Strand D: Earth’s Dynamic Climate

Learn about the categories, or phylum, of the plant kingdom with examples from each.

Learn about the important plant functions of photosynthesis, respiration and transpiration

Learn about how catalytic converters make vehicle emissions less harmful.

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?

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.

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

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.

These two “point-counterpoint” videos provide arguments for and against using nuclear energy to generate electricity.