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Sandra Bullock has teamed up with Blake Lively, Lenny Kravitz and Dave Matthews for a new public service announcement urging fans to help restore the Gulf Coast in the wake of the ongoing oil spill crisis.

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The stars have filmed a PSA for Restore the Gulf, a grassroots initiative to secure long-term funding to clean up and protect the Gulf Coast and surrounding wetlands, which have suffered serious damage since a BP rig ruptured in April.

The video, which debuted on, is designed to encourage viewers to sign an online petition which will be delivered to Congress.

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In the clip, Bullock asks, "What can you offer? Your voice. Speak up!"

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Check out the video at