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Episode 1
Two technology entrepreneurs harness the power of solar energy to solve two different problems: water contamination in Ghana and jungle preservation in South America.
Episode 2
Two pioneers in electric power both aim to develop technologies that reduce carbon emissions - both using electric motors and batteries in aviation and speedboats.
Episode 3
Scientists around the world are working on projects dealing with space and space travel - extraterrestrial life, colonising Mars, the Big Bang and rocket development.
Episode 4
Engineers are working on streamlining vehicles to improve fuel consumption and speed. Plus, a solar-powered car competes in an endurance race.