The Office of Natural Resources and Environmental Policy and Planning (ONEP) developed the Application MEK (Mitigation Engagement and Knowledge) to change the world as another channel to drive the implementation of the country's greenhouse gas reduction policy in a concrete manner. Able to track Thailand's greenhouse gas emissions at the project level Organizations and at the individual level continuously. Application MEK changes the world. It is designed to be accessible and easy to use. There are also interesting activities where users can participate in reducing greenhouse gas emissions and can redeem various rewards when completing activities. In addition, players can also share fun activities with other people as well by Application MEK to change the world.