What About the Ozone Hole? part of CLEAN Collection

This video provides history on product development by General Motors and other industries that led to the release of Chlorofluorocarbons (CFCs). It explains the connection between global warming and ...

Living Landscapes: Assessing Climate Change Impacts on Fish part of CLEAN Collection

Interactive map tool to assess how rising stream temperatures could affect native fish of the Northwest. Lesson concepts include the relationship between water temperatures, dissolved oxygen levels ...

Hands-on Greenhouse Gas Molecule Models part of CLEAN Collection

This short Youtube video shows a visual model of greenhouse gases using tennis balls, explaining why carbon dioxide absorbs more heat energy than oxygen or nitrogen.

HEART Force Colorado Drought - High School part of CLEAN Collection

In this lesson, students analyze and synthesize data about how drought is measured, how scientists expect drought to change in the future, and how we can mitigate the impacts of drought in our ...

HEART Force Colorado Flood - High School part of CLEAN Collection

In this lesson, students analyze and synthesize data, and design local flood preparation strategies to answer the question, "What can we learn from past flood events to prepare for future ...

HEART Force Colorado Wildfire - High School part of CLEAN Collection

In this lesson, students analyze and synthesize data, and design local wildfire preparation strategies to answer the question "What can we learn from past wildfires to prepare for future ...

Polar Lab part of CLEAN Collection

Using a combination of clickable 360 degree landscapes, 2D and 3D videos, animations, interviews with scientists, and mini-games, the Polar Lab takes players onto the glacier ice and into the lab in ...

En-ROADS Climate Change Solutions Simulator part of CLEAN Collection

This climate simulation tool makes it intuitive to see how changes in energy, land use, agriculture, and other policies will affect Earth's projected temperature. Users move sliders on various ...

Mapping a Personal Story of Environmental Change part of CLEAN Collection

This is a very simple but effective lesson that engages students with drawing a map of their local environment, then annotating their map with environmental changes they've observed. The ...

The Last Time the Globe Warmed part of CLEAN Collection

This video primarily focuses on comparing the current global warming trend compared to a previous time in Earth's history when the global average temperature also increased.