The Ocean Cleanup, a Dutch nonprofit working to rid the oceans of plastic pollution, has announced a $25 million commitment from Airbnb and Samara co-founder and Giving Pledge signatory Joe Gebbia.

The largest private donation to The Ocean Cleanup to date will support expanded operations—cleaning up the existing legacy plastic floating in the ocean while also addressing new emissions of plastic flowing into the ocean from rivers—as well as the launch of System 03, the latest iteration of the organization’s ocean cleaning system, in the Great Pacific Garbage Patch later this year. System 002, a pilot-scale ocean cleaning system, that has been deployed in the Great Pacific Garbage Patch, has removed nearly 440,000 pounds of plastic that otherwise would have remained trapped for decades or more.

“I’m proud to partner with The Ocean Cleanup in their crucial work to remove harmful plastics from our oceans,” said Gebbia. “The Ocean Cleanup has created systems and technology that actually work at scale. In order for them to deploy across our oceans and rivers, they now need to scale their funding. It is my hope that this donation can inspire others to act.”

(Photo credit: The Ocean Cleanup)