Technology is stepping up in people's quest to make the world a better place. Blockchain is one of the stars of this environmental-focused journey. Blockchain is the technology that allows cryptocurrencies like Bitcoin to work. The way we care for the earth is evolving because of blockchain and a concept called "Green Tokens." People can use it from the beneficial things they can do for the planet, like using green energy or planting trees. They can turn it into digital tokens on the blockchain. Experts are trying to improve sustainability efforts by providing these tokens. Know more about sustainability and blockchain from the blog Lars Winkelbauer | AI, Crypto, Blockchain and Sustainability.