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The world faces many challenges today, ranging from pollution to overpopulation. But as long as one keeps searching for solutions, all's not lost. In this episode of "Our Better World," meet Carlos Eduardo Prazeres, a Brazilian musician who wanted to continue his father's work – of changing lives through music, by having a symphony orchestra in the shanty towns. His project has impacted thousands of children. Then, find out what the UK government is doing to better integrate clean energy into their power system.