Is Your Favorite Tree an Invasive Species?
Some superstar trees in the US are actually invasive to their ecosystems. Blossoming cherry trees, for example.
Can CRISPR Save Tufty Fluffytail?
The native red squirrel population in the UK has been decimated by the encroachment of its American cousin, an invasive species. Could a "gene drive" help?
When a Cultivated Tree Goes Rogue
The Callery pear was meant to help prevent fire blight from destroying the commercial pear industry. Then it became invasive.
A Primer on e-DNA
eDNA is DNA that an animal sloughs off into its environment through feces, shedding, or lost skin. The technology can detect invasive species.
Is Human Mistreatment of Animals Killing Our Planet?
Most people treat animals as tools for improving human lives. But recent reports reveal (mis)treatment of animals is harming the planet as a whole.
What If We Had All the Birds from Shakespeare in Central Park?
According to birding lore, two of America's most invasive bird species were introduced by a misguided Shakespeare fan named Eugene Schieffelin.
Invasive Species: Pro And Con
Are invasive species always bad? Maybe they aren’t, according to an increasingly common point of view among ecologists.
Are Mute Swans a Harmful Invasive Species?
Mute swans are the poster child for a harmful species protected by strong public goodwill.