Mexico’s agriculture ministry, known as Sagarpa, is investing close to 37 million pesos (US$2.9 million) in biogas-to-power projects on the Yucatán Peninsula, hoping to build on a similar effort begun—but later abandoned—by the Dublin-based carbon-trading firm AgCert. AgCert’s initiative, launched in 2005, aimed to reduce carbon emissions at pig farms in four Mexican states by collecting manure in sealed reactor tanks, known as digesters, and burning the resulting methane. Though carbon dioxide is produced in such combustion, the process is positive from a climate-protection standpoint because methane is over 20 times more potent than carbon dioxide when it comes to warming the atmosphere. The AgCert investment program, which focused on large farms in Sinaloa, Sonora, Jalisco and... [Log in to read more]