Beyonce wants you to "take action" on Aug. 19. "Do one thing for another human being."

That's all.

Beyoncé, the United Nations and humanitarian aid organizations are launching a global campaign to encourage people around the world to get involved by doing something good for others on World Humanitarian Day.

The World Humanitarian Day music video for Beyoncé's song I Was Here will be filmed in the U.N. General Assembly Hall in New York in front of a live audience and released on the 19th, the group has announced. Beyoncé and songwriter Diane Warren are donating the video to the campaign.

The campaign website, which just launched, hopes to reach 1 billion people in a day with a single message.

"We all see the headlines and we think what can I really do to help?" says Beyonce in the release. "World Humanitarian Day is an opportunity for all of us to work together to make a difference. This is our time to leave our mark on the world and show that we were here and we care."

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