"Silent Spring": "Silent Spring" is a book written by Rachel Carson that highlighted the harmful effects of pesticides on the environment. It played a significant role in raising awareness about environmental degradation.
"Our National Parks": This book authored by John Muir showcased his love for America's natural landscapes. It inspired many people to take action towards preserving these areas.
Manifesto: A manifesto is a public declaration that outlines goals, intentions, or beliefs. In the context of preservation, various early environmentalists published manifestos to advocate for the protection of nature.