A Cautionary Video About America

The thick-lined drawings of the Earth, a factory and a house, meant to convey the cycle of human consumption, are straightforward and child-friendly. So are the pictures of dark puffs of factory smoke and an outlined skull and crossbones, representing polluting chemicals floating in the air.

Which is one reason

The video is a cheerful but brutal assessment of how much Americans waste, and it has its detractors. But it has been embraced by teachers eager to supplement textbooks that lag behind scientific findings on climate change and pollution. And many children who watch it take it to heart: riding in the car one day with his parents in Tacoma, Wash., Rafael de la Torre Batker, 9, was worried about whether it would be bad for the planet if he got a new set of Legos.