This is a timeline poster about the environmental movement. It is a social movement that aims to protect and improve the natural world. It focuses on conservation, pollution control, and sustainable practices to ensure a healthy planet for future generations. This includes many goals, such as raising awareness, advocating for policies, and promoting individual and collective action to address environmental challenges.

The illustration shows a tree with fewer leaves to emphasize how polluted our world is and how harmful it is to the environment. While the colors are muted, which makes them seem dull and lifeless. However, the leaves still give a sense of hope that it will heal with time in the future.