The timeline contains at least 10–15 events related to the topic being studied.

The timeline contains at least 10–15 events related to the topic being studied.
The timeline can be organized in the following time periods: 1500–1700, 1700–1900, 1900–1950, 1950–2000, 2000–present.
You will create a timeline that incorporates important early writing, the first conservation groups, disasters, legislation, community and nonprofit activism, and more. Within each time period, you can include the following.