Structural unemployment is the type of unemployment that is caused by a massive change in industry.
For example, in the past newspaper delivery was a booming business since it is one of the main way people can receive their political information. Due to the development of websites and smart phones, this business can no longer thrive since it is far easier for people to consume their news on the site. This create massive unemployment in the newspaper industry.
The atmosphere of Earth is the layer of gases, commonly known as air, retained by Earth's gravity, surrounding the planet Earth and forming its planetary atmosphere.
