Seventy percent of the air pollution in China is due to car exhaust. Under the umbrella of environmental chemistry, learners extensively explore air pollution. From the makeup of our atmosphere to sources of major air pollutants, classes...

In the summer of 1815, snow fell every month in New England. Was this related to the volcanic eruption of Tambora in Indonesia earlier in the year? Young scientists design their own experiments to research the long-term effect a volcanic...

Learn about the properties of the thin layer of gas that surrounds the Earth. Understand the mixture of gases that make up the atmosphere as well as the different layers. Also explained are issues that affect the atmosphere like the...

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.

What is air pollution? Discover the sources of air pollution, the effect of air pollution on health, the effects on the environment, and how you can help.