Celebrate Earth Day: Goin’ to the Dogs at Harvest Square (1.5 hours / Easy walk with your favorite pooch; roots and rocks on trail) It’s the 47th Earth Day on this year. Join hike leader Chawn Wade and the reps from the Greater Huntsville Humane Society – along with some very adoptable hounds. Dogs on leads are especially welcome! Directions: From University Drive/Hwy 72, travel north on Jordan Lane/Hwy 53 for 9.2 miles. Harvest Square Shopping Center is on the right at corner of Hwy 53 and Jeff Road. Harvest Square Nature Preserve is just east of the Publix Market on Allyson Sadie Blvd.