TerraGreen founders and team members have been involved in renewable energy industry for more than 2 decades, during which time there was remarkable increase in demand for cleaner and safer life and the demand was growing exponentially. Their prime goal is to develop an energy saving cryptocurrency that focuses primarily on a sustainable economic system. The purpose of TerraGreen is to facilitate the so-called Energy Transition and move the next generation towards renewable sources for more efficient use.
TerraGreen airdrops 50 TGN token (~$0,08) to their airdrop participants for the following simple tasks. They also offer a referral program where you can earn additional TGN. TerraGreen is listed on Coingecko.