Buying flowers is a Valentine’s Day standard, and few gifts make someone feel as admired as a big, vibrant bouquet. A study by Rutgers University researchers in 2005 concluded that flowers have both an immediate impact on happiness and a long-term positive effect on mood. People who are regularly around flowers demonstrate a higher sense of life enjoyment and satisfaction. They are a fail-safe gift that everyone loves. But have you ever considered the environmental impact of buying flowers?