1972 what slogan did the United nations conference on the human environment put forward?

Two environmental slogans. 1972 The United Nations conference on human environment put forward two environmental slogans: there is only one earth and the Declaration of the United Nations Conference on Human Environment. 1972 On 5 and 6 June, the United Nations held a conference on the human environment in Stockholm, Sweden, to discuss the environmental problems in the contemporary world and explore strategies for protecting the global environment. This is the first conference in human history to study and protect the human environment on a global scale.