Menthol Protocol is a multi-chain decentralized sustainability protocol that will automatically offset carbon emissions from user or dApp transactions with verified renewable energy and carbon credits from around the world. It is designed to be as composable and pluggable as possible. The vision of Menthol Protocol is to become the go-to multi-chain sustainability middleware for the DeFi and NFT space, enabling dApp developers and users to be climate-positive in a decentralized and automated way.