In this activity, you will use an inexpensive spectrophotometer* to test how light at different visible wavelengths (blue, green, red) is transmitted, or absorbed, through four different colored water samples.

Charles Gatebe is a climate scientist who studies reflected sunlight to improve our understanding of the composition of the atmosphere and surface properties, including land and ocean, and impact on Earth's radiation budget and climate. Learn about how he conducts experiments and uses data from around the world.

Students explore positive feedback effects of changing albedo from melting Arctic sea ice.

Background information on the El Nino Southern Oscillation or ENSO.

In this 5Es lesson, students will uncover how changes in global air quality have impacted human health in cities between 2000 and 2019.