Students create a box plot of arable land per capita for 15 countries in a math-science integration lesson

Every Picture Tells a Story

Aerial view of Irving, Texas shows green space among school, homes and roads.

Green Spaces

Unit for elementary grades covers how human populations grow

Why do Populations Grow?

Student in the library with reference books to look up information on world geography and demographics

Look It Up!

Students measure the length of themselves holding hands and calculate the length of one million people holding hands

Millions and Billions

Ocho mil millones de personas: cómo enfrentar el futuro como una familia global (8 Billion People: Facing the Future as a Global Family)

Colorful paperdolls

Population Clock

Skeleton of a dodo, the bird is one of the most well-known examples of human-induced extinction

The Sixth Extinction

Unit for elementary grades covers population density

Everyone Shares Spaces