The document discusses airport land use compatibility and sustainability practices in the United States. It provides an overview of the US airport system and the roles of different government agencies in airport land use planning. It then discusses key considerations for ensuring compatible land uses near airports, such as restricting development in noise contours and limiting tall structures and wildlife attractants. The document also outlines sustainability practices at US airports, including increasing public awareness, improving stakeholder involvement, and initiatives to reduce emissions and increase energy efficiency.