about the importance of soil....https://mail.google.com/mail/u/0/#inbox/14deb9639c3a49d6
http://articles.mercola.com/sites/articles/archive/2015/06/13/healthy-soil.aspx?e_cid=20150613Z1_DNL_art_1&utm_source=dnl&utm_medium=email&utm_content=art1&utm_campaign=20150613Z1&et_cid=DM76821&et_rid=991311161

New Documentary Covers the Environmental, Economic, Social, and Political Impacts of Soil