- how modern humans have altered the natural world
- conservation work of Indigenous communities
- extinction of megafauna like dire wolves and woolly rhinoceros
- the risk of deforestation highlighted by Notre Dame's destruction
- the extinction crisis reflected by endangered bird species in Hawai'i
- fish scarcity driving demand and price, like the single blue-fin tuna fish that sold for three million dollars
- importance of "action archaeology"
Braje examines how historical roots offer a necessary baseline for a healthier Earth, because understanding how the planet used to be is fundamental to creating effective restoration efforts moving forward through urban forests, sustainable food webs, and more. Understanding Imperiled Earth offers an illuminating, hopeful, and actionable approach to some of the world's most urgent problems.