The Earth and Space: General Characteristics of Earth

Carbon dioxide is an important part of the air on Earth and in space. What is carbon dioxide? How is it measured? How can it affect us mentally and physically?

Learn about soil, soil texture and the various layers of soil.

Hurricanes are a kind of tropical cyclone. But where do they come from? And why do they cause so much damage? This article will answer all your storm-related questions!

Make a model of the water cycle and find out how water moves around on planet Earth.

Oceans absorb the greatest amount of solar radiation on Earth. Ocean warming can lead to glaciers melting and ocean acidification.

Explore the greenhouse effect and learn about the impacts it can have on the environment.

Explore how walking on soil changes how water soaks into the ground and why that matters to gardeners and farmers.

Can carbon offsets help you reduce your environmental footprint, practice sustainable living and fight climate change?

This backgrounder explains what greenhouse gases are and how they contribute to climate change.

Biofuels like ethanol might help fight climate change. But they can contribute to food insecurity and greenhouse gases in ways that might surprise you.

Create a model of ocean currents and learn how currents are formed.

The fracking process gets natural gases out of rocks. This process can have effects on freshwater, water quality and even earthquakes!

5 images of cumulus clouds that are white, puffy clouds with a flat base at mid level and are often associated with fair weather

10 images of some snowflake crystals and some winter scenes with snow

5 images of stratus clouds that cover a wide horizontal layer in the sky at low level and are often associated with rain or drizzle