Issued in 1968 by the United Nations, this 6-cent stamp commemorates the launch of the World Weather Watch, a global meteorological program aimed at improving weather forecasting and climate observation through international cooperation. The design features a large radar antenna beaming toward overlapping depictions of Earth, symbolizing global connectivity and data exchange. The words “World Weather Watch” appear prominently in red, conveying the importance of coordinated atmospheric monitoring. This issue highlights the UN’s scientific initiatives promoting safety and environmental awareness on a planetary scale.