Where: Arts District, Dallas
View Larger Map When: Friday, April 22, 10 a.m. to 5 p.m.; Saturday, April 23, 10 a.m. to 5 p.m. What: More than 100 civic, corporate and nonprofit partners are lined up for this inaugural two-day celebration in the heart of Big D. The aim is to educate Dallasites on various ways to think, work and live green in their day-to-day lives. More info: earthdaydallas.org