Elon Musk has pledged to donate $1 million to a campaign that hopes to plant 20 million trees around the world starting on January 1. He even changed his Twitter name to Treelon. Twitter CEO Jack Dorsey followed suit with a $150,000 pledge of his own. The campaign, #TeamTrees, is spearheaded by the YouTube influencer Jimmy Donaldson, aka MrBeast, in collaboration with the Arbor Day Foundation. It hopes to plant the trees on every continent except Antarctica between January and December 2022. According to the campaign website, #TeamTrees and the Arbor Day Foundation are focused on planting new trees because “forest restoration has the most global climate mitigation potential compared to all other natural climate solutions.” They cite a 2017 study …that suggested reforestation would be the best means of keeping Earth’s temperature from rising more than 2 degrees Celsius.