Man, this video really induces high school flashbacks. A group of seniors at Atlanta’s Marist School created it as part of the Green School Alliance’s Green Cup Challenge. These fine, upstanding young fellas won the video part of the challenge by adapting Outkast’s So Fresh, So Clean to a greener message. The part where they hug trees is the best. Also this part:

The challenge didn’t only involve rapping teenagers, though: schools that participated actually tried to reduce their energy use over four weeks. Some of the most successful schools reduced their energy use by more than 20 percent. This stuff isn’t rocket science: They just turned off more lights, readjusted the thermostats, and in some cases replaced old equipment. So fresh. So green.

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