Circular economy (CE) is an economic model that use efficiently resources through waste minimization and seeks to maximize the utility and value of products, components and raw materials, always. It is an opposite model to lineal economy that have been predominately in the last decades. CE limits the exploitation resources and dependence on fossil fuels and the transition to a circular economy requires actions and policies. Different countries have dissimilar ways of adopting and promoting goals to move towards CE. The following chapter summarizes information, governance and research in Europe, South America and Chile in agriculture waste management, including Food donations law. Reuse of plastics from agriculture; reuse of agricultural waste in agriculture; reuse of waste from other sources in agriculture. Future research to reduce agriculture waste and food waste have been identified.