ecosystem

Through the Smoke: Truth & Misconceptions about the Amazon Fires

In late August, the Amazon was aflame, and so was social media. Everyone from regular citizens to celebrities and politicians wanted to express their outrage. But in the rush to retweet and regram, some people forgot to fact-check.

The longstanding and oft-tweeted claim that the Amazon acts as the “lungs of the Earth,” producing 20 percent of our oxygen? It’s simply incorrect, says Jeffrey
Chambers.

American Mastadon: Did Forests Edge Out Megafauna, Or the Other Way Around?

Why does North America have so many trees and so few elephants?

One of the many mysteries in the fossil record is the late-Quaternary extinction, that wholesale shift of plant and animal life as the Ice Age ended at the close of the Pleistocene and the beginning of the Holocene, a die-off that included about half of the world’s large-bodied animals. Forests grew up, and into the tar pit went the saber-tooth tiger, giant horses, five-ton sloths, and honking big mammoths and mastodons.

From the Spring 2016 War Stories issue of California.
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