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.

Two groups that want reduced plastics production published a report Friday highly critical of plastic credits, calling them a greenwashing tool that won't help with worldwide pollution from the material.

A devastating earthquake that toppled buildings across parts of Turkey and neighboring Syria has revived a longstanding debate locally and in neighboring Cyprus about a large nuclear power station being built on Turkey’s southern Mediterranean coastline.

Researchers at the Lawrence Livermore National Laboratory in California for the first time produced more energy in a fusion reaction than was used to ignite it, something called net energy gain, the Energy Department said.

Energy Secretary Jennifer Granholm was set to announce a “major scientific breakthrough” Tuesday in the decades-long quest to harness fusion, the energy that powers the sun and stars.