In a city that records among the highest asthma death-rates in the country, Chicago parks and lakefronts provide welcome respites for residents seeking green space and fresh air. With assets that encompass 8,700 acres, and more than 600 parks, 27 beaches, and 26 miles of Lake Michigan shoreline, Chicago Park District (CPD) significantly reduces its environmental impact and improves sustainability by using renewable and cleaner-burning biodiesel