As a species, we’re a disaster for other living things on Earth, and, perhaps, ultimately, for ourselves as well.

Even those of us who are vegan are bad news for our non-human neighbors because you don’t need a gun or a slaughterhouse to do plenty of damage. Like the body, the planet is resilient, and species have always disappeared by the multitude, but how much is too much? The opening of “Killing Machines” an Economist review of New Yorker writer Elizabeth Kolbert’s book, The Sixth Extinction: An Unnatural History:

“BLEAK headlines abound about species on the brink. Monarch butterflies in Mexico are struggling. So are starfish in America, vultures in South Asia and coral reefs everywhere.

This is depressing stuff. It’s also a glimpse of the future. As the climate warms, catastrophe looms. Yet it is oddly pleasurable to read Elizabeth Kolbert’s new book, which offers a ramble through mass extinctions, present and past. Five such episodes in the past 450m years have wiped out plant and animal life on huge scales. A sixth appears to be upon us.

Ms Kolbert, who writes for the New Yorker, uses case studies to document the crisis. Setting out for Panama to investigate a vanishing species of frog, she learns that amphibians are the world’s most imperilled class of animal. Close to her home in New England, a fast-spreading fungus has left bat corpses strewn through caves. On a tiny island off Australia’s coast, she laments the degradation of the Great Barrier Reef by ocean acidification, sometimes known as global warming’s ‘evil twin.’

A new geological epoch may have arrived. Some scientists have dubbed it the ‘Anthropocene’ after its human perpetrators.”

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“The sixth extinction is being caused by an invasive species”: