UN General Assembly
1971

47. But scientific progress, together with growing industrialization and the increase in demographic density, has brought into being certain negative aspects that threaten to alter the biological balance in practically all regions of the world. This is not a necessary and therefore unavoidable result of progress. Contamination of the human environment is a consequence that can be rationally controlled. There is no incompatibility between economic development and conservation of the environment. They can both exist concurrently. What is needed is a way to ensure their reconciliation.