In order to measure Twitter’s ecological footprint, A new study conducted by Greenly a Paris-based firm with a professed interest in measuring the carbon footprint of companies and events – has examined the carbon footprint of Twitter says it accounted for the average number of tweets published per day (867 million), amounting to an estimated 316 billion tweets annually. Based on their calculation that a single tweet emits 0.026g in CO2-equivalent emissions, Twitter annual footprint amounts to 8,200 tons in (CO2e) emissions, the equivalent of 4,685 flights flying between Paris and New York.