Oil and plastic producing nations and lobbyists sought more emphasis on recycling instead of production cuts.
This is the third round of talks to develop an international legally binding deal that includes plastic waste in the ocean.
A new report's evidence of threats and retaliation extends to 12 of the U.N. Human Rights Council's 47 member nations.
About 69% of all the plastics produced, mainly through fossil fuel burning, are used just once or twice before they are thrown away. About 22% is mismanaged. Just 9% is recycled.
The estimated annual social and environmental costs of plastic pollution range from US$300 billion to $US1.5 trillion.
The U.N. health agency had rejected making an emergency declaration three times before, but said it now fears the deadly virus disease could spread to neighboring countries.
Delegates to the global decision-making body will tackle ways to strengthen emergency response and restructure the agency.
After an emergency meeting, WHO’s director said he accepted a panel's recommendation to skip an emergency declaration.
The court in Rwanda convicted 61 people who bore the greatest responsibility, but eight fugitives remain at large.
The U.S. State Department said ICC chief prosecutor Fatou Bensouda can visit the U.S. only for "official U.N. purposes."