Peace and Goodwill Message Poster for 1971. Themes: Themes: 50th annual message, benefits of science and technology, now danger to our environment, pollution and poison, languages and cultures in peril as well, neighbours to respect neighbours heritage, insist world cleaner and every nation has rightful place. Quotation: "Today, our environment is in danger of being polluted and poisoned. A special effort is need if we are to preserve human life and safeguard the existence of plants and animals. And there is no time to be lost. "