MADRID, Feb 09 (IPS) – Pulses and meat are both needed as part of your diet, however… While the total emissions of greenhouse gases from global livestock amount to 7.1 Gigatonnes of Co2-equivalent per year, representing 14.5% of all anthropogenic emissions, pulses have root nodules that absorb inert nitrogen from soil air and convert it into biologically useful ammonia, a process referred to as biological nitrogen fixation.