Across the country, federal officials patrol airports and harbors looking for plants being smuggled across our borders. Many of those plants end up at the U.S. Botanic Garden's facility in Southwest D.C.
What happens when things that everyone expects to migrate just, well, don't? Much like an unwanted house guest who overstays his or her welcome, non-migratory Canada geese set up shop year-round. This causes problems for humans and the environment alike.
The investigation into the brown mess that spilled into the Anacostia River yesterday has now become a joint operation involving District officials and the U.S. Coast Guard. Even with that effort, however, no one is quite sure what exactly spilled into the river Monday night.
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