the dmr couldn't tell you who they belong to. where are the records? we don't know. no, dead end. man: there is, of course, a big coal-mining industry in south africa. it is multi-faceted, from mining to transportation of coal tall kinds of services in communities that have built up around the coal-mining towns of south africa. the coal-mining sector has been an extremely successful example of black economic empowerment, and now suddenly they've been told, "no, no, the future is green, the future is not coal." for them, this is a disaster because of their new investments into the coal sector that they see as possibly becoming stranded assets. [crowd chanting indistinctly] man: oh, the challenges that we find ourself into would be the low salaries to our members, and as the union, our role and responsibility is to fight for job security. the mines, some of them are closing because they are saying the export price has dropped and so on, so forth, the coal price has dropped, and so on, so forth. we are of the view that the price has been manipulated. week ago, the president was addre

tickerrading under the dmr.uces biodegradable material for consumer product companies like pepsi and picardi. joining me is the ceo. a nice pop. biodegradable plastic? what kind of technology are using to get there? stephen: this is natures form of recycling. plants capture carbon from the atmosphere. we take carbon from plants and feed it to bacteria. the bacteria converts the carbon in the vegetable oil into another form of carbon through pha. own process called just like humans, when they have enough to eat, if they continue to be fed they will continue to beat and they will store that carbon as energy reserves. while it is not technically i like the analogy that we break the wall open and extract the bug fat. that is plastic resin. you can use that polymer to make straws, plates, and whatever you want out of plastic. let me say they get into the -- it is the preferred food source for bacteria. alix: in layman's terms my straw will be made of bug fat? stephen: that's right. alix: awesome. stephen: it is not r