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border security

Border Wall Will Deliver A Huge Blow To Biodiversity
Sukanya Charuchandra | Jul 25, 2018
Thousands of scientists around the world sign a statement that warns the existence of 1,500 species will be imperiled if President Donald Trump’s wall is erected.
Opinion: Controlling Invasion
Chenghai Yang | Oct 14, 2012
Remote sensing helps control an invasive giant weed that threatens ecosystems and border security.