Curated OER
Images of Our Changing Earth
Young scholars identify and explain that remote sensing can detect changes on the Earth's surface that occur over time, and name at least three: urbanization, deforestation, and succession. They select a global change issue to...
Curated OER
Trouble in the Troposphere
Young scholars create graphs using NASA data, compare ozone levels of several U.S. cities, analyze and evaluate the data and predict trends based on the data, and discuss and describe how human activities have modified Earth's air quality.
University Corporation for Atmospheric Research
Ucar: Tropospheric Ozone, the Polluter
An in-depth overview of tropospheric ozone, which is largely considered a pollutant.
National Earth Science Teachers Association
Windows to the Universe: Air Pollution
What do smog, acid rain, carbon monoxide, fossil fuel exhausts, and tropospheric ozone have in common? They are all examples of air pollution. This article describes the causes and effects of air pollution.