Over the next decade, Salesforce plans to conserve and restore 100 million trees. Mastercard plans to reach the same number in five years. Timberland is also planting trees: 50 million of them. Clif Bar is adding 750,000. Microsoft, which plans to invest in reforestation as one piece of a strategy to become carbon negative, is developing technology for conservation organizations. The companies are among 26 businesses, organizations, and cities that make up the new U.S. chapter of 1t.org, the movement to plant and conserve a trillion trees globally.