NASA
Nasa Earth Observatory: Clouds & Radiation Fact Sheet
This article highlights facts about clouds and their role in the Earth's climate change.
Scholastic
Scholastic: Dirtmeister's Science Lab: Weather or Not
Simple experiments for exploring clouds and cloud formation. You'll find out whether dust in the air helps cloud formation and discuss how dust helps meteorologists make weather predictions.
NASA
Nasa Earth Observatory: Changing Global Cloudiness
Learn what clouds are made of and how they form. Read reports from several different cloud observations and how the clouds effect climate.