"After the Pollutians had overused and polluted the Wump World, they fled to
another, cleaner planet. The Wumps were able to come out of hiding, but life
would never be the same for them. Science and Content Related Concepts
Industrialization, pollution, depletion of resources, environmentalism Content
Related Words Pollution, habitat, environment, factory, industry Activities 1. The
Wumps did not resist the coming of the Pollutians ..."