Discovery Green Park is the greenest place to be in downtown Houston. It features more than 12 acres of green lawns, dog runs, lakes, eco-friendly art displays and playgrounds. The buildings in Discovery Green Park were built using sustainable methods and sport LED light bulbs and solar power. Park managers use organic gardening and landscaping methods to keep the grounds looking pristine and use recycled groundwater to keep plants and trees from getting too parched. Oh, did we mention the on-site recycling center?