Start gearing up for Earth Day at the GreenFest, a nature festival at Plant Park in Tampa, Fl. The festivities will run from 9 a.m. to 4 p.m. Sat., April 5, 2008-Sun, April 6, 2008. There will be vendors selling plants, garden accessories and supplies. There will also be speakers and gardening-related demonstrations. The festival supports restoration of Plant Park at University of Tampa, 401 W Kennedy Blvd., Tampa, Fl. Ticket prices are $3, kids younger than 12 free. For more information please call (813) 253-3333. Or visit www.greenfest.org.