Huge swathes of land and 75 percent of country's waterways have been polluted by unauthorised gold mining.<br /><br />Ama Boateng reports<br /><br />Subscribe to our channel http://bit.ly/AJSubscribe<br /><br /><br />Follow us on Twitter https://twitter.com/AJEnglish<br />Find us on Facebook https://www.facebook.com/aljazeera<br />Check our website: http://www.aljazeera.com/
