in the process of using our cities?
non_english: Využívajú odpad napríklad z potravín, vláknin a tak podobne a vrátia ho naspäť do zeme a odoberú oxid uhličitý - oxid uhličitý zo vzduchu v procese používania našich miest?