Correct option is B
The correct answer is (b) Plastic pollution.
· The theme for World Environment Day 2018 was "Beat Plastic Pollution."
· The campaign aimed to raise awareness about the significant environmental and health impacts of plastic pollution and encourage global action to reduce plastic usage.
· Activities and events were organized worldwide to promote the reduction, reuse, and recycling of plastic products.
Key points of World Environment day:
· World Environment Day is celebrated annually on June 5th to raise global awareness and take positive environmental action to protect nature and the planet Earth. Established by the United Nations in 1972, it serves as the principal vehicle for encouraging worldwide awareness and action for the environment.
· The first World Environment Day was celebrated in 1974 with the theme "Only One Earth."
· The theme for World Environment Day 2024 is "Ecosystem Restoration," focusing on repairing billions of hectares of land, from forests to farmlands, from the top of mountains to the depth of the sea.