Many of the world's largest shipping nations will decide on Friday whether to impose a tax on carbon emissions from ships.

Nations are trying to reach an agreement to charge commercial vessels a fee for their emissions in what would effectively be the world’s first global carbon tax.

President Donald Trump declared an energy emergency early in his term and is working to speed up fossil fuel development, which he sums up as “drill, baby, drill.”

The negotiations in Busan, South Korea, were supposed to be the fifth and final round to produce the first legally binding treaty on plastics pollution, including in the oceans, by the end of 2024. But with time running out early Monday, negotiators agreed to resume the talks next year. They don’t yet have firm plans.

Negotiators gathered in Busan, South Korea, on Monday in a final push to create a treaty to address the global crisis of plastic pollution.

Trump sums up his energy policy as “drill, baby, drill” and pledged to dismantle what he calls Democrats’ “green new scam” in favor of boosting production of fossil fuels such as oil, natural gas and coal, the main causes of climate change.

Amazon on Wednesday said that it was investing in small nuclear reactors, coming just two days after a similar announcement by Google, as both tech giants seek new sources of carbon-free electricity to meet surging demand from data centers and artificial intelligence.

Experts meet in Bangkok this week to advance what would be the first international treaty to tackle the surging problem of plastic pollution. Final treaty negotiations take place in South Korea in November.

For the first time in the process, negotiators discussed the text of what is supposed to become a global treaty. Delegates and observers at the Intergovernmental Negotiating Committee on Plastic Pollution called it a welcome sign that talk shifted from ideas to treaty language at this fourth of five scheduled meetings.