How a giant tree's death sparked the conservation movement 160 years ago | Leo Hickman Mammoth Tree
Spearheading a global conservation movement: Marine World Heritage 2018 annual report
This is a source from the Library of Congress. It includes a timeline of the Conservation Movement in the United States. Some of the information included in the timeline includes the push from Congress for the conservation and establishment of the National Parks and the Federal Water Power Act.
Pleistocene Rewilding: a controversial "proactive conservation" movement that seeks to recreate Ice Age ecosystems by transplanting modern equivalents to extinct species - image by Sergio De la Rosa Martínez