Correct option is A
World Environment Day is observed annually on June 5th. It's the biggest international day for the environment, led by the United Nations Environment Programme (UNEP).
Theme for 2024: Land restoration, desertification, and drought resilience. The slogan is "Our Land. Our Future. We are #GenerationRestoration." This theme highlights the importance of restoring degraded land and building resilience against desertification and drought.