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In this online Flash game, learners will explore a coral reef using an underwater remotely operated vehicle (ROV).

This activity has three story puzzles learners can solve to learn about life in the Arctic.

In this activity, learners model, on a human-sized board game, how changes in water temperature may affect fish distributions and, ultimately, fisheries.

Through discussion and hands-on experimentation, learners examine the geological (ancient) carbon cycle.

The objective of this inquiry-based lesson is for learners to gain an understanding of how increasing ocean acidity can affect the calcification of marine organisms.

In this very hands-on lesson, learners will investigate dendrochronology (the study of tree rings to answer ecological questions about the recent past) and come up with conclusions as to what possible

In this activity, learners conduct an experiment to investigate the effect of elevated levels on CO2 on plant growth.