In the 1970’s sitcom, “Green Acres,” Eva Gabor was known for saying how much she adored a penthouse view.  But imagine how much more she would have liked it could she have gazed on something prettier than just asphalt and tar?  Well now, according to Robert Ryan of the Georgia Public Policy Institute, so-called “green roofs” are catching on, which use a palette of plant materials to help the environment and create pleasing urban landscapes.  These roofs, such as one at the Turner Entertainment complex in Atlanta, not only intercept and filter stormwater runoff, but also lower temperatures and thus reduce ground-level ozone pollution.  Higher costs still limit the use of green roofs, but they certainly offer a nice alternative to those tired of seeing gray urban skylines.

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