Kick-start a discussion of the importance of biodiversity with a colorful resource that touts the benefits of maintaining healthy ecosystems. The images stress the interdependence of all the elements of an ecosystem.

Commercial airlines took flight soon after the Wright brothers' famous first flights. Read about how the U.S. government encouraged the development of air travel.

Non-profit transportation organization that flies relief agencies around the world where humanitarian aid is needed.

The history of transportation in the United States is at the click of the mouse for specific modes. Activities and glossary are included. Geared toward primary students in content and navigation.

Smog City, an interactive air pollution simulator, shows students how human choices, environmental factors, and land use contribute to air pollution.

The U.S. Senate Committee on the Environment and Public Works website provides a summary and description of its responsibilities.

A biographical site about the man responsible for designing the sleek Vega that carried pilots on record-setting flights and for designing planes with a stressed skin over an internal frame.

You will find a series of calculators here for exploring what your carbon footprint on the Earth is, based on your use of air travel, your regular means of transportation, your household habits, and fixed carbon dioxide emissions for the...

Experience the first flight, through words, pictures, and actual quotes from the Wright Brothers about their real life experiences prior to, during, and after the successful flight.

This concise site contains a brief history of Byrd's life along with an easy to read chronology of major events in his life.

A succinct FirstFlight.org site that examines the trials and tribulations of the first flight across the Atlantic under the direction of Lieutenant Commander Albert Read.