Carbon footprint of a Tweet, Energy/Tweet approx 100J, CO2 0.02 grams

greenm3.com (Apr 19 2010) Carbon Footprint , Microblogging

1. Every time you send out 140 characters over the social application Twitter, how much energy does that consume? According to some back of the napkin calculations from Raffi Krikorian, a developer for Twitter’s Platform Team, each tweet sent consumes about 90 joules. That means each tweet emits about 0.02 grams of C02 into the atmosphere. For the roughly 50 million tweets sent on average per day, that’s the equivalent of 1 metric ton of CO2 per day. (1 metric ton of CO2 looks kinda like this). Raffi Krikorian's passionate talk on energy use of a tweet starts at 2:50 into this video. It is only 5 minutes long. (Read Full Article)

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