"Over the last half a billion years, there have been five mass extinctions, when the diversity of life on earth suddenly and dramatically contracted. Scientists around the world are currently monitoring the Sixth Extinction, predicted to be the most devastating extinction event since the asteroid impact that wiped out the dinosaurs. This time around, the cataclysm is us. In The Sixth Extinction, two-time winner of the National Magazine Award and...

"Today, an ancient world is vanishing right before our eyes: the age of giant animals. Over 40,000 years ago, the earth was ruled by megafauna: mammoths and mastodons, saber-toothed tigers and giant sloths. Of course, those creatures no longer exist, and there is only one likely reason for that: the evolution and arrival of the earth's only tool-wielding hunter, the wildly adaptive, comparatively pint-sized human species. Many more of the world's...

"A book for middle-school-aged children about previous extinctions and possible threats to humans, from volcanoes, to asteroids, to pollution and diseases"-- Provided by publisher. Scientists estimate that 99% of all species that have ever existed are now extinct. So it is not unreasonable to predict humans are doomed to become fossil records as well. But what could lead to our demise? Supervolcanos? Asteroids? The sun going dark? Climate change?...

"Every living creature contributes towards the richness and beauty of our planet. Each one has a reason to exist, from the giant panda to the pygmy possum, and if we lose them, it will be forever. Extinctopedia tells a complex story, not just of those who are extinct, but also of those in greatest peril, with explanations of what threatens their survival. It is also a story of hope-hope for animals who have been rediscovered, hope in the form of newly-discovered...