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The Sustainable Sites Initiative is an interdisciplinary effort
by the American Society of Landscape Architects, the Lady Bird Johnson Wildflower Center and the United States Botanic Garden
to create voluntary national guidelines and performance benchmarks for sustainable land design, construction
and maintenance practices.

The nation’s first rating system for sustainable landscapes is available for download. Click here to learn more.

Sustainable Facts

Globally, the above and belowground storage of carbon in temperate grasslands is estimated at 335 billion tons, 97% of which is contained in the soil. This represents the amount of carbon released by 240 billion cars in one year.
  ~ Amthor et al., 1998; U.S. Climate Technology Cooperation, 2007

SUSTAINABLE SITES CASE STUDY:
Malolepsy/Battershell residence garden
The Malolepsy/Battershell project is a small, renovated urban residential landscape in Portland, Oregon. The project objectives included reducing water use for irrigation, managing stormwater runoff, decreasing heat build-up from a concrete...
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