melissa chan.jazeera central california. >>> troubling for communities who rely on the oil industry, like native american populations in north dakota. john hendren has their story. >> for native americans in north dakota, the oil boom is as much a curse as a blessing. >> life has become harder. it's crazy that our people, our own people who love and fought and died their ancestors to hang on to what they have left, some are freely getting up and saying i don't want to live there anymore and they move. >> the oil underneath the ground in the desolate north dakota, has earned the native american nation he a fortune. profit from drill sites on their property but for most lifestyles have gone down, crime traffic deaths and cost of living have gone up. >> there's money always, but the con is the drugs heroin is the big one. >> comes from here the mha nation but many members of that nation say they wish it had been left in the ground. >> so oil hasn't made everything better? >> no. it made it worse you k

melissa chan al jazeera, san francisco. >> tough assignment, melissa.t night on this show, we here is how a different billionaire and his wife are spending their fortune. i'm talking about bill and melinda gates. the bill and melinda gates foundation has got an endowment of about $42 billion. they recently committed more than $500 million to reducing the leading cause of death and disability in developing countries. i sat down in davos with sue desmond hellman to see where all of that is going. >> we try to go into areas like poalpoalpoaltpolio, like malaria. what we're trying to create is a condition where people who might be spending their time on other illnesses that affect rich countries, will start to work on countries that affect the poor. like ebola to lean in on eebl ebola and we found that important companies, gsk merck are going into trials. clinical trials are expensive so additional capital is needed for clinical trials, manufacturing getting it done. >> let's talk about market failure. there are probably three ways that market surveil your.

melissa chan has more. >> reporter: it's a prospector's map to hidden treasure, only the map is of spaceasure lies in in asteroids. private space company plan tory resources believes rare earth metals could be mined from these asteroids, metals that are to date mostly mineed in china. >> the ability to accessory sources in that environment as opposed to digging up the earth and hauling things up out of the gravity well of earth that is a change in the economic equation. of the cost of doing business in 135eu678s the prosin. >> reporter: the prospect ter the arc. it's to sends probe to his collect and bring samples back to earth but it may be decades before real payback happens for investors in asteroid mining. and there are setbacks like this one. one of planetary resources telescopes headed for testing in space was destroyed in the rocket explosion. >> stage one separation. >> reporter: many other commercial space companies lost equipment being sent to the space station for testing. >> putting things in on torbett onto orbit is not a trivial task. >> reporter: it was the same for his co

investors everywhere starting to see what the buzz is all about, malaysia chan al jazeera, san francisco. >>> tough assignment melissa night on the show we talked about how the billionaire coke brothers plan to spends a billion influencing elections in 2016, here is how a different billionaire and wife are spending their fortune and this is bill and melinda gates and cofounder of microsoft and it's one of the largest foundations and has $42 billion and recently committed $500 million to reducing the leading cause of death and disability in countries and i sat down with sue helpman who heads the foundation to see where all the money is going. >> we try to go in areas like e bow, like polio and may particular yeah where the market has failed the poor unlike the rest of capitalism we cannot depends on private companies on their own to go in the areas and we try to create a condition where people who might be spending their time on other illnesses that effect rich countries will start to work on problems that impact the poor. so in e ebola is using companies to lean in on ebola and company importants like gsk and j and j