The correct answer is Denmark. India scored the lowest among 180 countries in the 2022 Environment Performance Index (EPI). EPI is an analysis by researchers of Yale and Columbia University which provides a data-driven summary of the state of sustainability around the world. India ranked at the bottom with a total score of 18. 9, while Denmark was the top scorer as the worlds most sustainable country. Important Points The United States placed at the 20th spot of the 22 wealthy democracies in the global west and 43rd overall. The conclusions from the EPI analysis suggest that efficient policy results are directly associated with GDP per capita. The steps taken for climate action initiated by policymakers and stakeholders in leading countries demonstrate that focused attention can mobilise communities to protect natural resources and human well being.