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In this activity (on page 7), learners explore the meaning of a "carbon sink." Using simple props, learners and/or an educator demonstrate how plants act as carbon sinks and how greenhouse gases cause

Water treatment on a large scale enables the supply of clean drinking water to communities.

In this activity, learners explore the human influences on the carbon cycle and examine how fossil fuels release carbon.

In this lesson plan, learners examine some of the of greenhouse gas emissions sources in their community.

In this activity, learners play NOAA's Carbon Tracker game and discover ways to keep track of carbon dioxide and other greenhouse gases in the world.

In this activity, learners explore how various energy sources can be used to cause a turbine to rotate.