… While it’s difficult to calculate the carbon footprint of a single bouquet, experts estimate that sending 100 million roses (the number believed to be given in the United States on Valentine’s Day, another big flower holiday) produces some 9,000 metric tons of carbon dioxide emissions from field to florist. The average American household has a carbon footprint of 48 tons a year. – See more at: http://newsbusters.org/blogs/tom-blumer/2015/05/10/washpost-columnist-people-who-give-flowers-dont-care-about-mother-earth#sthash.ymmCwm20.dpuf