Social activist investors make more headway when they attack the financiers and backers of problematic industries than going after the industries themselves.
They were able to convince PC Bank to curtail funding for mountain top removal mining. Hopefully this will have the intended effect of reducing this environmentally injurious practice.
This method of forcing corporations to stop harmful practices could be used in a wide array fields. The staff here at NobodyisFlyingthePlane hopes to see more of it.
NYTimes: A New Tack in the War on Mining Mountains