Closing down coal from the inside

Climate activists have a new tactic in their fight against Australia's coal industry. After years of trying to tear the industry down from the outside, they're buying up stock in coal and trying to use their shareholder rights to close the mines down from within. It's a radical move, and the first target in Australia is the major miner Whitehaven Coal. So what do the activists think they'll achieve? Today on The Signal we hear about the latest trend in shareholder climate activism. Featured: Michael Slezak, ABC National Science, Technology and Environment Reporter Julien Vincent, Executive Director and Lead Campaigner, Market Forces Martijn Wilder, Founding Partner, Pollination Liza McDonald, Head, Responsible Investing, First State Super