This document discusses environmental sustainability in Sabah. It defines environmental sustainability as rates of renewable resource use, pollution creation, and non-renewable resource depletion that can continue indefinitely. It outlines Sabah's environmental sustainability framework and discusses key environmental indicators such as forests, biodiversity, water, air, and land. It then analyzes how Sabah's environment has been degraded through issues like air pollution, water pollution, land degradation, biodiversity loss, and forest degradation based on various environmental indices. Finally, it stresses the importance of sustaining Sabah's environment.