A new report found that 56 companies could be responsible for a majority of the world's plastic pollution.

Environmental advocacy nonprofit 5 Gyres Institute had more than 100,000 volunteers collect and log nearly 1.9 million plastic waste items in 84 countries between 2018 and 2022. In that audit, 50% of the waste they found was unbranded. Of the branded portion, they found that the top five companies responsible for that waste were the Coca-Cola Company (11%), PepsiCo (5%), Nestle (3%), Danone (3%), and Altria (2%), totaling 24%. Combined among all the top polluters, 56 companies contributed to more than 50% of the branded count.

In its findings, 5 Gyres suggests a "paradigm shift" in how polluters are regulated, urging governments to institute voluntary or mandatory initiatives to limit plastic production.

This comes after environment nonprofit CDP released its own data on April 9, asserting that thousands of companies aren't taking the necessary steps to curb their plastic pollution in their value chains. CDP — which runs a global disclosure system for companies and regions to manage their environment impact —found that just 21% of nearly 3,000 companies that provided data were cognizant of the risks linked to their plastic-related activities.