The correct answer is (d). World Environment Day is observed on June 5 every year. It is a day for people all over the world to come together to raise awareness about environmental issues and take action to protect the planet. The first World Environment Day was held in 1972, and it has been celebrated every year since then. The theme for World Environment Day 2023 is “Only One Earth.” This theme highlights the importance of living sustainably and protecting our planet’s resources.
Option (a) is incorrect because November 19 is the International Day for the Elimination of Violence against Women. Option (b) is incorrect because November 14 is the International Day for Tolerance. Option (c) is incorrect because October 2 is the United Nations Day.