The image is a hand-drawn sketch on a notebook page. The sketch is done in black ink and is divided into different sections. 

The top section of the page has a list of notes and diagrams related to the topic of air pollution. The notes are written in a neat and organized manner, with each note having a title and a brief description of the topic. The diagrams are colorful and detailed, with illustrations and illustrations of different types of air pollutants.

In the center of the image, there is a diagram that shows the different levels of pollution in the air. The top left corner of the diagram has a label that reads "Air pollution" and the bottom right corner has a description of how the pollution affects the environment. The bottom left corner has an illustration of a plane flying over a body of water, with a line graph showing the amount of pollution and the number of people affected by it. The diagram also includes a legend that explains the meaning of each color and the different symbols used in the diagram.