It's all about Earth day on KSAT News Now! Our meteorologists explain what the day is all about and share ways they practice sustainability in their day to day lives. Plus a live interview with San Antonio Parks and Recs on Saturday's 'Earth day' event at Woodlawn park. Meredith Tilley says there will be over 50+ organizations, family friendly activities, food trucks and more. We introduce you to Spare Parts, a non-profit store running solely off "pre-loved" materials. Learn more about your ad choices. Visit megaphone.fm/adchoices