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Visitors to the annual San Francisco Flower and Garden Show are on the hunt for the Next Big Thing. In April, they saw some striking stonework underfoot, the work of Mark Shepherd and his high-pressure, water-jet cutting system.
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Shepherd, a landscape contractor, developed his innovative approach after years of installing hardscape the traditional way on residential and commercial jobs. He calls his business Current Cutting Technology.
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The technology Shepherd is using is more commonly used for cutting steel in automobile and airplane manufacturing.
The puzzle pieces cut by Shepherd also got the attention of San Francisco resident JoLynne Lockley. She bought the garden floor right off the floor of the show to install in her landscape at home.
Source: San Jose (Calif.) Mercury News
Italcementi, which spent 10 years developing its TX Active, said the building material is capable of reducing urban pollution by more than 40 percent, the Italian news agency ANSA reported in April.
Tests on a road near Milan showed TX Active cut the level of nitrogen dioxide and carbon monoxide by as much as 65 percent. It functions via a chemical process called photocatalysis, whereby sunlight triggers a chemical reaction when titanium dioxide on the surface of the cement comes into contact with pollutants in the air. TX Active works most effectively in bright sunlight.
Italcementi said test results have been verified by independent bodies like the National Research Council.
TX Active cement has already been used on a number of buildings, including Air France’s new headquarters at Paris’ Charles de Gaulle Airport, Rome’s Drives in Misericordia church and Bordeaux’s Hotel de Police.
Source: United Press International.
U.S. cement companies are currently engaged in an aggressive $3.6 billion expansion that will increase clinker capacity by 16.2 million metric tons by the year 2010. According to a report issued by the economic research department of Portland Cement Association this represents a 17.3 percent increase in capacity compared to 2005 levels. Based on announced and permitted plans, the growth includes a mix of greenfield sites?EUR??,,????'?????< newsroom@cement.org
Francisco Uviña, University of New Mexico
Hardscape Oasis in Litchfield Park
Ash Nochian, Ph.D. Landscape Architect
November 12th, 2025
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