Thailand joined the international community in marking World Environment Day Sunday with not-so-good news. The country's 2022 environment performance index (EPI), prepared by a Yale University research team, slipped 30 notches from last year's 78th ranking to 108th.
The research team uses 40 performance indicators across 11 issue categories in ranking 180 countries on climate change performance, environmental health and ecosystem vitality, which when combined indicate the level of sustainability.
