to ensure the education, health and happiness of out children also represents a vital investment in the future. Successful population policies are a prerequisite if other development efforts are to succeed. The third pillar should be the relationship between human activity and the environment, and recognition that all our efforts -individual, in enterprises and local communities, nationally and internationally -must build upon the concept of sustainable development. As military threats disappear and subside, ecological threats become more visible, and they now constitute the most serious preoqcupation of many people, notably those of the younger generation. Fortunately, the reduction of political and military tensions provides us with vastly improved opportunities to tackle the real challenges of our time, of which the development crisis in a major part of the world and the ecological crisis, which threatens the whole world, are the two most important. RH/16 A/S-18/PV. 3 72 (Mr. Vraalsen, Norway) The developed countries, which are responsible for the major share of global pollution and resource depletion, must also assume the main responsibility for finding solutions that can reverse the present unsustainable trends. Solution of the environmental problems will require the mobilization of significant new and additional resources. All countries and all international organizations must review their activities to make sure that they are compatible with the principle of sustainability. Any actions taken without due regard for their effects on Mother Nature will sooner or later prove to be counter-productive. Thus the Declaration should deal with how better to manage the global economy, how to improve the living conditions of all people and how to take care of the planet on which we all live. To complement and strengthen individual and national efforts, we also need to increase and improve international co-operation. Some new tools for this 
**Analysis**
The text appears to focus on the interconnectedness of human activity and the environment, highlighting the importance of sustainable development and the need for international cooperation to address global challenges. It also emphasizes the role of developed countries in finding solutions to environmental problems. These themes suggest that the text is primarily concerned with issues related to the natural resources and environment, as well as international cooperation.

**Category**
Natural resources and environment, International cooperation