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Invasive Species: Unwelcome and Costly

It’s called “Biological Invasion Costs”—the price tag on dealing with invasive species—and simply put, it’s a lot of money. The National Invasive Species Information Center of the US Department of Agriculture (USDA) shares some gargantuan global figures.

Invasive species
  1. Worldwide, since 1960, managing biological invasions has cost about $95.3 billion.

  2. During the same period, the damage cost of the invasions was more than $1.13 trillion.

  3. Like most everything else, invasion-associated management and damage costs are rapidly rising.

  4. Proactive, pre-invasion management spending is 25 times lower than post-invasion management costs.

  5. Countries all over the planet are declaring a National Invasive Species Awareness Week. In the US, it was February 28-March 4.

  6. There are more than 6,500 invasive species established across the United States.


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