India set a new world record planting over 66 million trees in 12 hours. The Madhya Pradesh state used 1.5 million volunteers to plant the saplings along the Narmada river. – WTF Fun Facts
Source: https://www.theyouth.in/2019/02/05/india-breaks-guinness-world-record-plants-66-million-trees-in-just-12-hours/