Earth Day for the first time was observed in which year?
Earth Day for the first time was observed in which year?
پہلی بار ارتھ ڈے کس سال منایا گیا؟
Explanation
Earth Day was first observed on April 22, 1970.
It was founded by United States Senator Gaylord Nelson.
Purpose: Raise awareness about environmental issues and promote conservation efforts.