Green Infrastructure: New Term for Ancient Systems

There’s a new term for nature’s ecological services: Green Infrastructure. These green systems are beginning to replace “gray” systems in cities like Seattle. Green infrastructure can be restored wetlands, rooftop gardens, or permeable pavement that trap and filter pollutants before water flows into streams and rivers and is carried to…

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Grasslands More Diverse Than Rain Forests—In Small Areas

Sorry, tropical rain forests. Grasslands have the most plant species—at least when the area studied is smaller than a few parking spaces. In a recent study, biologists scoured data from previous papers about plant-rich ecosystems around the world and discovered that grasslands harbor the most plant species in areas less than 540 square…

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Expanding Urban Floodplains – The Story of Cameron Run

Impervious surfaces.  These are two words that most folks in their lifetime will never utter together, unless, of course, you happen to live in an urban flood plain.  A little over 160 homeowners who live adjacent to Cameron Run in Fairfax, Virginia have become quite familiar with the concepts of…

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