Parks could 'deteriorate and become the preserve of the wealthy' unless action is taken to save them, Policy Exchange suggests http://telegraph.feedsportal.com/c/32726/f/579309/s/3da9e05b/sc/7/l/0L0Stelegraph0O0Chealth0Chealthnews0C110A440A440CPeople0Eliving0Enear0Egreen0Espaces0Eshould0Epay0Ea0Epark0Elevy0Bhtml/story01.htm