THE TITLE OF FAGAN'S BOOK, "The Long Summer. .. " refers to global warming that began some 18,000 years ago with the end of the last Ice Age, and which has since continued. According to the author, Earth's climate has shaped civilizations. Fagan states: "Climate is, and always has been, a powerful catalyst in human history ...."
"The Long Summer: How Climate Changed Civilisation (Review),"
Rapa Nui Journal: Journal of the Easter Island Foundation: Vol. 18
, Article 11.
Available at: https://kahualike.manoa.hawaii.edu/rnj/vol18/iss2/11