The correct option is A India
India was the global host of 2018 World Environment Day (WED), which was held on June 5, 2018. The theme Beat Plastic Pollution urges governments, industry, communities, and individuals to come together and explore sustainable alternatives and urgently reduce the production and excessive use of single-use plastic polluting our oceans, damaging marine life and threatening human health. The World Environment Day is a UN Environment-led global event and is the single largest celebration of our environment each year.