A last round of negotiations on a legally binding treaty to address the global scourge of plastic pollution has opened in Busan, South Korea.

Many nations hope to reduce the half a billion tons of plastic made each year. But pushback from plastic and oil producers, and Donald Trump’s election, could scuttle an agreement.

The global production of plastic has reached almost half a billion tonnes each year, more than double the amount produced 20 years ago. Several countries are now holding talks in South Korea’s Busan f

Negotiators gather in Busan, South Korea on Monday in what's billed as a final push to address the global crisis of plastic pollution. It's the fifth time the world's nations are convening to craft a legally-binding plastic pollution treaty.