Kids Research Express

Air Pollution, addition of harmful substances to the atmosphere resulting in damage to the environment, human health, and quality of life. O...

Most air pollution comes from one human activity: burning fossil fuels—natural gas, coal, and oil—to power industrial processes and motor ve...

Local and regional pollution take place in the lowest layer of the atmosphere, the troposphere , which at its widest extends from Earth'...

Air pollution can expand beyond a regional area to cause global effects. The stratosphere is the layer of the atmosphere between 16 km (10 m...

Pollution is perhaps most harmful at an often unrecognized site—inside the homes and buildings where we spend most of our time. Indoor pollu...

In an effort to enforce pollution standards, pollution control authorities measure both the amounts of pollutants present in the atmosphere ...