The hero's name is an acronym of his task: Waste Allocation Load Lifter Earth-Class, thus WALL-E.

WSJ: 'WALL-E' Is Richly Human Tale of a Robot

Earth Hour does lessen the electrical load of power plants to some extent, thus making a small contribution for that hour by lessening the amount of coal burned.

FORBES: Moving Beyond The Symbolism Of Earth Hour

During that time, astronauts will load about 2, 300 pounds of cargo back on the ship, and then it will return to Earth on March 25, splashing down off the coast of Baja California.

FORBES: SpaceX Struggles, But Remains On Track To Space Station