- A surprising amount of plastic pollution in the ocean may wind up in a previously overlooked spot: the skeletons of living corals. Up to 4 million pounds of microplastics may be stored in coral skeletons every year. Nearly 3% of the microplastics are estimated to be in the shallow, tropical waters. https://onlinelibrary.wiley.com/doi/full/10.1111/gcb.15920 3 comments science