President Donald Trump criticized China, Japan, and other countries for dumping plastic waste into the oceans as he signed a bill to reauthorize a federal ocean pollution cleanup program.

Trump signed the legislation, dubbed the Save Our Seas Act , on Oct. 11, before his lunch with rapper Kanye West and football great Jim Brown.

The law reauthorizes the National Oceanic and Atmospheric Administration’s Marine Debris Program and directs the U.S. government’s help in addressing international waste...