Inc. has published an article about this petition and the 230,000 signers who have so far joined to call for a plant-based burger at McDonald's. 

"There certainly seems to be plenty of demand in this country for a meatless McDonald's burger. According to healthy living advocate Kathy Freston, whose Change.org petition to McDonald's has more than 225,000 signatures," Inc. says. 

You can read the Inc. article here: https://www.inc.com/peter-economy/mcdonalds-may-soon-reveal-a-surprising-new-product-that-is-a-huge-threat-to-burger-king-wendys.html