SAN FRANCISCO (CBS) — A man is planning to swim from Tokyo to San Francisco.

Ben Lecomte says he’s swimming across the Pacific to bring attention to ocean pollution.

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A non-profit group is teaming up with him to collect data and samples.

“I know it’s a crazy feat, but sometimes that’s what we have to do to get the attention in order to get something moving,” said Lecomte.

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Lecomte plans to swim eight hours a day, making the journey about six months long.

The swim begins in spring.