Celebrities have been taking to the skies in their private jets for years, but a recent study is pointing the finger at some celebs most guilty of poisoning the planet.
According to research gathered by Yard, a marketing agency that focuses on "metrics that matter," celebs like Kim Kardashian, Floyd Mayweather, and Blake Shelton have been polluting the air with tons of CO2e this year alone ... but no one has done it more than Taylor Swift.
According to Yard, T.