We're working with you to make a positive impact around the world in more than 35 countries, all 50 United States and your backyard. Support our work
The Nature Conservancy is working to prevent and control the spread of invasive species in all 50 states and across more than 30 countries around the world. Together with our partners we are focusing on prevention and early detection as the most effective strategies to combat invasive species.
Our forest health team invites you to view our new documentary and find out how you can help trees in North America.
Would you know an invasive species if you saw one? Check out our guide to backyard invasives.
No habitat or region is immune to the threat of invasive species. Learn More
Our animated video shows just how scary invasive insects can be to our forests when firewood is moved. Learn more.
Established in the United States by gardeners who admired its leaves, it is now wreaking havoc on wild lands by displacing native species. Learn More
Pacific Islands are under attack from invasive ants, and Conservancy scientists and partners are working to stop the invasion. Learn More.
Closeup view of a Zebra mussel from the Detroit River. The Detroit River is a 32-mile international connecting channel linking Lake St. Clair and the upper Great Lakes to Lake Erie. © Center for Great Lakes and Aquatic Sciences
Once an invasive species is established in an aquatic ecosystem, it's almost impossible to eradicate. Learn more
Whether scary or exciting, nature has a way of sneaking up on you. See stories
Hear some of nature's success stories and see how nature matters to us all. Watch videos