Sustainability KPIs, or Key Performance Indicators, are metrics used to measure and track the performance of an organization in terms of sustainability initiatives. They provide insights into progress made towards goals such as reducing emissions, improving energy efficiency, and increasing the use of renewable resources. They also help organizations identify areas for improvement, set measurable targets for their sustainability programs, and ensure that their efforts have a positive impact on their bottom line. Sustainability KPIs should be tailored to meet the specific objectives of an organization, and should be tracked over time to ensure that progress is being made.