International Group Proposes Measures to Stop Invasive Species, U.S. May Wait Until 2021

Zebra mussels, a cousin of the quagga, attached to a native mussel. Courtesy U.S. Fish and Wildlife Service.

Putting your toes in the sand is one thing. Cutting your feet on a quagga mussel is another.

Quagga mussels, which wash up cracked and sharp on the shores of Great Lakes beaches, are one example of invasive species that have been mucking up the U.S. landscape for decades.

A new report from the International Union for Conservation of Nature says … Read the full story on TreeHugger