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muhammad yunus and recipient of the nobel peace prize. new book, "a world of three zeros: the new economics of zero poverty, zero unemployment, and zero net carbon emissions." reyes: a remote tribe in the ecuadorian amazon is giving up their traditional hunter-gathering way of life for the good of the environment. i'm elaine reyes in washington, d.c., and this is "americas now." [woman speaking spanish] reyes: firstst up, an award ceremony in ecuador seeking to promote environmental preservatition salutes sustainability projects in the americas. [speaking spanish] translator: the truth is we only have one planet, and we are certainly exhausting its resources. reyes: correspondent harris whitbeckep

muhammad yunus and recipient of the nobel peace prize. new book, "a world of three zeros: the new economics of zero poverty, zero unemployment, and zero net carbon emissions."

muhammad yunus joins us here in studio. f a new book, the new economics of zero poverty. thank you for joining us today. muhammad: thank you. scarlet: we talk about reforming capitalism as to replacing capitalism. explain what that is and how it enterprise where profit is not the only goal? the presence capitalist system, the machine that supports money all the way few people are owning more and more wealth. eight people in the whole world owning more wealth than the rest. we need to do something about it. slow-motionst a presentation, it is fast moving. unless we do that, it will be a ticking time bomb, creating social and political unrest and lots of social upheavals. it is one way of saying that maybe we should change the whole idea, the basic premise of the system, that all human beings are driven by self-interest. that gives the wrong impression. human beings are not about selfishness. they are also about selflessness. as we build on a selfishness basis, we have a need to solve problems and selflessness. scarlet: you wr