ScienceDaily: Dispelling the notion that urban “green” spaces help counteract greenhouse gas emissions, new research has found — in Southern California at least — that total emissions would be lower if lawns did not exist. Turfgrass lawns help remove carbon dioxide from the atmosphere through photosynthesis and store it as organic carbon in soil, making them important “carbon sinks.” However, greenhouse gas emissions from fertilizer production, mowing, leaf blowing and other lawn management …