Geochemical systems and climate change

This web seminar is a comprehensive overview of climate change and the geochemical cycles. It provides an excellent description of how the Earth and the atmosphere interact. Two activities a... See More

This web seminar is a comprehensive overview of climate change and the geochemical cycles. It provides an excellent description of how the Earth and the atmosphere interact. Two activities are introduced: carbon dioxide sources and sinks and the traveling nitrogen activity. Emphasis is placed on the carbon, nitrogen and water cycles. This is a good resource.

Lab Idea for oceanic acidification

This webinar presented a new twist for the activity where students blow through a straw into a Bromothymol Blue solution. They used this activity to teach about oceanic acidification. The ... See More

This webinar presented a new twist for the activity where students blow through a straw into a Bromothymol Blue solution. They used this activity to teach about oceanic acidification. The seminar also presented some key questions that are great thought provokers. For example, are animals a carbon sink or a carbon source?