App pays carbon credits, cryptocurrency, and cash for choosing responsible transit Nashville-based Hytch Rewards, lets users track their responsible transit, whether carpooling, using a ride share service, or using public transit. Hytch riders accumulate “Trees” as they use the app, which represent a certain amount of carbon credits from the Carbon Credit Capital organization. The app displays the amount of carbon offsets you’ve earned. The app is available across the country, allowing users anywhere to earn trees. It’s also inherently viral, as a user must connect with another in order to use rewards. (Hypepotamus)