The TeamTrees campaign, started by YouTubers Jimmy Donaldson or 'MrBeast' and former NASA engineer Mark Rober, has surpassed its goal of raising $20 million to plant 20 million trees. Tesla CEO Elon Musk donated $1 million to the campaign, while Twitter and Square CEO Jack Dorsey contributed $350,000. YouTube CEO Susan Wojcicki who donated $200,000 was among the 5,00,000 donors.