In a landmark shift, a new study has found that climate change is now the most pervasive human-caused threat to imperiled ...

Purple loosestrife, which is blooming 24 days earlier than it did a century ago, poses a serious threat to ... ground to exotic species? Botanists have learned that several invasive species ...

A three-year-old English springer spaniel dog named Alice is sniffing out invasive species to help protect ... Pegg said, "Globally, the threat of invasive pests and diseases is increasing ...

Some already threatened cold-water fish species in the Northwest will not only face shrinking habitat from climate change but also will face growing pressure from invasive fish species fleeing ...

A spawning redband trout from the Upper Klamath Basin. (Photo by Jonny Armstrong, courtesy of Oregon State University.) Some already threatened cold-water fish species in the Northwest will not ...