Teaching our kids about the planet, its resources, and how to appreciate and protect them is one of the most important tasks ...

After all, children understand that trash can harm animals, choke water plants, and contaminate groundwater. But true stewards of the planet inspire people outside the family to keep the Earth clean.

Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life. With a radius of 3,959 miles, Earth is the ...