Has Earth's atmosphere always been capable of supporting life? Discover how the air around us has evolved in the first video in a series of seven. Learners watch the amazing transformations that occurred within the atmosphere...

Nature has the ultimate recycling program — the Carbon Cycle! How do fossil fuels fit into this program? Pupils answer this question as they observe how all this added carbon serves to unbalance the cycle. Using the perspective of "new"...

Can one person really make a difference in the battle to reduce global warming? Absolutely! Viewers explore ideas for making less of an impact on our planet in the sixth installment of an eight-video series. Topics range from modes...

Do our vehicles really contribute to global warming? In part five of an eight-video series, pupils learn the mechanisms by which car emissions turn into greenhouse gases. Through animation, the class sees how the natural greenhouse...

How do we stop acid rain from forming or repair the damages it causes? The seventh and final video in the series presents learners with common methods of reducing the harmful effects of acid rain. Topics such as the scrubbers used...

Rain, rain, go away ... at least if your pH is below six! The sixth installment in a series of seven videos teaching about pollution and our atmosphere shows learners the facts about acid rain. Embedded pauses allow you to stop and check...

Is air making us sick? How exactly does air pollution contribute to illness across the world? Part five in a series of seven about the atmosphere addresses these questions and many others. This is a perfect resource to show during your...

Aren't all rocks the same? High school earth scientists can say "definitely not!" after viewing the second in a series of seven videos. Beginning with an easy analysis and comparison of sandstone and granite, class members follow the...

In an atmosphere that contains so much unusable nitrogen, how do organisms get the nitrogen they need to survive? The narrated video discusses how atmospheric nitrogen is converted into the materials we need to build proteins in our...

In the United States, motor vehicles cause around 75 percent of the carbon monoxide pollution, but how do we measure this pollution? The 21st video in a series of 30 discusses what we mean by molar volumes of gases. It...

What is a fossil fuel and why is it important? The video explains fossil fuels as an energy source and how they may be harmful to the environment. Nuclear energy is an alternative with its own implications. 

Introduce biogeochemical cycles and goes into detail about the hydrologic and carbon cycles. A scientific video engages learners and teaches them at the same time.

It's easy to take for granted the the importance of electricity in modern society, and even easier to overlook the environmental cost that is paid for all that energy. Watch as this video explores the detrimental impact...

Humans have become addicted to fossil fuels. From pumping oil into our cars, to burning natural gas to heat our water, or using coal to create electricity that lights our homes, we are constantly relying on these nonrenewable resources....

Hear how carbon functions on our earth and the purpose it serves. The carbon cycle is illustrated with narration for your junior high or high school biologists. Global temperature increase is also included, though the clip cuts off...

Did you know that natural gas is the cleanest burning fossil fuel? The cost of processing natural gas is significantly less than processing even nuclear and wind energy. In this fast-moving, upbeat video, viewers learn about the benefits...

Watch the distillation process as a female narrator explains what is happening. Ideally you would demonstrate this process or have advanced classes work in lab groups to perform it themselves. If time is short or materials not available,...

Explore the various sources of energy with your junior scientists. Rather than a video, this is a series of slides that the narrator simply reads aloud. Unless your learners have the energy to keep themselves alert, this may not be the...

Thermal power is electricity generated by the burning of fossil fuels. Through a series of video clips and computer animations, youngsters learn about how coal is used to produce useful electricity. The website provides quizzes that are...

In this video segment adapted from NOVA scienceNOW, a scientist, inspired by his daughter's science fair project, develops a synthetic tree to remove excess carbon dioxide from the air. [5:23]

Our world is changing dramaticlly. View these nine videos with links to related content that deal with the evidence of global warming, dependence on fossil fuels and the potential we have to stop the damage.

Understand the refining process that turns crude oil into gasoline, diesel fuel, aviation fuel, and other useful products with this video. [1:55]

What is the carbon footprint of a sandwich? Follow the path of a BLT from field to plate in this video and you will see a simple sandwich isn't so simple!

Is the hydrogen car the answer to global warming? This video segment adapted from NOVA/FRONTLINE looks at the pros and cons of this developing technology. Uses popups. [1:26]