Arctic Climate System

Learn how the Arctic is a part of a global climate system in this video segment adapted from the National Film Board of Canada.

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Arctic Haze

In this video segment adapted from KUAC, find out why the horizon in Alaska is sometimes shrouded in pollution and what it means for climate change in the Arctic.

Arctic Sea Ice Satellite Observations

In this interactive activity produced for Teachers' Domain, learn how Arctic sea ice has changed over the past 25 years in terms of maximum winter extent, concentration, and the timing of breakup each spring.

Atmospheric Carbon Dioxide Levels

Earth is warming because of an increase in greenhouse gases, including carbon dioxide (CO₂). Explore what can be done to slow or stop continued climate change.

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Atrazine Affects the Water Supply

In this video segment featuring live-action animation, adapted from Big River: A King Corn Companion, see how the agricultural pesticide atrazine impacts both crops and human health.

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At the Core of Climate Change

Increasing greenhouse gases are contributing to global warming, which is changing our climate. Find out how scientists use data collected from ice cores to study climate change.

Avalanche Town

The impact of natural disasters is made vivid in this video segment adapted from NOVA. A small town in Iceland, prepared for recurrent avalanches, is devastated when one takes a new and damaging path.

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Bear Creek Wind Farm Tour

In this interactive, a construction project manager explains the process of constructing a wind farm, its challenges and benefits.

Bianca Goes where the Wind Blows

In this video from Cyberchase, Bianca and Mikaela want to fly a kite, so Bianca creates a wind gauge to test the strength of the wind in various parts of the park.

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Biofuels: Beyond Ethanol

In this video from QUEST produced by KQED, find out what scientists are discovering in investigating the newest methods for converting what we grow into what makes us go.

Biome in a Baggie

This ZOOMSci video segment shows how to create self-contained environments and explore how plants grow under different conditions.

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Biomes

This interactive resource adapted from NASA describes the different temperature, precipitation, and vegetation patterns in seven biomes: coniferous forest, temperate deciduous forest, desert, grassland, rainforest, shrubland, and tundra.

California's Lost Salmon

Salmon have disappeared from more than 40 percent of their range in the West. In this video from QUEST produced by KQED, learn about the important role these fish play in native ecosystems.

California's Water Supply

This resource developed from KQED's QUEST, uses California’s delicately balanced watershed as an example of how the water cycle operates.

Capturing Carbon

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.

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Capturing Carbon: Where Do We Put It?

In this interactive activity from NOVA scienceNOW, explore options for storing carbon dioxide in order to prevent further global warming.

Carbon-Fiber Car of the Future

In this video segment adapted from NOVA, find out how cars made of a material stronger than steel and half the weight can help combat climate change.

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Carbon Cycle Diagram

This diagram from NASA Earth Science Enterprise illustrates Earth's carbon cycle.

Caves and Karst

This interactive resource adapted from the National Park Service presents the key concepts of cave and karst systems, including how and where they form, different types, and various cave environments.

Changes in the Ozone Layer

This video segment produced by ThinkTV demonstrates how ozone is created in the upper atmosphere, explains its beneficial role, and explores the problem of ozone depletion.

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