The correct answer is A. Prevent and reduce waste.
Explanation
Environmental sustainability is the balance that is generated through the harmonious relationship between society and the surrounding nature. This implies achieving development without threatening natural resources and without compromising those of future generations. In that sense, it is considered environmental sustainability, beyond being a specific area of human development, should be the axis of any form of development. Additionally, one of the ways individuals can contribute to environmental sustainability, it by reducing and preventing waste because human waste harms the environment, for example, plastic pollutes natural environments and affects the species that live there, breaking the harmonious relationship that is necessary for environmental sustainability. So, the correct answer is A. Prevent and reduce waste.