Funny Or Die has lent some comedic star power to One.org's AIDS 2015 campaign with a hilarious new PSA.

In the clip, Zach Galifianakis, Sarah Silverman, Tracy Morgan, Chloe Moretz, Marisa Tomei and Isaiah Mustafa speak from the not-so-distant future of 2015, where boobs are gross and animals are much cooler.

It's also a time where AIDS is beginning to end... provided those of us in the present do our part now.

Calling for "The Beginning of the End of AIDS" by 2015, the campaign hopes to end mother-to-child transmission of HIV, provide treatment to 15 million people, and drastically reduce new HIV infections.

While the video is mostly an amusing look at the world three years from now, Galifianakis doesn't mince words: "Please get off your lazy fucking Western asses and think about the rest of the world for one goddamn minute, and stop worrying about your pathetic life and watching 'The Bachelor.' No one gives a shit."

Watch the clip above and then visit One.org to sign the petition and get involved.

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