The Guardian recently reported the conflicts over water in Chile between mining and logging companies and, well, most everybody else.
A large carnival was held in response. About 6000 people attended the march (one report says 10 0000) to deliver their message of frustration with the on-going water problems in Chile.
There a number of other articles on this issue, which cover the relationship between mining and water from a few different angles, see here, here or here.