Invasive species—non-native plants and animals from other parts of the world that cause ecological harm—are one of the biggest threats to wildlife and their habitats in the United States.
Non-native invaders affect people’s quality of life and harm our pocketbooks by clogging drinking water pipes, killing trees and spreading diseases. Invasive species also affect our supplies of food—attacking a wide variety of crops, decimating commercial fisheries and making ranchlands unsuitable for grazing.
Climate change is expected to exacerbate these impacts by creating more favorable habitats and climates for many invasive species.
Once invasive species become established and spread, it can be extraordinarily difficult and costly to control or eradicate them. As a result, the best practices for dealing with the invasive species are to:
The National Wildlife Federation works to attack the problem of invasive species by:
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