that's all you can do. >> the navajo nation is vast and sprawling, a country in its own right existing within and with the united states. over the years, it has battled fierce economic problems. leaders have encouraged more young navajos to pursue higher education. that is helping build up this area, too, according to the president of the navajo nation, joe shirley, jr., who knows how much his community must rely on itself. >> it's a big battle. it's an uphill battle. but during the recession now, it's even worse. jobs are really hard to find because of the economy's on the downturn throughout. it's really hard to get businesses to come locate on navajo land to do business, to create jobs. >> reporter: the napi team is a model of efficiency, rigorous on-site soil and water testing protect quality and protectivity, a computerized