Mass extinctions may not threaten distant futures, but…

“It’s] pretty clear that times of high carbon dioxide—and especially times when carbon dioxide levels rapidly rose—coincided with the mass extinctions,” writes University of…

— Peter Brannen

With respect to phenomena like mass extinction, somebody might say why worry about it because in a geological perspective mass extinctions aren't so bad,…

— Richard Lewontin

In the history of the world, all five mass extinctions have been accompanied by massive climate change, so we are facing an incredibly serious…

— Cameron Russell

“Another expert, David Jablonski, characterizes mass extinctions as “substantial biodiversity losses” that occur rapidly and are “global in extent.”

— Elizabeth Kolbert

We tell our children they're trapped like rats on a doomed, bankrupt, gangster-haunted planet with dwindling resources, with nothing to look forward to but…

— Grant Morrison

“Recent studies funded by Britain’s Natural Environment Research Council provide support for those concerns. (Thomas, et al, 2004; Stevens, et al, 2004) While there…

— Bruce H. Lipton

The extinctions ongoing worldwide promise to be at least as great as the mass extinction that occurred at the end of the age of…

— E. O. Wilson

For thousands of years it has been understood that, just as civilizations have to come to an end, there can even be times of…

— Peter Kingsley

“Don’t believe tree-huggers who claim that our ancestors lived in harmony with nature. Long before the Industrial Revolution, Homo sapiens held the record among…

— Yuval Noah Harari

“In ordinary times—times here understood to mean whole geologic epochs—extinction takes place only very rarely, more rarely even than speciation, and it occurs at…

— Elizabeth Kolbert

It saddens me that in the 21st century, with all our knowledge and power, we are hearing more and more stories of possible extinctions…

— Gisele Bundchen

“The romantic contrast between modern industry that “destroys nature” and our ancestors who “lived in harmony with nature” is groundless. Long before the Industrial…

— Yuval Noah Harari

“Intent on their small extinctions, they are ignorant of the greater death going on all around them.”

— Guy Haley

The more we heat up the planet, the more it costs all of us, not just in money, but in colossal famines, displacements, deaths,…

— Rebecca Solnit

Often extinctions in the ocean occur at the same time as those on land. Then again, the ice age extinctions lost many big animals,…

— Robert T. Bakker