The document discusses the concept of 'spaceship earth' and highlights the importance of environmental management in ensuring sustainable development amid diverse societal classes and ecological challenges. It outlines objectives for environmental management, including prevention of environmental problems, resource conservation, and the integration of multidisciplinary approaches for long-term planning. Additionally, it emphasizes the need for proper assessment and management of natural resources to mitigate pollution and support biodiversity, referencing significant frameworks like the Brundtland Commission and Agenda 21.