Fuente: WIPO "organic farming" The present invention is directed to methods for treating a gas stream by removing one or more targeted compounds from the gas stream into a liquid scrubbing solution. Such treatment of the gas stream may be performed to produce a liquid stream generated from or separated from the liquid scrubbing solution that comprises an absorbed form of the targeted compound that can be used directly or after further processing as a product, such as a commercial or saleable product, such as a fertilizer.