Online resource for students and teachers to see information on icebergs, fisheries, coral reefs, waves, currents and more. Provides teachers with learning activities. Has its own ask-an-expert site (Ask Dr. Bob), and provides real-time...

Earth Day is a worldwide celebration held annually on April 22nd. The purposes of Earth Day, the history of and the various activities held around the world are described. Activities and projects that can be done daily or year round are...

In this module, we will explore the concept of pollution and discuss how human use of resources relates. We will discuss the evidence for and against human-caused climate change. Students will compare and contrast pollution cleanup with...

Take an interactive quiz over ecological problems affecting the environment. After completing the quiz, check your score, and then revisit any incorrect question for further review.

Site provides information on the Earth's atmosphere as well as offers additional information about Earth.