Greentown Labs opens new incubator in Houston’s Innovation District just in time for Earth Day Re'Chelle Turner, KPRC Tags: HOUSTON – Thursday marks the 51st annual Earth Day, and changemakers are working to save and restore our planet’s rich biodiversity. World and city leaders across the world spoke about the climate change battle. On Thursday, Mayor Sylvester Turner attended the grand opening of Greentown Labs Houston Incubator on San Jacinto Street. Greentown Labs is accelerating the clean energy transition in the Energy Capital of the World. Turner also spoke about the cities Climate Action Plan. “This past year has been incredibly challenging for all of us,” he said. “From the novel coronavirus pandemic to historic floods and a winter freeze, Houston’s economy has seen it all.”