Global warming is caused by gases like carbon dioxide and carbon monoxide accumulating in the atmosphere and trapping heat like greenhouse gases. The ozone layer protects life on Earth by absorbing 97-99% of the sun's high frequency light that can be damaging. Certain gases threaten these environmental processes.

1. Global warming

2. Ozone layer

4. The type of gases

5. Gases Greenhouses gases. Carbon monoxide. Carbon dioxide. This layer absorbs 97-99% of the suns high frequency light which is damaging to life on Earth.