Jaguars are returning to America, but Fish and Wildlife Service don’t think they need protections

On Wednesday, the U.S. Fish and Wildlife Service announced a new regulation, effective immediately, that significantly reduces the designated territory for jaguars in the American southwest. The new and final rule removes 64,797 acres of the jaguar’s critical habitat designation, in compliance with an earlier court ruling. That leaves approximately 640,000 acres for the jaguars across Cochise, Pima and Santa Cruz counties....

Originally posted on salon.com

Do we need our wisdom teeth removed? Experts say this common procedure may be unnecessary

There is nothing wise about the way humans view wisdom teeth, according to many experts.

Wisdom teeth, or a person’s third and final set of back molars, are the last teeth to grow in one’s mouth. As far back as the 4th century BC, the Greek philosopher and polymath Aristotle chronicled how these teeth usually erupt around the age of twenty, although he noted cases of wisdom tooth eruptions in people as old as their eighties....

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From California to Greece to China, excessive water use and urbanization is collapsing the ground

A recent study in the journal Science analyzed dozens of Chinese cities, revealing that they’re slowly sinking. This phenomenon of the Earth’s surface literally being pushed down — technically known as land subsidence — is not limited to the tens of millions who will be impacted in China. From California to Greece, human activity is making the land under our feet more prone to subsiding than ever....

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Is cannabis actually green? Experts unpack the climate impacts of weed’s rising popularity

Cannabis is one of the fastest growing industries in the world, this year estimated to rake in more than $64 billion globally as more and more regions unravel marijuana prohibition. Germany became the third European country to legalize weed on April 1 this year, though only in limited amounts, while voters in states like Florida and Nebraska may decide to legalize the plant, potentially joining the roughly 74% of Americans who live somewhere cannabis is legally sold....

Originally posted on salon.com

Before reaching the ocean, the Colorado River becomes a trickle. New research reveals where it goes

The Colorado River is a 1,450-mile-behemoth, its raging waters carving their way through seven U.S. and two Mexican states. It is arguably the central attraction of the Grand Canyon, one of the world’s most famous natural wonders. But it does more than look beautiful — some forty million people depend on the river for their water and hydroelectric power, not to mention the fish and wildlife who also share it with us....

Originally posted on salon.com