Campaigners of a sweeping plastics treaty climb buildings, hand out soap and cover art with waste

GENEVA (AP) — A Swiss ocean protection group is handing out bars of soap in cardboard boxes, with a simple message that reads: “no dirty tricks, vote for a clean plastics treaty.” Some delegates from the Geneva-based foundation have been wearing wristbands that measure chemical exposure from plastics.

As negotiators working on a global accord to end plastic pollution approach their Thursday deadline, proponents of a sweeping treaty are finding different ways to get their message across.

They face steep odds: several countries, including the United States, oppose any agreement that would put a limit on plastic production.

Here are some of the campaigners’ tactics:

A ‘cheeky’ stunt

As Thai diplomat Jutha Saovabha walked to the treaty talks Wednesday morning, Gallifrey Foundation spokesp