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The EPA released its "Report on the Environment," a comprehensive set of indicators that track environmental changes over time. The website has interactive graphs and maps.

This interactive investigation explores these questions: - What evolutionary processes have affected the distribution of Earth's species today and in the past? - How do scientists study past evolutionary processes on Earth? - How do graphs and charts help scientists test their hypotheses?

"here are 40 maps, charts, and graphs that show where our food comes from and how we eat it, with some drinking thrown in for good measure."

"What is the Earth Exploration Toolbook? The Earth Exploration Toolbook is a collection of computer-based Earth science activities. Each activity, or chapter, introduces one or more data sets and an analysis tool that enables users to explore some aspect of the Earth system. Step-by-step instructions in each chapter walk users through an example - a case study in which they access data and use analysis tools to explore issues or concepts in Earth system science. In the course of completing a chapter, users produce and analyze maps, graphs, images, or other data products. The ultimate goal of each activity is to build user's skills and confidence so they can use data to conduct their own investigations of the Earth system."

"In this activity, undergraduate students learn to use satellite and aerial imagery, maps, graphs, spreadsheets, descriptive information, and statistics to compare energy and oil consumption rates between states in the United States and among various countries. They also use this information to explain these differences, as well as differences in categories of consumption, such as domestic, transportation, industrial, and commercial use. They are also asked for opinions regarding what measures countries should take toward reducing oil consumption. "