Why Would You Drain a Swamp?

Biologists think of swamps (and other wetlands) as wonderful places.1

Swamps control runoff from rain. Here in Pittsburgh, we’re actually working at constructing artificial swamps and wetlands. These swamplets will be far cheaper than the non-biological catch basins that were proposed. In a town focusing on tourism related to our riverlife, eliminating sewage discharge is a must.

Swamps purify water. The plants and microorganisms break down toxins, collect silt, and remove heavy metals from the water. Swamps purify water better than modern water treatment plants–and often cheaper as well.

Swamps protect against hurricanes. Besides acting as a buffer zone between human habitation and the ocean, swamps and other wetlands tend to rapidly suck energy out of hurricanes. Much of the increased hurricane damage costs is attributable to wetland destruction.

Swamps have great biodiversity. That means the environment people depend on for their survival is made stronger. Biodiversity means the web of interactions between organisms are complex–a great place to go “bioprospecting.” Very often, nature has already solved chemistry and biology questions of use to humans. Antibiotics and many drugs are modified versions of biological compounds. Enzymes catalyze reactions, requiring less energy and produce purer products. Swamps and wetlands hold new antibiotics and chemical pathways that, if we don’t kill them off, we might find and make money off of!

“Draining the swamp” is such a strange metaphor. If someone says that they are “draining the swamp,” they are actually saying they’re going to make the problems worse, make solutions harder, and endanger society.

I would be suspicious of that person. Maybe they just don’t know much about swamps.

Or maybe they do, and they’re hoping you don’t.

  1. WWF: The Value of Wetlands []

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