The 2026 Green Mountain Energy Earth Day at Discovery Green is all about renewable energy and its power to change the planet for the better. Visitors are invited to learn more about  EVs, solar, wind, water and other forms of renewable energy with all the fun interactive art and activities Houston has come to expect from Discovery Green. Watch chalk artists create live murals, enjoy musical performances, crafts for the whole family, exhibitors, food and more. Green Mountain Energy Earth Day is presented by Discovery Green in partnership with Houston Public Works Waterworks Festival. Community partners include Citizens’ Environmental Coalition and University of Houston, Downtown.

Together we have the power to save our planet. Find your place in the Earth Day community at Discovery Green. It’s free to attend and all are welcome.

The "EV Petting Zoo" is a space to check out EVs and talk to their owners, with no sales pressure. Find out what it is like to live with an EV day to day, check out the EV features, and discover how easy it is to charge!