The Earth Day Festival and Solar Derby will take over Palmer Park at South Carrollton and South Claiborne avenues, 11 a.m. to 7:30 p.m. It’s a joint event by Louisiana Bucket Brigade and the Arts Council to commemorate the 2010 BP disaster. Also, the arts market will be held as usual. Free. (504) 523-1465.
The Herb Society hosts its spring plant sale, 9 a.m. to 3 p.m., at 2202 Gen. Pershing St. in New Orleans. Herbs, butterfly plants, annual and perennials will be available for purchase. (504) 899-3391.
The Pinch a Palooza festival is back with a crawfish eating contest, 610 Stompers, Mardi Gras Indians and kids’ activities. 11 a.m. to 9:30 p.m. at Deanie’s, 1713 Lake Ave., in Bucktown, Metairie. pinchapalooza.com