What could smog, dust, and toads have in common? There's more than you might think. Each has been part of an environmental disaster that has harmed people and Earth in many different ways.
Imagine you live in London in the 1800s. You want to improve the quality of the air. Write a letter to the Prime Minister describing the steps you would take to reduce the smog in the air. Read these steps to someone in your family. Do they think your plan will work?