This is the third round of talks to develop an international legally binding deal that includes plastic waste in the ocean.
The Amazon Cooperation Treaty Organization agreed on some policies but not a unified goal to end deforestation.
The summit ended with support for creating a "zero draft" treaty ahead of the next negotiations at Nairobi in November.
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.
Little more than 60% of all refugee children are able to go to primary schools, versus 90% among all children globally.
IBM, which helped develop the standards, said they offer policy guidance for governments and stakeholders worldwide.
The biggest beneficiaries are likely to be the E.U., Mexico, Japan, Canada, South Korea, India, Australia and Brazil.
Corruption has wide-ranging impacts. Transparency International says ordinary people can fight back.
Beyond the repercussions in Washington and Beijing, international organizations said the tit-for-tat tariffs will undercut a broad array of global development efforts.