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A satellite image of Mauna Loa, Hawaii, depicting snow-covered peaks.

The Breathing Biosphere and Human Contribution

In this Click & Learn, students explore factors that contribute to patterns seen in the Keeling Curve: a continuous record of atmospheric CO2 starting in 1958.

Earth Science
Environmental Science
Science Practices
Click & Learn
High School — General
High School — AP/IB
College
Image from the interactive

Paleoclimate: A History of Change

This interactive module examines Earth’s past and present climate, highlighting the effects of two important factors: solar radiation and the composition of the atmosphere.

Environmental Science
Earth Science
Click & Learn
High School — General
High School — AP/IB
College
Image from the interactive

Geological History of Oxygen

This interactive module explores how the changes in oxygen levels throughout Earth’s history have impacted the planet’s environment and types of life.

Earth Science
Click & Learn
High School — General
High School — AP/IB
College