Scientists in Canada have invented an electricity-generating slime that could revolutionize medicine, robotics, and even how we power our steps.

Leon: I am Leon and this is Debbie. We are change champs, and we want to learn how electricity in our home affects the planet. Kids: Hi. Debbie: So we have invited green electricity expert ...

As the electrons flow through the cell, they generate electricity. On a much larger scale, solar-thermal power plants employ various techniques to concentrate the sun's energy as a heat source.

Leon: I am Leon and this is Debbie. We are change champs, and we want to learn how electricity in our home affects the planet. Kids: Hi. Debbie: So we have invited green electricity expert ...